diff options
Diffstat (limited to 'arch/sparc')
574 files changed, 2316 insertions, 96 deletions
diff --git a/arch/sparc/Kbuild b/arch/sparc/Kbuild index 675afa285ddb..b4d0f570cc00 100644 --- a/arch/sparc/Kbuild +++ b/arch/sparc/Kbuild @@ -7,3 +7,4 @@ obj-y += mm/ obj-y += math-emu/ obj-y += net/ obj-y += crypto/ +obj-$(CONFIG_SPARC64) += vdso/ diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 0be3828752e5..6bf594ace663 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -44,7 +44,6 @@ config SPARC select ARCH_HAS_SG_CHAIN select CPU_NO_EFFICIENT_FFS select LOCKDEP_SMALL if LOCKDEP - select ARCH_WANT_RELAX_ORDER config SPARC32 def_bool !64BIT @@ -85,6 +84,8 @@ config SPARC64 select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select GENERIC_TIME_VSYSCALL + select ARCH_CLOCKSOURCE_DATA config ARCH_DEFCONFIG string @@ -97,9 +98,6 @@ config ARCH_PROC_KCORE_TEXT config CPU_BIG_ENDIAN def_bool y -config CPU_BIG_ENDIAN - def_bool y - config ARCH_ATU bool default y if SPARC64 diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index 6db35fba79fd..4aef29a11925 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Kernel hacking" config TRACE_IRQFLAGS_SUPPORT diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index 8496a074bd0e..edac927e4952 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # sparc/Makefile # @@ -80,6 +81,10 @@ install: archclean: $(Q)$(MAKE) $(clean)=$(boot) +PHONY += vdso_install +vdso_install: + $(Q)$(MAKE) $(build)=arch/sparc/vdso $@ + # This is the image used for packaging KBUILD_IMAGE := $(boot)/zImage diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile index 6a4ceae5ec67..ec8cd703b708 100644 --- a/arch/sparc/boot/Makefile +++ b/arch/sparc/boot/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Sparc boot stuff. # # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile index 5d469d81761f..818d3aa5172e 100644 --- a/arch/sparc/crypto/Makefile +++ b/arch/sparc/crypto/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Arch-specific CryptoAPI modules. # diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S index 1cda8aa7cb85..155cefb98520 100644 --- a/arch/sparc/crypto/aes_asm.S +++ b/arch/sparc/crypto/aes_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/crypto/camellia_asm.S b/arch/sparc/crypto/camellia_asm.S index cc39553a4e43..dcdc9193fcd7 100644 --- a/arch/sparc/crypto/camellia_asm.S +++ b/arch/sparc/crypto/camellia_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/crypto/crc32c_asm.S b/arch/sparc/crypto/crc32c_asm.S index 2b1976e765b5..b8659a479242 100644 --- a/arch/sparc/crypto/crc32c_asm.S +++ b/arch/sparc/crypto/crc32c_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> #include <asm/asi.h> diff --git a/arch/sparc/crypto/crop_devid.c b/arch/sparc/crypto/crop_devid.c index 5f5724a0ae22..83fc4536dcd5 100644 --- a/arch/sparc/crypto/crop_devid.c +++ b/arch/sparc/crypto/crop_devid.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/of_device.h> diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S index b5c8fc269b5f..7157468a679d 100644 --- a/arch/sparc/crypto/des_asm.S +++ b/arch/sparc/crypto/des_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/crypto/md5_asm.S b/arch/sparc/crypto/md5_asm.S index 3150404e602e..7a6637455f37 100644 --- a/arch/sparc/crypto/md5_asm.S +++ b/arch/sparc/crypto/md5_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/crypto/opcodes.h b/arch/sparc/crypto/opcodes.h index 19cbaea6976f..417b6a10a337 100644 --- a/arch/sparc/crypto/opcodes.h +++ b/arch/sparc/crypto/opcodes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _OPCODES_H #define _OPCODES_H diff --git a/arch/sparc/crypto/sha1_asm.S b/arch/sparc/crypto/sha1_asm.S index 219d10c5ae0e..7d8bf354f0e7 100644 --- a/arch/sparc/crypto/sha1_asm.S +++ b/arch/sparc/crypto/sha1_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/crypto/sha256_asm.S b/arch/sparc/crypto/sha256_asm.S index b5f3d5826eb4..0b39ec7d7ca2 100644 --- a/arch/sparc/crypto/sha256_asm.S +++ b/arch/sparc/crypto/sha256_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/crypto/sha512_asm.S b/arch/sparc/crypto/sha512_asm.S index 54bfba713c0e..b2f6e6728802 100644 --- a/arch/sparc/crypto/sha512_asm.S +++ b/arch/sparc/crypto/sha512_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/visasm.h> diff --git a/arch/sparc/include/asm/agp.h b/arch/sparc/include/asm/agp.h index 70f52c1661bc..efe0d6a12e5a 100644 --- a/arch/sparc/include/asm/agp.h +++ b/arch/sparc/include/asm/agp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef AGP_H #define AGP_H 1 diff --git a/arch/sparc/include/asm/apb.h b/arch/sparc/include/asm/apb.h index 8f3b57db810f..b1dfb1a99f07 100644 --- a/arch/sparc/include/asm/apb.h +++ b/arch/sparc/include/asm/apb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * apb.h: Advanced PCI Bridge Configuration Registers and Bits * diff --git a/arch/sparc/include/asm/asm-prototypes.h b/arch/sparc/include/asm/asm-prototypes.h index d381e11c5dbb..96e0972e8dbf 100644 --- a/arch/sparc/include/asm/asm-prototypes.h +++ b/arch/sparc/include/asm/asm-prototypes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. */ diff --git a/arch/sparc/include/asm/asm.h b/arch/sparc/include/asm/asm.h index e8e1d94b4cc9..eaed0117a838 100644 --- a/arch/sparc/include/asm/asm.h +++ b/arch/sparc/include/asm/asm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_ASM_H #define _SPARC_ASM_H diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h index a0e28ef02558..49aaf6f3bc55 100644 --- a/arch/sparc/include/asm/asmmacro.h +++ b/arch/sparc/include/asm/asmmacro.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* asmmacro.h: Assembler macros. * * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) diff --git a/arch/sparc/include/asm/atomic.h b/arch/sparc/include/asm/atomic.h index 8ff83d8cc33f..425151cc4808 100644 --- a/arch/sparc/include/asm/atomic.h +++ b/arch/sparc/include/asm/atomic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_ATOMIC_H #define ___ASM_SPARC_ATOMIC_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h index 7643e979e333..d13ce517f4b9 100644 --- a/arch/sparc/include/asm/atomic_32.h +++ b/arch/sparc/include/asm/atomic_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* atomic.h: These still suck, but the I-cache hit rate is higher. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) @@ -31,7 +32,7 @@ void atomic_set(atomic_t *, int); #define atomic_set_release(v, i) atomic_set((v), (i)) -#define atomic_read(v) ACCESS_ONCE((v)->counter) +#define atomic_read(v) READ_ONCE((v)->counter) #define atomic_add(i, v) ((void)atomic_add_return( (int)(i), (v))) #define atomic_sub(i, v) ((void)atomic_add_return(-(int)(i), (v))) diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index 24827a3f733a..abad97edf736 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* atomic.h: Thankfully the V9 is at least reasonable for this * stuff. * diff --git a/arch/sparc/include/asm/auxio.h b/arch/sparc/include/asm/auxio.h index 3e09a07b77e9..a2681052e900 100644 --- a/arch/sparc/include/asm/auxio.h +++ b/arch/sparc/include/asm/auxio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_AUXIO_H #define ___ASM_SPARC_AUXIO_H diff --git a/arch/sparc/include/asm/auxio_32.h b/arch/sparc/include/asm/auxio_32.h index 5d685df427b4..852457c7a265 100644 --- a/arch/sparc/include/asm/auxio_32.h +++ b/arch/sparc/include/asm/auxio_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * auxio.h: Definitions and code for the Auxiliary I/O register. * diff --git a/arch/sparc/include/asm/auxio_64.h b/arch/sparc/include/asm/auxio_64.h index 6079e59a7ad1..ae1ed41987db 100644 --- a/arch/sparc/include/asm/auxio_64.h +++ b/arch/sparc/include/asm/auxio_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * auxio.h: Definitions and code for the Auxiliary I/O registers. * diff --git a/arch/sparc/include/asm/backoff.h b/arch/sparc/include/asm/backoff.h index 4e02086b839c..8625946d8d00 100644 --- a/arch/sparc/include/asm/backoff.h +++ b/arch/sparc/include/asm/backoff.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_BACKOFF_H #define _SPARC64_BACKOFF_H diff --git a/arch/sparc/include/asm/barrier.h b/arch/sparc/include/asm/barrier.h index b25f02a029e0..c10b4164be59 100644 --- a/arch/sparc/include/asm/barrier.h +++ b/arch/sparc/include/asm/barrier.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_BARRIER_H #define ___ASM_SPARC_BARRIER_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h index 8059130a6cee..304f9c3f7c4a 100644 --- a/arch/sparc/include/asm/barrier_32.h +++ b/arch/sparc/include/asm/barrier_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_BARRIER_H #define __SPARC_BARRIER_H diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h index c9f6ee64f41d..9fb148bd3c97 100644 --- a/arch/sparc/include/asm/barrier_64.h +++ b/arch/sparc/include/asm/barrier_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC64_BARRIER_H #define __SPARC64_BARRIER_H diff --git a/arch/sparc/include/asm/bbc.h b/arch/sparc/include/asm/bbc.h index 423a85800aae..00a4f116144d 100644 --- a/arch/sparc/include/asm/bbc.h +++ b/arch/sparc/include/asm/bbc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * bbc.h: Defines for BootBus Controller found on UltraSPARC-III * systems. diff --git a/arch/sparc/include/asm/bitext.h b/arch/sparc/include/asm/bitext.h index 9c988bf3adb6..2c2a2d85e8ec 100644 --- a/arch/sparc/include/asm/bitext.h +++ b/arch/sparc/include/asm/bitext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * bitext.h: Bit string operations on the sparc, specific to architecture. * diff --git a/arch/sparc/include/asm/bitops.h b/arch/sparc/include/asm/bitops.h index b1edd94bd64f..4c431d274926 100644 --- a/arch/sparc/include/asm/bitops.h +++ b/arch/sparc/include/asm/bitops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_BITOPS_H #define ___ASM_SPARC_BITOPS_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h index 600ed1d9c8c8..0ceff3b915a8 100644 --- a/arch/sparc/include/asm/bitops_32.h +++ b/arch/sparc/include/asm/bitops_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * bitops.h: Bit string operations on the Sparc. * diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h index 2d522402a937..ca7ea5913494 100644 --- a/arch/sparc/include/asm/bitops_64.h +++ b/arch/sparc/include/asm/bitops_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * bitops.h: Bit string operations on the V9. * @@ -22,10 +23,11 @@ void set_bit(unsigned long nr, volatile unsigned long *addr); void clear_bit(unsigned long nr, volatile unsigned long *addr); void change_bit(unsigned long nr, volatile unsigned long *addr); +int fls(unsigned int word); +int __fls(unsigned long word); + #include <asm-generic/bitops/non-atomic.h> -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ diff --git a/arch/sparc/include/asm/btext.h b/arch/sparc/include/asm/btext.h index 75a32b109e15..01cdc4265733 100644 --- a/arch/sparc/include/asm/btext.h +++ b/arch/sparc/include/asm/btext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_BTEXT_H #define _SPARC_BTEXT_H diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h index eaa8f8d38125..6f17528356b2 100644 --- a/arch/sparc/include/asm/bug.h +++ b/arch/sparc/include/asm/bug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_BUG_H #define _SPARC_BUG_H diff --git a/arch/sparc/include/asm/bugs.h b/arch/sparc/include/asm/bugs.h index 61d86bbbe2b2..02fa369b9c21 100644 --- a/arch/sparc/include/asm/bugs.h +++ b/arch/sparc/include/asm/bugs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* include/asm/bugs.h: Sparc probes for various bugs. * * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h index 5bb6991b4857..dcfd58118c11 100644 --- a/arch/sparc/include/asm/cache.h +++ b/arch/sparc/include/asm/cache.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* cache.h: Cache specific code for the Sparc. These include flushing * and direct tag/data line access. * diff --git a/arch/sparc/include/asm/cacheflush.h b/arch/sparc/include/asm/cacheflush.h index f6c4839b8388..881ac76eab93 100644 --- a/arch/sparc/include/asm/cacheflush.h +++ b/arch/sparc/include/asm/cacheflush.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_CACHEFLUSH_H #define ___ASM_SPARC_CACHEFLUSH_H diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h index 12164006181c..fb66094a2c30 100644 --- a/arch/sparc/include/asm/cacheflush_32.h +++ b/arch/sparc/include/asm/cacheflush_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_CACHEFLUSH_H #define _SPARC_CACHEFLUSH_H diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h index 68513c41e10d..e7517434d1fa 100644 --- a/arch/sparc/include/asm/cacheflush_64.h +++ b/arch/sparc/include/asm/cacheflush_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_CACHEFLUSH_H #define _SPARC64_CACHEFLUSH_H diff --git a/arch/sparc/include/asm/cachetlb_32.h b/arch/sparc/include/asm/cachetlb_32.h index efb19889a083..534da70c6357 100644 --- a/arch/sparc/include/asm/cachetlb_32.h +++ b/arch/sparc/include/asm/cachetlb_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_CACHETLB_H #define _SPARC_CACHETLB_H diff --git a/arch/sparc/include/asm/chafsr.h b/arch/sparc/include/asm/chafsr.h index 85c69b38220b..01540eca1671 100644 --- a/arch/sparc/include/asm/chafsr.h +++ b/arch/sparc/include/asm/chafsr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_CHAFSR_H #define _SPARC64_CHAFSR_H diff --git a/arch/sparc/include/asm/checksum.h b/arch/sparc/include/asm/checksum.h index 7ac0d7497bc5..c3be56e2e768 100644 --- a/arch/sparc/include/asm/checksum.h +++ b/arch/sparc/include/asm/checksum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_CHECKSUM_H #define ___ASM_SPARC_CHECKSUM_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h index e25af5fc99fd..d1e53d7aed39 100644 --- a/arch/sparc/include/asm/checksum_32.h +++ b/arch/sparc/include/asm/checksum_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_CHECKSUM_H #define __SPARC_CHECKSUM_H diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h index 96a5ed58cea6..e52450930e4e 100644 --- a/arch/sparc/include/asm/checksum_64.h +++ b/arch/sparc/include/asm/checksum_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC64_CHECKSUM_H #define __SPARC64_CHECKSUM_H diff --git a/arch/sparc/include/asm/chmctrl.h b/arch/sparc/include/asm/chmctrl.h index 859b4a4b0d30..96f043cb2c3e 100644 --- a/arch/sparc/include/asm/chmctrl.h +++ b/arch/sparc/include/asm/chmctrl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_CHMCTRL_H #define _SPARC64_CHMCTRL_H diff --git a/arch/sparc/include/asm/clocksource.h b/arch/sparc/include/asm/clocksource.h new file mode 100644 index 000000000000..d63ef224befe --- /dev/null +++ b/arch/sparc/include/asm/clocksource.h @@ -0,0 +1,17 @@ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _ASM_SPARC_CLOCKSOURCE_H +#define _ASM_SPARC_CLOCKSOURCE_H + +/* VDSO clocksources */ +#define VCLOCK_NONE 0 /* Nothing userspace can do. */ +#define VCLOCK_TICK 1 /* Use %tick. */ +#define VCLOCK_STICK 2 /* Use %stick. */ + +struct arch_clocksource_data { + int vclock_mode; +}; + +#endif /* _ASM_SPARC_CLOCKSOURCE_H */ diff --git a/arch/sparc/include/asm/cmpxchg.h b/arch/sparc/include/asm/cmpxchg.h index 9355893efa52..b7955c6b91fc 100644 --- a/arch/sparc/include/asm/cmpxchg.h +++ b/arch/sparc/include/asm/cmpxchg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_CMPXCHG_H #define ___ASM_SPARC_CMPXCHG_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h index 83ffb83c5397..c73b5a3ab7b9 100644 --- a/arch/sparc/include/asm/cmpxchg_32.h +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* 32-bit atomic xchg() and cmpxchg() definitions. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) @@ -62,6 +63,9 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) (unsigned long)_n_, sizeof(*(ptr))); \ }) +u64 __cmpxchg_u64(u64 *ptr, u64 old, u64 new); +#define cmpxchg64(ptr, old, new) __cmpxchg_u64(ptr, old, new) + #include <asm-generic/cmpxchg-local.h> /* diff --git a/arch/sparc/include/asm/cmpxchg_64.h b/arch/sparc/include/asm/cmpxchg_64.h index 4028f4f1e561..f71ef3729888 100644 --- a/arch/sparc/include/asm/cmpxchg_64.h +++ b/arch/sparc/include/asm/cmpxchg_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* 64-bit atomic xchg() and cmpxchg() definitions. * * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index 6f251c4d613e..fa38c78de0f0 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC64_COMPAT_H #define _ASM_SPARC64_COMPAT_H /* @@ -208,7 +209,6 @@ typedef struct compat_siginfo { } compat_siginfo_t; #define COMPAT_OFF_T_MAX 0x7fffffff -#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL /* * A pointer passed in from user mode. This should not diff --git a/arch/sparc/include/asm/compat_signal.h b/arch/sparc/include/asm/compat_signal.h index 4b027b1044fa..e5f7a7f281d2 100644 --- a/arch/sparc/include/asm/compat_signal.h +++ b/arch/sparc/include/asm/compat_signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _COMPAT_SIGNAL_H #define _COMPAT_SIGNAL_H diff --git a/arch/sparc/include/asm/contregs.h b/arch/sparc/include/asm/contregs.h index b8abdfcf5555..4df56a6ba7d9 100644 --- a/arch/sparc/include/asm/contregs.h +++ b/arch/sparc/include/asm/contregs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_CONTREGS_H #define _SPARC_CONTREGS_H diff --git a/arch/sparc/include/asm/cpu_type.h b/arch/sparc/include/asm/cpu_type.h index 84d7d83b8084..2b59799859d1 100644 --- a/arch/sparc/include/asm/cpu_type.h +++ b/arch/sparc/include/asm/cpu_type.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_CPU_TYPE_H #define __ASM_CPU_TYPE_H diff --git a/arch/sparc/include/asm/cpudata.h b/arch/sparc/include/asm/cpudata.h index 128b56b08676..d213165ee713 100644 --- a/arch/sparc/include/asm/cpudata.h +++ b/arch/sparc/include/asm/cpudata.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_CPUDATA_H #define ___ASM_SPARC_CPUDATA_H diff --git a/arch/sparc/include/asm/cpudata_32.h b/arch/sparc/include/asm/cpudata_32.h index 05f366379f53..895d0964b802 100644 --- a/arch/sparc/include/asm/cpudata_32.h +++ b/arch/sparc/include/asm/cpudata_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* cpudata.h: Per-cpu parameters. * * Copyright (C) 2004 Keith M Wesolowski (wesolows@foobazco.org) diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h index 5b0ed48e5b0c..666d6b5c0440 100644 --- a/arch/sparc/include/asm/cpudata_64.h +++ b/arch/sparc/include/asm/cpudata_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* cpudata.h: Per-cpu parameters. * * Copyright (C) 2003, 2005, 2006 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/current.h b/arch/sparc/include/asm/current.h index 10a0df55a574..c68312a89d14 100644 --- a/arch/sparc/include/asm/current.h +++ b/arch/sparc/include/asm/current.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* include/asm/current.h * * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation diff --git a/arch/sparc/include/asm/dcr.h b/arch/sparc/include/asm/dcr.h index 620c9ba642e9..c810e1b4285c 100644 --- a/arch/sparc/include/asm/dcr.h +++ b/arch/sparc/include/asm/dcr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_DCR_H #define _SPARC64_DCR_H diff --git a/arch/sparc/include/asm/dcu.h b/arch/sparc/include/asm/dcu.h index 0f704e106a1b..93f32507125e 100644 --- a/arch/sparc/include/asm/dcu.h +++ b/arch/sparc/include/asm/dcu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_DCU_H #define _SPARC64_DCU_H diff --git a/arch/sparc/include/asm/delay.h b/arch/sparc/include/asm/delay.h index 467caa2a97a0..c96af9b91661 100644 --- a/arch/sparc/include/asm/delay.h +++ b/arch/sparc/include/asm/delay.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_DELAY_H #define ___ASM_SPARC_DELAY_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/delay_32.h b/arch/sparc/include/asm/delay_32.h index 3fb8ca144b4f..0e6dfe857d67 100644 --- a/arch/sparc/include/asm/delay_32.h +++ b/arch/sparc/include/asm/delay_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * delay.h: Linux delay routines on the Sparc. * diff --git a/arch/sparc/include/asm/delay_64.h b/arch/sparc/include/asm/delay_64.h index 0ba5424856d8..22213b1c119d 100644 --- a/arch/sparc/include/asm/delay_64.h +++ b/arch/sparc/include/asm/delay_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* delay.h: Linux delay routines on sparc64. * * Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net). diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 60bf1633d554..12ae33daf52f 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_DMA_MAPPING_H #define ___ASM_SPARC_DMA_MAPPING_H @@ -5,14 +6,6 @@ #include <linux/mm.h> #include <linux/dma-debug.h> -static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction dir) -{ - /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this - * routine can be a nop. - */ -} - extern const struct dma_map_ops *dma_ops; extern const struct dma_map_ops pci32_dma_ops; diff --git a/arch/sparc/include/asm/dma.h b/arch/sparc/include/asm/dma.h index 3d434ef5eae3..a1d7c86917c6 100644 --- a/arch/sparc/include/asm/dma.h +++ b/arch/sparc/include/asm/dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_DMA_H #define _ASM_SPARC_DMA_H diff --git a/arch/sparc/include/asm/ebus_dma.h b/arch/sparc/include/asm/ebus_dma.h index fcfb4948147f..75563ed090f5 100644 --- a/arch/sparc/include/asm/ebus_dma.h +++ b/arch/sparc/include/asm/ebus_dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SPARC_EBUS_DMA_H #define __ASM_SPARC_EBUS_DMA_H diff --git a/arch/sparc/include/asm/ecc.h b/arch/sparc/include/asm/ecc.h index ccb84b66fef1..3d5edee36b4c 100644 --- a/arch/sparc/include/asm/ecc.h +++ b/arch/sparc/include/asm/ecc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ecc.h: Definitions and defines for the external cache/memory * controller on the sun4m. diff --git a/arch/sparc/include/asm/elf.h b/arch/sparc/include/asm/elf.h index 0a2816c50b07..bbfb4b002ff3 100644 --- a/arch/sparc/include/asm/elf.h +++ b/arch/sparc/include/asm/elf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_ELF_H #define ___ASM_SPARC_ELF_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h index a24e41fcdde1..37a6016c9ccd 100644 --- a/arch/sparc/include/asm/elf_32.h +++ b/arch/sparc/include/asm/elf_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASMSPARC_ELF_H #define __ASMSPARC_ELF_H diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h index 3f2d403873bd..25340df3570c 100644 --- a/arch/sparc/include/asm/elf_64.h +++ b/arch/sparc/include/asm/elf_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SPARC64_ELF_H #define __ASM_SPARC64_ELF_H @@ -210,4 +211,18 @@ do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ (current->personality & (~PER_MASK))); \ } while (0) +extern unsigned int vdso_enabled; + +#define ARCH_DLINFO \ +do { \ + if (vdso_enabled) \ + NEW_AUX_ENT(AT_SYSINFO_EHDR, \ + (unsigned long)current->mm->context.vdso); \ +} while (0) + +struct linux_binprm; + +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 +extern int arch_setup_additional_pages(struct linux_binprm *bprm, + int uses_interp); #endif /* !(__ASM_SPARC64_ELF_H) */ diff --git a/arch/sparc/include/asm/estate.h b/arch/sparc/include/asm/estate.h index 520c08560d1b..e5e0f84accea 100644 --- a/arch/sparc/include/asm/estate.h +++ b/arch/sparc/include/asm/estate.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_ESTATE_H #define _SPARC64_ESTATE_H diff --git a/arch/sparc/include/asm/extable_64.h b/arch/sparc/include/asm/extable_64.h index 1121cb056ffb..5a0171907b7e 100644 --- a/arch/sparc/include/asm/extable_64.h +++ b/arch/sparc/include/asm/extable_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_EXTABLE64_H #define __ASM_EXTABLE64_H /* diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h index 2173432ad7f7..f699962e9ddf 100644 --- a/arch/sparc/include/asm/fb.h +++ b/arch/sparc/include/asm/fb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_FB_H_ #define _SPARC_FB_H_ #include <linux/console.h> diff --git a/arch/sparc/include/asm/fbio.h b/arch/sparc/include/asm/fbio.h index 1d9afe277e9c..02654cb95dec 100644 --- a/arch/sparc/include/asm/fbio.h +++ b/arch/sparc/include/asm/fbio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_FBIO_H #define __LINUX_FBIO_H diff --git a/arch/sparc/include/asm/fhc.h b/arch/sparc/include/asm/fhc.h index 57f1b303ad54..0627fa126540 100644 --- a/arch/sparc/include/asm/fhc.h +++ b/arch/sparc/include/asm/fhc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* fhc.h: FHC and Clock board register definitions. * * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/include/asm/floppy.h b/arch/sparc/include/asm/floppy.h index faebd335b600..4b315802e635 100644 --- a/arch/sparc/include/asm/floppy.h +++ b/arch/sparc/include/asm/floppy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_FLOPPY_H #define ___ASM_SPARC_FLOPPY_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h index 071b83e52f15..b519acf4383d 100644 --- a/arch/sparc/include/asm/floppy_32.h +++ b/arch/sparc/include/asm/floppy_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* asm/floppy.h: Sparc specific parts of the Floppy driver. * * Copyright (C) 1995 David S. Miller (davem@davemloft.net) @@ -70,7 +71,6 @@ static struct sun_floppy_ops sun_fdops; #define fd_set_dma_count(count) sun_fd_set_dma_count(count) #define fd_enable_irq() /* nothing... */ #define fd_disable_irq() /* nothing... */ -#define fd_cacheflush(addr, size) /* nothing... */ #define fd_request_irq() sun_fd_request_irq() #define fd_free_irq() /* nothing... */ #if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */ diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 625756406a7e..2a050eab69a0 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* floppy.h: Sparc specific parts of the Floppy driver. * * Copyright (C) 1996, 2007, 2008 David S. Miller (davem@davemloft.net) @@ -72,7 +73,6 @@ static struct sun_floppy_ops sun_fdops; #define fd_set_dma_addr(addr) sun_fdops.fd_set_dma_addr(addr) #define fd_set_dma_count(count) sun_fdops.fd_set_dma_count(count) #define get_dma_residue(x) sun_fdops.get_dma_residue() -#define fd_cacheflush(addr, size) /* nothing... */ #define fd_request_irq() sun_fdops.fd_request_irq() #define fd_free_irq() sun_fdops.fd_free_irq() #define fd_eject(drive) sun_fdops.fd_eject(drive) diff --git a/arch/sparc/include/asm/fpumacro.h b/arch/sparc/include/asm/fpumacro.h index cc463fec806f..bc378df97fa8 100644 --- a/arch/sparc/include/asm/fpumacro.h +++ b/arch/sparc/include/asm/fpumacro.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* fpumacro.h: FPU related macros. * * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/include/asm/ftrace.h b/arch/sparc/include/asm/ftrace.h index 62755a339a59..d3aa1a524431 100644 --- a/arch/sparc/include/asm/ftrace.h +++ b/arch/sparc/include/asm/ftrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC64_FTRACE #define _ASM_SPARC64_FTRACE diff --git a/arch/sparc/include/asm/futex.h b/arch/sparc/include/asm/futex.h index 736335f36713..75a13a20cc64 100644 --- a/arch/sparc/include/asm/futex.h +++ b/arch/sparc/include/asm/futex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_FUTEX_H #define ___ASM_SPARC_FUTEX_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h index 1cfd89d92208..0865ce77ec00 100644 --- a/arch/sparc/include/asm/futex_64.h +++ b/arch/sparc/include/asm/futex_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_FUTEX_H #define _SPARC64_FUTEX_H diff --git a/arch/sparc/include/asm/hardirq.h b/arch/sparc/include/asm/hardirq.h index 44d4e2345148..a185f6647348 100644 --- a/arch/sparc/include/asm/hardirq.h +++ b/arch/sparc/include/asm/hardirq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_HARDIRQ_H #define ___ASM_SPARC_HARDIRQ_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/hardirq_32.h b/arch/sparc/include/asm/hardirq_32.h index ee93923b7f82..9830d8731a09 100644 --- a/arch/sparc/include/asm/hardirq_32.h +++ b/arch/sparc/include/asm/hardirq_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* hardirq.h: 32-bit Sparc hard IRQ support. * * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/include/asm/hardirq_64.h b/arch/sparc/include/asm/hardirq_64.h index f478ff1ddd02..f56540271993 100644 --- a/arch/sparc/include/asm/hardirq_64.h +++ b/arch/sparc/include/asm/hardirq_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* hardirq.h: 64-bit Sparc hard IRQ support. * * Copyright (C) 1997, 1998, 2005 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/head.h b/arch/sparc/include/asm/head.h index be8f03f3e731..25299b701df5 100644 --- a/arch/sparc/include/asm/head.h +++ b/arch/sparc/include/asm/head.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_HEAD_H #define ___ASM_SPARC_HEAD_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h index 6fc60fd182c4..d2809c859d0c 100644 --- a/arch/sparc/include/asm/head_32.h +++ b/arch/sparc/include/asm/head_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_HEAD_H #define __SPARC_HEAD_H diff --git a/arch/sparc/include/asm/head_64.h b/arch/sparc/include/asm/head_64.h index f0700cfeedd7..69a2062d992c 100644 --- a/arch/sparc/include/asm/head_64.h +++ b/arch/sparc/include/asm/head_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_HEAD_H #define _SPARC64_HEAD_H diff --git a/arch/sparc/include/asm/hibernate.h b/arch/sparc/include/asm/hibernate.h index 2ec34f842249..3bb0a96ec4ef 100644 --- a/arch/sparc/include/asm/hibernate.h +++ b/arch/sparc/include/asm/hibernate.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * hibernate.h: Hibernaton support specific for sparc64. * diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h index 92ded294a4ec..18d776925c45 100644 --- a/arch/sparc/include/asm/highmem.h +++ b/arch/sparc/include/asm/highmem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * highmem.h: virtual kernel memory mappings for high memory * diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 0ca7caab1b06..300557c66698 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC64_HUGETLB_H #define _ASM_SPARC64_HUGETLB_H diff --git a/arch/sparc/include/asm/hvtramp.h b/arch/sparc/include/asm/hvtramp.h index 04b56f862bbe..688ea43af0f5 100644 --- a/arch/sparc/include/asm/hvtramp.h +++ b/arch/sparc/include/asm/hvtramp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_HVTRAP_H #define _SPARC64_HVTRAP_H diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h index 3dc9215d0357..89a0c57aed59 100644 --- a/arch/sparc/include/asm/hypervisor.h +++ b/arch/sparc/include/asm/hypervisor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_HYPERVISOR_H #define _SPARC64_HYPERVISOR_H diff --git a/arch/sparc/include/asm/ide.h b/arch/sparc/include/asm/ide.h index b7af3d658239..09f026585550 100644 --- a/arch/sparc/include/asm/ide.h +++ b/arch/sparc/include/asm/ide.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ide.h: SPARC PCI specific IDE glue. * * Copyright (C) 1997 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/idprom.h b/arch/sparc/include/asm/idprom.h index 3793f7f91c42..4c372199cd70 100644 --- a/arch/sparc/include/asm/idprom.h +++ b/arch/sparc/include/asm/idprom.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * idprom.h: Macros and defines for idprom routines * diff --git a/arch/sparc/include/asm/intr_queue.h b/arch/sparc/include/asm/intr_queue.h index 206077dedc2a..d61be2a3aac1 100644 --- a/arch/sparc/include/asm/intr_queue.h +++ b/arch/sparc/include/asm/intr_queue.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_INTR_QUEUE_H #define _SPARC64_INTR_QUEUE_H diff --git a/arch/sparc/include/asm/io-unit.h b/arch/sparc/include/asm/io-unit.h index 04a9701e7202..3ce96e8c088f 100644 --- a/arch/sparc/include/asm/io-unit.h +++ b/arch/sparc/include/asm/io-unit.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* io-unit.h: Definitions for the sun4d IO-UNIT. * * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h index f6902cf3cbe9..2eefa526b38f 100644 --- a/arch/sparc/include/asm/io.h +++ b/arch/sparc/include/asm/io.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_IO_H #define ___ASM_SPARC_IO_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h index 4dd268a3a8b0..cd51a89b393c 100644 --- a/arch/sparc/include/asm/io_32.h +++ b/arch/sparc/include/asm/io_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_IO_H #define __SPARC_IO_H diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h index c32fa3f752c8..9a1e9cbc7e6d 100644 --- a/arch/sparc/include/asm/io_64.h +++ b/arch/sparc/include/asm/io_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC64_IO_H #define __SPARC64_IO_H diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h index 77413b7e3a18..c92ac780c39f 100644 --- a/arch/sparc/include/asm/ioctls.h +++ b/arch/sparc/include/asm/ioctls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_IOCTLS_H #define _ASM_SPARC_IOCTLS_H diff --git a/arch/sparc/include/asm/iommu.h b/arch/sparc/include/asm/iommu.h index e650965b4a8d..37935cb34865 100644 --- a/arch/sparc/include/asm/iommu.h +++ b/arch/sparc/include/asm/iommu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_IOMMU_H #define ___ASM_SPARC_IOMMU_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/iommu_32.h b/arch/sparc/include/asm/iommu_32.h index f6c066b52fd6..af51cd5ea3c1 100644 --- a/arch/sparc/include/asm/iommu_32.h +++ b/arch/sparc/include/asm/iommu_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* iommu.h: Definitions for the sun4m IOMMU. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h index f24f356f2503..9ed6b54caa4b 100644 --- a/arch/sparc/include/asm/iommu_64.h +++ b/arch/sparc/include/asm/iommu_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* iommu.h: Definitions for the sun5 IOMMU. * * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h index 3b44a6a14074..a2efc274dbb0 100644 --- a/arch/sparc/include/asm/irq.h +++ b/arch/sparc/include/asm/irq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_IRQ_H #define ___ASM_SPARC_IRQ_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h index eecd3d8442c9..43ec2609b811 100644 --- a/arch/sparc/include/asm/irq_32.h +++ b/arch/sparc/include/asm/irq_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* irq.h: IRQ registers on the Sparc. * * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h index 1d51a11fb261..4d748e93b974 100644 --- a/arch/sparc/include/asm/irq_64.h +++ b/arch/sparc/include/asm/irq_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* irq.h: IRQ registers on the 64-bit Sparc. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/irqflags.h b/arch/sparc/include/asm/irqflags.h index 1e138632bd3f..d1bdf6c398d1 100644 --- a/arch/sparc/include/asm/irqflags.h +++ b/arch/sparc/include/asm/irqflags.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_IRQFLAGS_H #define ___ASM_SPARC_IRQFLAGS_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h index 71cc284f55c5..7ca3eaf3dace 100644 --- a/arch/sparc/include/asm/irqflags_32.h +++ b/arch/sparc/include/asm/irqflags_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm/irqflags.h * diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h index 23cd27f6beb4..c29ed571ae49 100644 --- a/arch/sparc/include/asm/irqflags_64.h +++ b/arch/sparc/include/asm/irqflags_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm/irqflags.h * diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h index 62d0354d1727..94eb529dcb77 100644 --- a/arch/sparc/include/asm/jump_label.h +++ b/arch/sparc/include/asm/jump_label.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_JUMP_LABEL_H #define _ASM_SPARC_JUMP_LABEL_H diff --git a/arch/sparc/include/asm/kdebug.h b/arch/sparc/include/asm/kdebug.h index 8d12581ca386..830053f91da1 100644 --- a/arch/sparc/include/asm/kdebug.h +++ b/arch/sparc/include/asm/kdebug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_KDEBUG_H #define ___ASM_SPARC_KDEBUG_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/kdebug_32.h b/arch/sparc/include/asm/kdebug_32.h index 1d0b240222ef..763d423823bd 100644 --- a/arch/sparc/include/asm/kdebug_32.h +++ b/arch/sparc/include/asm/kdebug_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * kdebug.h: Defines and definitions for debugging the Linux kernel * under various kernel debuggers. diff --git a/arch/sparc/include/asm/kdebug_64.h b/arch/sparc/include/asm/kdebug_64.h index 867286bf7b1a..89428bd4f94b 100644 --- a/arch/sparc/include/asm/kdebug_64.h +++ b/arch/sparc/include/asm/kdebug_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_KDEBUG_H #define _SPARC64_KDEBUG_H diff --git a/arch/sparc/include/asm/kgdb.h b/arch/sparc/include/asm/kgdb.h index a6ad7bf84bac..deabe0279cd9 100644 --- a/arch/sparc/include/asm/kgdb.h +++ b/arch/sparc/include/asm/kgdb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_KGDB_H #define _SPARC_KGDB_H diff --git a/arch/sparc/include/asm/kmap_types.h b/arch/sparc/include/asm/kmap_types.h index aad21745fbb9..55a99b6bd91e 100644 --- a/arch/sparc/include/asm/kmap_types.h +++ b/arch/sparc/include/asm/kmap_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_KMAP_TYPES_H #define _ASM_KMAP_TYPES_H diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h index 49f8402035d7..3704490b4488 100644 --- a/arch/sparc/include/asm/kprobes.h +++ b/arch/sparc/include/asm/kprobes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_KPROBES_H #define _SPARC64_KPROBES_H diff --git a/arch/sparc/include/asm/ldc.h b/arch/sparc/include/asm/ldc.h index 698738a10414..ca973955ca86 100644 --- a/arch/sparc/include/asm/ldc.h +++ b/arch/sparc/include/asm/ldc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_LDC_H #define _SPARC64_LDC_H diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h index 204771cd74a5..c68bb5b76e3d 100644 --- a/arch/sparc/include/asm/leon.h +++ b/arch/sparc/include/asm/leon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com) Gaisler Research * Copyright (C) 2004 Stefan Holst (mail@s-holst.de) Uni-Stuttgart diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h index 24ec48c3ff90..6433a93f5126 100644 --- a/arch/sparc/include/asm/leon_amba.h +++ b/arch/sparc/include/asm/leon_amba.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* *Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com), Gaisler Research *Copyright (C) 2004 Stefan Holst (mail@s-holst.de), Uni-Stuttgart diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h index 049d067ed8be..484a56e81dcc 100644 --- a/arch/sparc/include/asm/leon_pci.h +++ b/arch/sparc/include/asm/leon_pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * asm/leon_pci.h * diff --git a/arch/sparc/include/asm/lsu.h b/arch/sparc/include/asm/lsu.h index 7190f8de90a0..154ae76c0244 100644 --- a/arch/sparc/include/asm/lsu.h +++ b/arch/sparc/include/asm/lsu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_LSU_H #define _SPARC64_LSU_H diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h index fd6ddb05d1b7..9f78f70c6f11 100644 --- a/arch/sparc/include/asm/machines.h +++ b/arch/sparc/include/asm/machines.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * machines.h: Defines for taking apart the machine type value in the * idprom and determining the kind of machine we are on. diff --git a/arch/sparc/include/asm/mbus.h b/arch/sparc/include/asm/mbus.h index 14128bcc5821..8b6dbe701b9b 100644 --- a/arch/sparc/include/asm/mbus.h +++ b/arch/sparc/include/asm/mbus.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * mbus.h: Various defines for MBUS modules. * diff --git a/arch/sparc/include/asm/mc146818rtc.h b/arch/sparc/include/asm/mc146818rtc.h index d8e72f37dc4b..07faf754eb71 100644 --- a/arch/sparc/include/asm/mc146818rtc.h +++ b/arch/sparc/include/asm/mc146818rtc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_MC146818RTC_H #define ___ASM_SPARC_MC146818RTC_H diff --git a/arch/sparc/include/asm/mc146818rtc_32.h b/arch/sparc/include/asm/mc146818rtc_32.h index fa7eac926582..d8fd75da8d49 100644 --- a/arch/sparc/include/asm/mc146818rtc_32.h +++ b/arch/sparc/include/asm/mc146818rtc_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Machine dependent access functions for RTC registers. */ diff --git a/arch/sparc/include/asm/mc146818rtc_64.h b/arch/sparc/include/asm/mc146818rtc_64.h index 7238d174e0e3..b1708a7e5735 100644 --- a/arch/sparc/include/asm/mc146818rtc_64.h +++ b/arch/sparc/include/asm/mc146818rtc_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Machine dependent access functions for RTC registers. */ diff --git a/arch/sparc/include/asm/mdesc.h b/arch/sparc/include/asm/mdesc.h index e8a4c413a1c7..ec31a06d04cc 100644 --- a/arch/sparc/include/asm/mdesc.h +++ b/arch/sparc/include/asm/mdesc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_MDESC_H #define _SPARC64_MDESC_H diff --git a/arch/sparc/include/asm/memctrl.h b/arch/sparc/include/asm/memctrl.h index 4065c56af7b6..6790ed608cbc 100644 --- a/arch/sparc/include/asm/memctrl.h +++ b/arch/sparc/include/asm/memctrl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_MEMCTRL_H #define _SPARC_MEMCTRL_H diff --git a/arch/sparc/include/asm/mman.h b/arch/sparc/include/asm/mman.h index 59bb5938d852..7e9472143f9b 100644 --- a/arch/sparc/include/asm/mman.h +++ b/arch/sparc/include/asm/mman.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_MMAN_H__ #define __SPARC_MMAN_H__ diff --git a/arch/sparc/include/asm/mmu.h b/arch/sparc/include/asm/mmu.h index 88fa313887db..286457e589a6 100644 --- a/arch/sparc/include/asm/mmu.h +++ b/arch/sparc/include/asm/mmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_MMU_H #define ___ASM_SPARC_MMU_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/mmu_32.h b/arch/sparc/include/asm/mmu_32.h index 6f056e535cf8..d5b220ca7f40 100644 --- a/arch/sparc/include/asm/mmu_32.h +++ b/arch/sparc/include/asm/mmu_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MMU_H #define __MMU_H diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index 83b36a5371ff..ad4fb93508ba 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MMU_H #define __MMU_H @@ -96,6 +97,7 @@ typedef struct { unsigned long thp_pte_count; struct tsb_config tsb_block[MM_NUM_TSBS]; struct hv_tsb_descr tsb_descr[MM_NUM_TSBS]; + void *vdso; } mm_context_t; #endif /* !__ASSEMBLY__ */ diff --git a/arch/sparc/include/asm/mmu_context.h b/arch/sparc/include/asm/mmu_context.h index 5531346c64f9..5e1ea38511f4 100644 --- a/arch/sparc/include/asm/mmu_context.h +++ b/arch/sparc/include/asm/mmu_context.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_MMU_CONTEXT_H #define ___ASM_SPARC_MMU_CONTEXT_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h index 2df2a9be8f6d..7ddcb8badf70 100644 --- a/arch/sparc/include/asm/mmu_context_32.h +++ b/arch/sparc/include/asm/mmu_context_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_MMU_CONTEXT_H #define __SPARC_MMU_CONTEXT_H diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 87841d687f8d..b361702ef52a 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC64_MMU_CONTEXT_H #define __SPARC64_MMU_CONTEXT_H @@ -7,9 +8,11 @@ #include <linux/spinlock.h> #include <linux/mm_types.h> +#include <linux/smp.h> #include <asm/spitfire.h> #include <asm-generic/mm_hooks.h> +#include <asm/percpu.h> static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h index 99d9b9f577bf..6543fb97a849 100644 --- a/arch/sparc/include/asm/mmzone.h +++ b/arch/sparc/include/asm/mmzone.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_MMZONE_H #define _SPARC64_MMZONE_H diff --git a/arch/sparc/include/asm/msi.h b/arch/sparc/include/asm/msi.h index 724ca5667052..3c17c1074431 100644 --- a/arch/sparc/include/asm/msi.h +++ b/arch/sparc/include/asm/msi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * msi.h: Defines specific to the MBus - Sbus - Interface. * diff --git a/arch/sparc/include/asm/mxcc.h b/arch/sparc/include/asm/mxcc.h index c0517bd05bde..3a2561bea4dd 100644 --- a/arch/sparc/include/asm/mxcc.h +++ b/arch/sparc/include/asm/mxcc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * mxcc.h: Definitions of the Viking MXCC registers * diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h index 284eac3ffaf2..90ee7863d9fe 100644 --- a/arch/sparc/include/asm/nmi.h +++ b/arch/sparc/include/asm/nmi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NMI_H #define __NMI_H diff --git a/arch/sparc/include/asm/ns87303.h b/arch/sparc/include/asm/ns87303.h index 6b947ee0f6aa..5401894a6065 100644 --- a/arch/sparc/include/asm/ns87303.h +++ b/arch/sparc/include/asm/ns87303.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ns87303.h: Configuration Register Description for the * National Semiconductor PC87303 (SuperIO). * diff --git a/arch/sparc/include/asm/obio.h b/arch/sparc/include/asm/obio.h index 426ad75103fb..1b151f738b00 100644 --- a/arch/sparc/include/asm/obio.h +++ b/arch/sparc/include/asm/obio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * obio.h: Some useful locations in 0xFXXXXXXXX PA obio space on sun4d. * diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h index 63374c4413a8..69545b3e5454 100644 --- a/arch/sparc/include/asm/openprom.h +++ b/arch/sparc/include/asm/openprom.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_OPENPROM_H #define __SPARC_OPENPROM_H diff --git a/arch/sparc/include/asm/oplib.h b/arch/sparc/include/asm/oplib.h index 72e04e13a6b4..df49a7700d73 100644 --- a/arch/sparc/include/asm/oplib.h +++ b/arch/sparc/include/asm/oplib.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_OPLIB_H #define ___ASM_SPARC_OPLIB_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h index 56a09b9d7b1b..d1cf3a27a40d 100644 --- a/arch/sparc/include/asm/oplib_32.h +++ b/arch/sparc/include/asm/oplib_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * oplib.h: Describes the interface and available routines in the * Linux Prom library. diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index 2e3a4add8591..a67abebd4359 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* oplib.h: Describes the interface and available routines in the * Linux Prom library. * diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h index 1be2fdec6268..5e44cdf2a8f2 100644 --- a/arch/sparc/include/asm/page.h +++ b/arch/sparc/include/asm/page.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PAGE_H #define ___ASM_SPARC_PAGE_H diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h index 6249214148c2..b76d59edec8c 100644 --- a/arch/sparc/include/asm/page_32.h +++ b/arch/sparc/include/asm/page_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * page.h: Various defines and such for MMU operations on the Sparc for * the Linux kernel. diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index 8ee1f97589a1..c28379b1b0fc 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_PAGE_H #define _SPARC64_PAGE_H diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index f005ccac91cc..05df5f043053 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* parport.h: sparc64 specific parport initialization and dma. * * Copyright (C) 1999 Eddie C. Dost (ecd@skynet.be) diff --git a/arch/sparc/include/asm/pbm.h b/arch/sparc/include/asm/pbm.h index 458a4916d14d..0c86261721e7 100644 --- a/arch/sparc/include/asm/pbm.h +++ b/arch/sparc/include/asm/pbm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * pbm.h: PCI bus module pseudo driver software state diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h index 6e14fd179335..cad79a6ce0e4 100644 --- a/arch/sparc/include/asm/pci.h +++ b/arch/sparc/include/asm/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PCI_H #define ___ASM_SPARC_PCI_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h index b7c092df3134..98917e48727d 100644 --- a/arch/sparc/include/asm/pci_32.h +++ b/arch/sparc/include/asm/pci_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_PCI_H #define __SPARC_PCI_H @@ -20,8 +21,6 @@ */ #define PCI_DMA_BUS_IS_PHYS (0) -struct pci_dev; - #endif /* __KERNEL__ */ #ifndef CONFIG_LEON_PCI diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h index b957ca5527a3..671274e36cfa 100644 --- a/arch/sparc/include/asm/pci_64.h +++ b/arch/sparc/include/asm/pci_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC64_PCI_H #define __SPARC64_PCI_H diff --git a/arch/sparc/include/asm/pcic.h b/arch/sparc/include/asm/pcic.h index f41706792592..238376b1ffcc 100644 --- a/arch/sparc/include/asm/pcic.h +++ b/arch/sparc/include/asm/pcic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * pcic.h: JavaEngine 1 specific PCI definitions. * diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h index cdf800c3326c..da834ffbe75d 100644 --- a/arch/sparc/include/asm/pcr.h +++ b/arch/sparc/include/asm/pcr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PCR_H #define __PCR_H diff --git a/arch/sparc/include/asm/percpu.h b/arch/sparc/include/asm/percpu.h index bfb1d19ff1bf..0cd704ef5ff9 100644 --- a/arch/sparc/include/asm/percpu.h +++ b/arch/sparc/include/asm/percpu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PERCPU_H #define ___ASM_SPARC_PERCPU_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/percpu_32.h b/arch/sparc/include/asm/percpu_32.h index 06066a7aaec3..ee6c7c1934f6 100644 --- a/arch/sparc/include/asm/percpu_32.h +++ b/arch/sparc/include/asm/percpu_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ARCH_SPARC_PERCPU__ #define __ARCH_SPARC_PERCPU__ diff --git a/arch/sparc/include/asm/percpu_64.h b/arch/sparc/include/asm/percpu_64.h index 007aafb4ae97..32ef6f05cc56 100644 --- a/arch/sparc/include/asm/percpu_64.h +++ b/arch/sparc/include/asm/percpu_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ARCH_SPARC64_PERCPU__ #define __ARCH_SPARC64_PERCPU__ diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h index 4d3dbe3703e9..c2aec0c7f4f5 100644 --- a/arch/sparc/include/asm/perf_event.h +++ b/arch/sparc/include/asm/perf_event.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SPARC_PERF_EVENT_H #define __ASM_SPARC_PERF_EVENT_H diff --git a/arch/sparc/include/asm/pgalloc.h b/arch/sparc/include/asm/pgalloc.h index b6db1f7cdcab..9ea0b37586c9 100644 --- a/arch/sparc/include/asm/pgalloc.h +++ b/arch/sparc/include/asm/pgalloc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PGALLOC_H #define ___ASM_SPARC_PGALLOC_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h index 0346c7e62452..90459481c6c7 100644 --- a/arch/sparc/include/asm/pgalloc_32.h +++ b/arch/sparc/include/asm/pgalloc_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_PGALLOC_H #define _SPARC_PGALLOC_H diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h index 3529f1378cd8..874632f34f62 100644 --- a/arch/sparc/include/asm/pgalloc_64.h +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_PGALLOC_H #define _SPARC64_PGALLOC_H diff --git a/arch/sparc/include/asm/pgtable.h b/arch/sparc/include/asm/pgtable.h index 59ba6f620732..e48891170f84 100644 --- a/arch/sparc/include/asm/pgtable.h +++ b/arch/sparc/include/asm/pgtable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PGTABLE_H #define ___ASM_SPARC_PGTABLE_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index cf190728360b..4eebed6c6781 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_PGTABLE_H #define _SPARC_PGTABLE_H diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 4fefe3762083..5a9e96be1665 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * pgtable.h: SpitFire page table operations. * @@ -230,6 +231,36 @@ extern unsigned long _PAGE_ALL_SZ_BITS; extern struct page *mem_map_zero; #define ZERO_PAGE(vaddr) (mem_map_zero) +/* This macro must be updated when the size of struct page grows above 80 + * or reduces below 64. + * The idea that compiler optimizes out switch() statement, and only + * leaves clrx instructions + */ +#define mm_zero_struct_page(pp) do { \ + unsigned long *_pp = (void *)(pp); \ + \ + /* Check that struct page is either 64, 72, or 80 bytes */ \ + BUILD_BUG_ON(sizeof(struct page) & 7); \ + BUILD_BUG_ON(sizeof(struct page) < 64); \ + BUILD_BUG_ON(sizeof(struct page) > 80); \ + \ + switch (sizeof(struct page)) { \ + case 80: \ + _pp[9] = 0; /* fallthrough */ \ + case 72: \ + _pp[8] = 0; /* fallthrough */ \ + default: \ + _pp[7] = 0; \ + _pp[6] = 0; \ + _pp[5] = 0; \ + _pp[4] = 0; \ + _pp[3] = 0; \ + _pp[2] = 0; \ + _pp[1] = 0; \ + _pp[0] = 0; \ + } \ +} while (0) + /* PFNs are real physical page numbers. However, mem_map only begins to record * per-page information starting at pfn_base. This is to handle systems where * the first physical page in the machine is at some huge physical address, diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h index ae51a111a8c7..32a508897501 100644 --- a/arch/sparc/include/asm/pgtsrmmu.h +++ b/arch/sparc/include/asm/pgtsrmmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * pgtsrmmu.h: SRMMU page table defines and code. * diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h index 522b43db2ed3..4003c35304bd 100644 --- a/arch/sparc/include/asm/pil.h +++ b/arch/sparc/include/asm/pil.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_PIL_H #define _SPARC64_PIL_H diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h index 9da9646bf6c6..18295ea625dd 100644 --- a/arch/sparc/include/asm/processor.h +++ b/arch/sparc/include/asm/processor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PROCESSOR_H #define ___ASM_SPARC_PROCESSOR_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index b395e5620c0b..192493c257fa 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* include/asm/processor.h * * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index f04dc5a43062..aac23d4a4ddd 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm/processor.h * @@ -199,6 +200,13 @@ unsigned long get_wchan(struct task_struct *task); * To make a long story short, we are trying to yield the current cpu * strand during busy loops. */ +#ifdef BUILD_VDSO +#define cpu_relax() asm volatile("\n99:\n\t" \ + "rd %%ccr, %%g0\n\t" \ + "rd %%ccr, %%g0\n\t" \ + "rd %%ccr, %%g0\n\t" \ + ::: "memory") +#else /* ! BUILD_VDSO */ #define cpu_relax() asm volatile("\n99:\n\t" \ "rd %%ccr, %%g0\n\t" \ "rd %%ccr, %%g0\n\t" \ @@ -210,6 +218,7 @@ unsigned long get_wchan(struct task_struct *task); "nop\n\t" \ ".previous" \ ::: "memory") +#endif /* Prefetch support. This is tuned for UltraSPARC-III and later. * UltraSPARC-I will treat these as nops, and UltraSPARC-II has diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h index e71eb57945e0..65127ce565ab 100644 --- a/arch/sparc/include/asm/psr.h +++ b/arch/sparc/include/asm/psr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * psr.h: This file holds the macros for masking off various parts of * the processor status register on the Sparc. This is valid diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h index d73428e4333c..71dd82b43cc5 100644 --- a/arch/sparc/include/asm/ptrace.h +++ b/arch/sparc/include/asm/ptrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_PTRACE_H #define __SPARC_PTRACE_H @@ -6,6 +7,7 @@ #if defined(__sparc__) && defined(__arch64__) #ifndef __ASSEMBLY__ +#include <linux/compiler.h> #include <linux/threads.h> #include <asm/switch_to.h> diff --git a/arch/sparc/include/asm/qrwlock.h b/arch/sparc/include/asm/qrwlock.h index d68a4b102100..c277729152c6 100644 --- a/arch/sparc/include/asm/qrwlock.h +++ b/arch/sparc/include/asm/qrwlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_QRWLOCK_H #define _ASM_SPARC_QRWLOCK_H diff --git a/arch/sparc/include/asm/qspinlock.h b/arch/sparc/include/asm/qspinlock.h index 5ae9a2802846..48808f3d9dd7 100644 --- a/arch/sparc/include/asm/qspinlock.h +++ b/arch/sparc/include/asm/qspinlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_QSPINLOCK_H #define _ASM_SPARC_QSPINLOCK_H diff --git a/arch/sparc/include/asm/ross.h b/arch/sparc/include/asm/ross.h index ecb6e81786a6..79a54d66a2c0 100644 --- a/arch/sparc/include/asm/ross.h +++ b/arch/sparc/include/asm/ross.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ross.h: Ross module specific definitions and defines. * diff --git a/arch/sparc/include/asm/sbi.h b/arch/sparc/include/asm/sbi.h index 5eb7f1965d33..4d6026c1e446 100644 --- a/arch/sparc/include/asm/sbi.h +++ b/arch/sparc/include/asm/sbi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * sbi.h: SBI (Sbus Interface on sun4d) definitions * diff --git a/arch/sparc/include/asm/scratchpad.h b/arch/sparc/include/asm/scratchpad.h index 5e8b01fb3343..958351190788 100644 --- a/arch/sparc/include/asm/scratchpad.h +++ b/arch/sparc/include/asm/scratchpad.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_SCRATCHPAD_H #define _SPARC64_SCRATCHPAD_H diff --git a/arch/sparc/include/asm/seccomp.h b/arch/sparc/include/asm/seccomp.h index 5ef8826d44f8..62d4579efb1a 100644 --- a/arch/sparc/include/asm/seccomp.h +++ b/arch/sparc/include/asm/seccomp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SECCOMP_H #define _ASM_SECCOMP_H diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h index f300d1a9b2b6..08f833453ab3 100644 --- a/arch/sparc/include/asm/sections.h +++ b/arch/sparc/include/asm/sections.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_SECTIONS_H #define __SPARC_SECTIONS_H diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h index 8b32538084f7..72205684e51e 100644 --- a/arch/sparc/include/asm/setup.h +++ b/arch/sparc/include/asm/setup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Just a place holder. */ diff --git a/arch/sparc/include/asm/sfafsr.h b/arch/sparc/include/asm/sfafsr.h index e96137b04a4f..9c98f4fc8839 100644 --- a/arch/sparc/include/asm/sfafsr.h +++ b/arch/sparc/include/asm/sfafsr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_SFAFSR_H #define _SPARC64_SFAFSR_H diff --git a/arch/sparc/include/asm/sfp-machine.h b/arch/sparc/include/asm/sfp-machine.h index 4ebc3823ed4f..4a247b40573c 100644 --- a/arch/sparc/include/asm/sfp-machine.h +++ b/arch/sparc/include/asm/sfp-machine.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_SFP_MACHINE_H #define ___ASM_SPARC_SFP_MACHINE_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/shmparam.h b/arch/sparc/include/asm/shmparam.h index 8bf0cfe0694f..951a4525fa4b 100644 --- a/arch/sparc/include/asm/shmparam.h +++ b/arch/sparc/include/asm/shmparam.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_SHMPARAM_H #define ___ASM_SPARC_SHMPARAM_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/shmparam_32.h b/arch/sparc/include/asm/shmparam_32.h index 142825c8d3ac..9767a8b30242 100644 --- a/arch/sparc/include/asm/shmparam_32.h +++ b/arch/sparc/include/asm/shmparam_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASMSPARC_SHMPARAM_H #define _ASMSPARC_SHMPARAM_H diff --git a/arch/sparc/include/asm/shmparam_64.h b/arch/sparc/include/asm/shmparam_64.h index 1ed0d6701a9b..c0731b57124c 100644 --- a/arch/sparc/include/asm/shmparam_64.h +++ b/arch/sparc/include/asm/shmparam_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASMSPARC64_SHMPARAM_H #define _ASMSPARC64_SHMPARAM_H diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h index f4eb630a58ed..ee05f9d2bcf2 100644 --- a/arch/sparc/include/asm/sigcontext.h +++ b/arch/sparc/include/asm/sigcontext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_SIGCONTEXT_H #define __SPARC_SIGCONTEXT_H diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index c33ce3f2ba84..827b73a97f8a 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_SIGNAL_H #define __SPARC_SIGNAL_H diff --git a/arch/sparc/include/asm/smp.h b/arch/sparc/include/asm/smp.h index b59672d0e19b..dea59f6ce79f 100644 --- a/arch/sparc/include/asm/smp.h +++ b/arch/sparc/include/asm/smp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_SMP_H #define ___ASM_SPARC_SMP_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 7c24e08a88d2..856081761b0f 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* smp.h: Sparc specific SMP stuff. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h index a75089285db8..e75783b6abc4 100644 --- a/arch/sparc/include/asm/smp_64.h +++ b/arch/sparc/include/asm/smp_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* smp.h: Sparc64 specific SMP stuff. * * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/sparsemem.h b/arch/sparc/include/asm/sparsemem.h index e5e1752d5d78..1dd1b61432db 100644 --- a/arch/sparc/include/asm/sparsemem.h +++ b/arch/sparc/include/asm/sparsemem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_SPARSEMEM_H #define _SPARC64_SPARSEMEM_H diff --git a/arch/sparc/include/asm/spinlock.h b/arch/sparc/include/asm/spinlock.h index f276b0036b2c..3f4ce55bc4d6 100644 --- a/arch/sparc/include/asm/spinlock.h +++ b/arch/sparc/include/asm/spinlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_SPINLOCK_H #define ___ASM_SPARC_SPINLOCK_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index 67345b2dc408..bc5aa6f61676 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* spinlock.h: 32-bit Sparc spinlock support. * * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) @@ -182,17 +183,6 @@ static inline int __arch_read_trylock(arch_rwlock_t *rw) res; \ }) -#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) -#define arch_read_lock_flags(rw, flags) arch_read_lock(rw) -#define arch_write_lock_flags(rw, flags) arch_write_lock(rw) - -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - -#define arch_read_can_lock(rw) (!((rw)->lock & 0xff)) -#define arch_write_can_lock(rw) (!(rw)->lock) - #endif /* !(__ASSEMBLY__) */ #endif /* __SPARC_SPINLOCK_H */ diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index f7028f5e1a5a..7fc82a233f49 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* spinlock.h: 64-bit Sparc spinlock support. * * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) @@ -13,13 +14,6 @@ #include <asm/qrwlock.h> #include <asm/qspinlock.h> -#define arch_read_lock_flags(p, f) arch_read_lock(p) -#define arch_write_lock_flags(p, f) arch_write_lock(p) - -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_SPINLOCK_H) */ diff --git a/arch/sparc/include/asm/spinlock_types.h b/arch/sparc/include/asm/spinlock_types.h index bce8ef44dfa9..ed1d569b638e 100644 --- a/arch/sparc/include/asm/spinlock_types.h +++ b/arch/sparc/include/asm/spinlock_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_SPINLOCK_TYPES_H #define __SPARC_SPINLOCK_TYPES_H diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h index 1b1286d05069..e9b7d25b29fa 100644 --- a/arch/sparc/include/asm/spitfire.h +++ b/arch/sparc/include/asm/spitfire.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* spitfire.h: SpitFire/BlackBird/Cheetah inline MMU operations. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/stacktrace.h b/arch/sparc/include/asm/stacktrace.h index c30d066f3048..556ec5d59c88 100644 --- a/arch/sparc/include/asm/stacktrace.h +++ b/arch/sparc/include/asm/stacktrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_STACKTRACE_H #define _SPARC64_STACKTRACE_H diff --git a/arch/sparc/include/asm/starfire.h b/arch/sparc/include/asm/starfire.h index 176fa0ad19f1..fb1a8c499cb0 100644 --- a/arch/sparc/include/asm/starfire.h +++ b/arch/sparc/include/asm/starfire.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * starfire.h: Group all starfire specific code together. * diff --git a/arch/sparc/include/asm/string.h b/arch/sparc/include/asm/string.h index 86f34be14ce0..3d9cd082716b 100644 --- a/arch/sparc/include/asm/string.h +++ b/arch/sparc/include/asm/string.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_STRING_H #define ___ASM_SPARC_STRING_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h index 649412476a69..f488946bd7d6 100644 --- a/arch/sparc/include/asm/string_32.h +++ b/arch/sparc/include/asm/string_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * string.h: External definitions for optimized assembly string * routines for the Linux Kernel. diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h index 6b9ccb308605..ee9ba67321bd 100644 --- a/arch/sparc/include/asm/string_64.h +++ b/arch/sparc/include/asm/string_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * string.h: External definitions for optimized assembly string * routines for the Linux Kernel. diff --git a/arch/sparc/include/asm/sunbpp.h b/arch/sparc/include/asm/sunbpp.h index d81a02eaf78b..55de4da70dff 100644 --- a/arch/sparc/include/asm/sunbpp.h +++ b/arch/sparc/include/asm/sunbpp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm/sunbpp.h */ diff --git a/arch/sparc/include/asm/swift.h b/arch/sparc/include/asm/swift.h index e535061bf755..96f6526b964e 100644 --- a/arch/sparc/include/asm/swift.h +++ b/arch/sparc/include/asm/swift.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* swift.h: Specific definitions for the _broken_ Swift SRMMU * MMU module. * diff --git a/arch/sparc/include/asm/switch_to.h b/arch/sparc/include/asm/switch_to.h index 2dc4fa5c6f8c..7cf1c5dc734c 100644 --- a/arch/sparc/include/asm/switch_to.h +++ b/arch/sparc/include/asm/switch_to.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_SWITCH_TO_H #define ___ASM_SPARC_SWITCH_TO_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/switch_to_32.h b/arch/sparc/include/asm/switch_to_32.h index 475dd4158ae4..42eeafcb8a41 100644 --- a/arch/sparc/include/asm/switch_to_32.h +++ b/arch/sparc/include/asm/switch_to_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_SWITCH_TO_H #define __SPARC_SWITCH_TO_H diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h index 10e76332dc99..4ff29b1406a9 100644 --- a/arch/sparc/include/asm/switch_to_64.h +++ b/arch/sparc/include/asm/switch_to_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC64_SWITCH_TO_64_H #define __SPARC64_SWITCH_TO_64_H diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h index 1757cd6c521b..053989e3f6a6 100644 --- a/arch/sparc/include/asm/syscall.h +++ b/arch/sparc/include/asm/syscall.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SPARC_SYSCALL_H #define __ASM_SPARC_SYSCALL_H diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h index b0a0db8ea61a..1d819f5e21da 100644 --- a/arch/sparc/include/asm/syscalls.h +++ b/arch/sparc/include/asm/syscalls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_SYSCALLS_H #define _SPARC64_SYSCALLS_H diff --git a/arch/sparc/include/asm/termbits.h b/arch/sparc/include/asm/termbits.h index 948067065ac5..fa9de4a46d36 100644 --- a/arch/sparc/include/asm/termbits.h +++ b/arch/sparc/include/asm/termbits.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_TERMBITS_H #define _SPARC_TERMBITS_H diff --git a/arch/sparc/include/asm/termios.h b/arch/sparc/include/asm/termios.h index 0c2414ddd52c..4a558efdfa93 100644 --- a/arch/sparc/include/asm/termios.h +++ b/arch/sparc/include/asm/termios.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_TERMIOS_H #define _SPARC_TERMIOS_H diff --git a/arch/sparc/include/asm/thread_info.h b/arch/sparc/include/asm/thread_info.h index 122d7acc07e6..740b1743ed8c 100644 --- a/arch/sparc/include/asm/thread_info.h +++ b/arch/sparc/include/asm/thread_info.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_THREAD_INFO_H #define ___ASM_SPARC_THREAD_INFO_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 229475f0d7ce..febaaeb1a0fe 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * thread_info.h: sparc low-level thread information * adapted from the ppc version by Pete Zaitcev, which was diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 38a24f257b85..caf915321ba9 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* thread_info.h: sparc64 low-level thread information * * Copyright (C) 2002 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/include/asm/timer.h b/arch/sparc/include/asm/timer.h index 612fd2779d9e..eaf6195d17e2 100644 --- a/arch/sparc/include/asm/timer.h +++ b/arch/sparc/include/asm/timer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_TIMER_H #define ___ASM_SPARC_TIMER_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h index f8e708a0aa58..eecd2696922d 100644 --- a/arch/sparc/include/asm/timer_32.h +++ b/arch/sparc/include/asm/timer_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * timer.h: Definitions for the timer chips on the Sparc. * diff --git a/arch/sparc/include/asm/timer_64.h b/arch/sparc/include/asm/timer_64.h index 51bc3bc54bfe..c7e4fb601a57 100644 --- a/arch/sparc/include/asm/timer_64.h +++ b/arch/sparc/include/asm/timer_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* timer.h: System timer definitions for sun5. * * Copyright (C) 1997, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/include/asm/timex.h b/arch/sparc/include/asm/timex.h index 70cc37b73827..9aac26b1f45f 100644 --- a/arch/sparc/include/asm/timex.h +++ b/arch/sparc/include/asm/timex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_TIMEX_H #define ___ASM_SPARC_TIMEX_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/timex_32.h b/arch/sparc/include/asm/timex_32.h index b6ccdb0d6f7d..542915b46209 100644 --- a/arch/sparc/include/asm/timex_32.h +++ b/arch/sparc/include/asm/timex_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/include/asm/timex.h * diff --git a/arch/sparc/include/asm/timex_64.h b/arch/sparc/include/asm/timex_64.h index 18b30bc9823b..076c44f6845d 100644 --- a/arch/sparc/include/asm/timex_64.h +++ b/arch/sparc/include/asm/timex_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/include/asm/timex.h * diff --git a/arch/sparc/include/asm/tlb.h b/arch/sparc/include/asm/tlb.h index 92d0393bbcdc..7146a577257f 100644 --- a/arch/sparc/include/asm/tlb.h +++ b/arch/sparc/include/asm/tlb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_TLB_H #define ___ASM_SPARC_TLB_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/tlb_32.h b/arch/sparc/include/asm/tlb_32.h index 6d02d1ce53f3..343cea19e573 100644 --- a/arch/sparc/include/asm/tlb_32.h +++ b/arch/sparc/include/asm/tlb_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_TLB_H #define _SPARC_TLB_H diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h index 4cb392f75d2b..a2f3fa61ee36 100644 --- a/arch/sparc/include/asm/tlb_64.h +++ b/arch/sparc/include/asm/tlb_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_TLB_H #define _SPARC64_TLB_H diff --git a/arch/sparc/include/asm/tlbflush.h b/arch/sparc/include/asm/tlbflush.h index 2c9629fad1e2..30ae3ea21054 100644 --- a/arch/sparc/include/asm/tlbflush.h +++ b/arch/sparc/include/asm/tlbflush.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_TLBFLUSH_H #define ___ASM_SPARC_TLBFLUSH_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/tlbflush_32.h b/arch/sparc/include/asm/tlbflush_32.h index a5c4142130f5..470531991a08 100644 --- a/arch/sparc/include/asm/tlbflush_32.h +++ b/arch/sparc/include/asm/tlbflush_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_TLBFLUSH_H #define _SPARC_TLBFLUSH_H diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h index 54be88a6774c..8b8cdaa69272 100644 --- a/arch/sparc/include/asm/tlbflush_64.h +++ b/arch/sparc/include/asm/tlbflush_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_TLBFLUSH_H #define _SPARC64_TLBFLUSH_H diff --git a/arch/sparc/include/asm/topology.h b/arch/sparc/include/asm/topology.h index ee4f191d394a..ba7b9d9d91cf 100644 --- a/arch/sparc/include/asm/topology.h +++ b/arch/sparc/include/asm/topology.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_TOPOLOGY_H #define ___ASM_SPARC_TOPOLOGY_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/topology_32.h b/arch/sparc/include/asm/topology_32.h index ee5ac9c9da28..66c4f9ff700d 100644 --- a/arch/sparc/include/asm/topology_32.h +++ b/arch/sparc/include/asm/topology_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_TOPOLOGY_H #define _ASM_SPARC_TOPOLOGY_H diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h index ad5293f89680..34c628a22ea5 100644 --- a/arch/sparc/include/asm/topology_64.h +++ b/arch/sparc/include/asm/topology_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC64_TOPOLOGY_H #define _ASM_SPARC64_TOPOLOGY_H @@ -10,8 +11,6 @@ static inline int cpu_to_node(int cpu) return numa_cpu_lookup_table[cpu]; } -#define parent_node(node) (node) - #define cpumask_of_node(node) ((node) == -1 ? \ cpu_all_mask : \ &numa_cpumask_lookup_table[node]) diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h index dfc538609eb2..6a4c8652ad67 100644 --- a/arch/sparc/include/asm/trap_block.h +++ b/arch/sparc/include/asm/trap_block.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_TRAP_BLOCK_H #define _SPARC_TRAP_BLOCK_H diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h index 51abcb1f9b3b..2fba2602ba69 100644 --- a/arch/sparc/include/asm/traps.h +++ b/arch/sparc/include/asm/traps.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * traps.h: Format of entries for the Sparc trap table. * diff --git a/arch/sparc/include/asm/tsb.h b/arch/sparc/include/asm/tsb.h index acf55063aa3d..522a677e050d 100644 --- a/arch/sparc/include/asm/tsb.h +++ b/arch/sparc/include/asm/tsb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_TSB_H #define _SPARC64_TSB_H @@ -216,7 +217,7 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; sllx REG2, 32, REG2; \ andcc REG1, REG2, %g0; \ be,pt %xcc, 700f; \ - sethi %hi(0x1ffc0000), REG2; \ + sethi %hi(0xffe00000), REG2; \ sllx REG2, 1, REG2; \ brgez,pn REG1, FAIL_LABEL; \ andn REG1, REG2, REG1; \ diff --git a/arch/sparc/include/asm/tsunami.h b/arch/sparc/include/asm/tsunami.h index 5bbd1d523baa..acaf014eff46 100644 --- a/arch/sparc/include/asm/tsunami.h +++ b/arch/sparc/include/asm/tsunami.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * tsunami.h: Module specific definitions for Tsunami V8 Sparcs * diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h index 82e7df296abc..ede2b66cf4a0 100644 --- a/arch/sparc/include/asm/ttable.h +++ b/arch/sparc/include/asm/ttable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_TTABLE_H #define _SPARC64_TTABLE_H diff --git a/arch/sparc/include/asm/turbosparc.h b/arch/sparc/include/asm/turbosparc.h index 17c73282db0a..23df777f9cea 100644 --- a/arch/sparc/include/asm/turbosparc.h +++ b/arch/sparc/include/asm/turbosparc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * turbosparc.h: Defines specific to the TurboSparc module. * This is SRMMU stuff. diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h index 9e068bf9060a..dd85bc2c2cad 100644 --- a/arch/sparc/include/asm/uaccess.h +++ b/arch/sparc/include/asm/uaccess.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_UACCESS_H #define ___ASM_SPARC_UACCESS_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index bdb1447aa1bb..de71c65b99f0 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * uaccess.h: User space memore access functions. * diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 6d4c997d1a9e..cbb308cee394 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_UACCESS_H #define _ASM_UACCESS_H diff --git a/arch/sparc/include/asm/unaligned.h b/arch/sparc/include/asm/unaligned.h index 11d2d5fb5902..7971d89d2f54 100644 --- a/arch/sparc/include/asm/unaligned.h +++ b/arch/sparc/include/asm/unaligned.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_UNALIGNED_H #define _ASM_SPARC_UNALIGNED_H diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 0aac1e8f2968..b2a6a955113e 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * System calls under the Sparc. * diff --git a/arch/sparc/include/asm/upa.h b/arch/sparc/include/asm/upa.h index 5b1633223f92..782691b30f54 100644 --- a/arch/sparc/include/asm/upa.h +++ b/arch/sparc/include/asm/upa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_UPA_H #define _SPARC64_UPA_H diff --git a/arch/sparc/include/asm/vaddrs.h b/arch/sparc/include/asm/vaddrs.h index c3dbcf902034..84d054b07a6f 100644 --- a/arch/sparc/include/asm/vaddrs.h +++ b/arch/sparc/include/asm/vaddrs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_VADDRS_H #define _SPARC_VADDRS_H diff --git a/arch/sparc/include/asm/vdso.h b/arch/sparc/include/asm/vdso.h new file mode 100644 index 000000000000..93b628731a5e --- /dev/null +++ b/arch/sparc/include/asm/vdso.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _ASM_SPARC_VDSO_H +#define _ASM_SPARC_VDSO_H + +struct vdso_image { + void *data; + unsigned long size; /* Always a multiple of PAGE_SIZE */ + long sym_vvar_start; /* Negative offset to the vvar area */ + long sym_vread_tick; /* Start of vread_tick section */ + long sym_vread_tick_patch_start; /* Start of tick read */ + long sym_vread_tick_patch_end; /* End of tick read */ +}; + +#ifdef CONFIG_SPARC64 +extern const struct vdso_image vdso_image_64_builtin; +#endif +#ifdef CONFIG_COMPAT +extern const struct vdso_image vdso_image_32_builtin; +#endif + +#endif /* _ASM_SPARC_VDSO_H */ diff --git a/arch/sparc/include/asm/vga.h b/arch/sparc/include/asm/vga.h index f54e8b6fb197..2952d667d936 100644 --- a/arch/sparc/include/asm/vga.h +++ b/arch/sparc/include/asm/vga.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Access to VGA videoram * diff --git a/arch/sparc/include/asm/viking.h b/arch/sparc/include/asm/viking.h index 989930aeb093..0bbefd184221 100644 --- a/arch/sparc/include/asm/viking.h +++ b/arch/sparc/include/asm/viking.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * viking.h: Defines specific to the GNU/Viking MBUS module. * This is SRMMU stuff. diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h index f3d4ac232690..059f0eb678e0 100644 --- a/arch/sparc/include/asm/vio.h +++ b/arch/sparc/include/asm/vio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_VIO_H #define _SPARC64_VIO_H diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h index 6424249d5f78..7903e84e09e0 100644 --- a/arch/sparc/include/asm/visasm.h +++ b/arch/sparc/include/asm/visasm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_VISASM_H #define _SPARC64_VISASM_H diff --git a/arch/sparc/include/asm/vvar.h b/arch/sparc/include/asm/vvar.h new file mode 100644 index 000000000000..0289503d1cb0 --- /dev/null +++ b/arch/sparc/include/asm/vvar.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _ASM_SPARC_VVAR_DATA_H +#define _ASM_SPARC_VVAR_DATA_H + +#include <asm/clocksource.h> +#include <linux/seqlock.h> +#include <linux/time.h> +#include <linux/types.h> + +struct vvar_data { + unsigned int seq; + + int vclock_mode; + struct { /* extract of a clocksource struct */ + u64 cycle_last; + u64 mask; + int mult; + int shift; + } clock; + /* open coded 'struct timespec' */ + u64 wall_time_sec; + u64 wall_time_snsec; + u64 monotonic_time_snsec; + u64 monotonic_time_sec; + u64 monotonic_time_coarse_sec; + u64 monotonic_time_coarse_nsec; + u64 wall_time_coarse_sec; + u64 wall_time_coarse_nsec; + + int tz_minuteswest; + int tz_dsttime; +}; + +extern struct vvar_data *vvar_data; +extern int vdso_fix_stick; + +static inline unsigned int vvar_read_begin(const struct vvar_data *s) +{ + unsigned int ret; + +repeat: + ret = READ_ONCE(s->seq); + if (unlikely(ret & 1)) { + cpu_relax(); + goto repeat; + } + smp_rmb(); /* Finish all reads before we return seq */ + return ret; +} + +static inline int vvar_read_retry(const struct vvar_data *s, + unsigned int start) +{ + smp_rmb(); /* Finish all reads before checking the value of seq */ + return unlikely(s->seq != start); +} + +static inline void vvar_write_begin(struct vvar_data *s) +{ + ++s->seq; + smp_wmb(); /* Makes sure that increment of seq is reflected */ +} + +static inline void vvar_write_end(struct vvar_data *s) +{ + smp_wmb(); /* Makes the value of seq current before we increment */ + ++s->seq; +} + + +#endif /* _ASM_SPARC_VVAR_DATA_H */ diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h index 9b7b21764cde..b6e911f5d93c 100644 --- a/arch/sparc/include/asm/winmacro.h +++ b/arch/sparc/include/asm/winmacro.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * winmacro.h: Window loading-unloading macros. * diff --git a/arch/sparc/include/asm/xor.h b/arch/sparc/include/asm/xor.h index 8ed591c7db2d..f4c651e203c4 100644 --- a/arch/sparc/include/asm/xor.h +++ b/arch/sparc/include/asm/xor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_XOR_H #define ___ASM_SPARC_XOR_H #if defined(__sparc__) && defined(__arch64__) diff --git a/arch/sparc/include/uapi/asm/apc.h b/arch/sparc/include/uapi/asm/apc.h index 24e9a7d4d97e..aeb369b87fcd 100644 --- a/arch/sparc/include/uapi/asm/apc.h +++ b/arch/sparc/include/uapi/asm/apc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* apc - Driver definitions for power management functions * of Aurora Personality Chip (APC) on SPARCstation-4/5 and * derivatives diff --git a/arch/sparc/include/uapi/asm/asi.h b/arch/sparc/include/uapi/asm/asi.h index 7ad7203deaec..d371b269571a 100644 --- a/arch/sparc/include/uapi/asm/asi.h +++ b/arch/sparc/include/uapi/asm/asi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_ASI_H #define _SPARC_ASI_H diff --git a/arch/sparc/include/uapi/asm/auxvec.h b/arch/sparc/include/uapi/asm/auxvec.h index ad6f360261f6..5f80a70cc901 100644 --- a/arch/sparc/include/uapi/asm/auxvec.h +++ b/arch/sparc/include/uapi/asm/auxvec.h @@ -1,4 +1,8 @@ #ifndef __ASMSPARC_AUXVEC_H #define __ASMSPARC_AUXVEC_H +#define AT_SYSINFO_EHDR 33 + +#define AT_VECTOR_SIZE_ARCH 1 + #endif /* !(__ASMSPARC_AUXVEC_H) */ diff --git a/arch/sparc/include/uapi/asm/bitsperlong.h b/arch/sparc/include/uapi/asm/bitsperlong.h index 40dcaa3aaa56..cd9a432278d2 100644 --- a/arch/sparc/include/uapi/asm/bitsperlong.h +++ b/arch/sparc/include/uapi/asm/bitsperlong.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_ALPHA_BITSPERLONG_H #define __ASM_ALPHA_BITSPERLONG_H diff --git a/arch/sparc/include/uapi/asm/byteorder.h b/arch/sparc/include/uapi/asm/byteorder.h index ccc1b6b7de6c..216b8e59372f 100644 --- a/arch/sparc/include/uapi/asm/byteorder.h +++ b/arch/sparc/include/uapi/asm/byteorder.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_BYTEORDER_H #define _SPARC_BYTEORDER_H diff --git a/arch/sparc/include/uapi/asm/display7seg.h b/arch/sparc/include/uapi/asm/display7seg.h index 86d4a901df24..7e9fef0c6efe 100644 --- a/arch/sparc/include/uapi/asm/display7seg.h +++ b/arch/sparc/include/uapi/asm/display7seg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * * display7seg - Driver interface for the 7-segment display diff --git a/arch/sparc/include/uapi/asm/envctrl.h b/arch/sparc/include/uapi/asm/envctrl.h index 624fa7e2da8e..cf8aa0a14f40 100644 --- a/arch/sparc/include/uapi/asm/envctrl.h +++ b/arch/sparc/include/uapi/asm/envctrl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * * envctrl.h: Definitions for access to the i2c environment diff --git a/arch/sparc/include/uapi/asm/errno.h b/arch/sparc/include/uapi/asm/errno.h index 20423e172853..81a732b902ee 100644 --- a/arch/sparc/include/uapi/asm/errno.h +++ b/arch/sparc/include/uapi/asm/errno.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_ERRNO_H #define _SPARC_ERRNO_H diff --git a/arch/sparc/include/uapi/asm/fbio.h b/arch/sparc/include/uapi/asm/fbio.h index d6cea07afb61..0dafe2c1eab7 100644 --- a/arch/sparc/include/uapi/asm/fbio.h +++ b/arch/sparc/include/uapi/asm/fbio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__LINUX_FBIO_H #define _UAPI__LINUX_FBIO_H diff --git a/arch/sparc/include/uapi/asm/fcntl.h b/arch/sparc/include/uapi/asm/fcntl.h index 7e8ace5bf760..67dae75e5274 100644 --- a/arch/sparc/include/uapi/asm/fcntl.h +++ b/arch/sparc/include/uapi/asm/fcntl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_FCNTL_H #define _SPARC_FCNTL_H diff --git a/arch/sparc/include/uapi/asm/ioctl.h b/arch/sparc/include/uapi/asm/ioctl.h index 7d6bd51321b9..96c598fe746e 100644 --- a/arch/sparc/include/uapi/asm/ioctl.h +++ b/arch/sparc/include/uapi/asm/ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_IOCTL_H #define _SPARC_IOCTL_H diff --git a/arch/sparc/include/uapi/asm/ioctls.h b/arch/sparc/include/uapi/asm/ioctls.h index f5df72b93bb2..2df52711e170 100644 --- a/arch/sparc/include/uapi/asm/ioctls.h +++ b/arch/sparc/include/uapi/asm/ioctls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_ASM_SPARC_IOCTLS_H #define _UAPI_ASM_SPARC_IOCTLS_H diff --git a/arch/sparc/include/uapi/asm/ipcbuf.h b/arch/sparc/include/uapi/asm/ipcbuf.h index 66013b4fe10d..9d0d125500e2 100644 --- a/arch/sparc/include/uapi/asm/ipcbuf.h +++ b/arch/sparc/include/uapi/asm/ipcbuf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __SPARC_IPCBUF_H #define __SPARC_IPCBUF_H diff --git a/arch/sparc/include/uapi/asm/jsflash.h b/arch/sparc/include/uapi/asm/jsflash.h index 0717d9e39d2d..68c98a54281a 100644 --- a/arch/sparc/include/uapi/asm/jsflash.h +++ b/arch/sparc/include/uapi/asm/jsflash.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * jsflash.h: OS Flash SIMM support for JavaStations. * diff --git a/arch/sparc/include/uapi/asm/kvm_para.h b/arch/sparc/include/uapi/asm/kvm_para.h index 14fab8f0b957..baacc4996d18 100644 --- a/arch/sparc/include/uapi/asm/kvm_para.h +++ b/arch/sparc/include/uapi/asm/kvm_para.h @@ -1 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #include <asm-generic/kvm_para.h> diff --git a/arch/sparc/include/uapi/asm/mman.h b/arch/sparc/include/uapi/asm/mman.h index 9765896ecb2c..715a2c927e79 100644 --- a/arch/sparc/include/uapi/asm/mman.h +++ b/arch/sparc/include/uapi/asm/mman.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__SPARC_MMAN_H__ #define _UAPI__SPARC_MMAN_H__ diff --git a/arch/sparc/include/uapi/asm/msgbuf.h b/arch/sparc/include/uapi/asm/msgbuf.h index efc7cbe9788f..b601c4f4d956 100644 --- a/arch/sparc/include/uapi/asm/msgbuf.h +++ b/arch/sparc/include/uapi/asm/msgbuf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_MSGBUF_H #define _SPARC_MSGBUF_H diff --git a/arch/sparc/include/uapi/asm/openpromio.h b/arch/sparc/include/uapi/asm/openpromio.h index 917fb8e9c633..8817f7d1a70c 100644 --- a/arch/sparc/include/uapi/asm/openpromio.h +++ b/arch/sparc/include/uapi/asm/openpromio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_OPENPROMIO_H #define _SPARC_OPENPROMIO_H diff --git a/arch/sparc/include/uapi/asm/param.h b/arch/sparc/include/uapi/asm/param.h index 0bc356bf8c50..057d7135e4d0 100644 --- a/arch/sparc/include/uapi/asm/param.h +++ b/arch/sparc/include/uapi/asm/param.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASMSPARC_PARAM_H #define _ASMSPARC_PARAM_H diff --git a/arch/sparc/include/uapi/asm/perfctr.h b/arch/sparc/include/uapi/asm/perfctr.h index 214feefa577c..316b837bcb8f 100644 --- a/arch/sparc/include/uapi/asm/perfctr.h +++ b/arch/sparc/include/uapi/asm/perfctr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /*---------------------------------------- PERFORMANCE INSTRUMENTATION Guillaume Thouvenin 08/10/98 diff --git a/arch/sparc/include/uapi/asm/poll.h b/arch/sparc/include/uapi/asm/poll.h index 091d3ad2e830..72356c999125 100644 --- a/arch/sparc/include/uapi/asm/poll.h +++ b/arch/sparc/include/uapi/asm/poll.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __SPARC_POLL_H #define __SPARC_POLL_H diff --git a/arch/sparc/include/uapi/asm/posix_types.h b/arch/sparc/include/uapi/asm/posix_types.h index 156220ed99eb..fec499d6efb7 100644 --- a/arch/sparc/include/uapi/asm/posix_types.h +++ b/arch/sparc/include/uapi/asm/posix_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * This file is generally used by user-level software, so you need to * be a little careful about namespace pollution etc. Also, we cannot diff --git a/arch/sparc/include/uapi/asm/psr.h b/arch/sparc/include/uapi/asm/psr.h index 2f0ed856530b..e41f65f0aebd 100644 --- a/arch/sparc/include/uapi/asm/psr.h +++ b/arch/sparc/include/uapi/asm/psr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * psr.h: This file holds the macros for masking off various parts of * the processor status register on the Sparc. This is valid diff --git a/arch/sparc/include/uapi/asm/psrcompat.h b/arch/sparc/include/uapi/asm/psrcompat.h index 44b6327dbbf5..1eaffbe0d1e2 100644 --- a/arch/sparc/include/uapi/asm/psrcompat.h +++ b/arch/sparc/include/uapi/asm/psrcompat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC64_PSRCOMPAT_H #define _SPARC64_PSRCOMPAT_H diff --git a/arch/sparc/include/uapi/asm/pstate.h b/arch/sparc/include/uapi/asm/pstate.h index cf832e14aa05..b6999c9e7e86 100644 --- a/arch/sparc/include/uapi/asm/pstate.h +++ b/arch/sparc/include/uapi/asm/pstate.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC64_PSTATE_H #define _SPARC64_PSTATE_H diff --git a/arch/sparc/include/uapi/asm/ptrace.h b/arch/sparc/include/uapi/asm/ptrace.h index 56fe4ea73feb..abe640037a55 100644 --- a/arch/sparc/include/uapi/asm/ptrace.h +++ b/arch/sparc/include/uapi/asm/ptrace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__SPARC_PTRACE_H #define _UAPI__SPARC_PTRACE_H diff --git a/arch/sparc/include/uapi/asm/resource.h b/arch/sparc/include/uapi/asm/resource.h index fe163cafb4c7..cbe2de778838 100644 --- a/arch/sparc/include/uapi/asm/resource.h +++ b/arch/sparc/include/uapi/asm/resource.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * resource.h: Resource definitions. * diff --git a/arch/sparc/include/uapi/asm/sembuf.h b/arch/sparc/include/uapi/asm/sembuf.h index faee1be08d67..f49b0ffa0ab8 100644 --- a/arch/sparc/include/uapi/asm/sembuf.h +++ b/arch/sparc/include/uapi/asm/sembuf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_SEMBUF_H #define _SPARC_SEMBUF_H diff --git a/arch/sparc/include/uapi/asm/setup.h b/arch/sparc/include/uapi/asm/setup.h index 533768450872..3c208a4dd464 100644 --- a/arch/sparc/include/uapi/asm/setup.h +++ b/arch/sparc/include/uapi/asm/setup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Just a place holder. */ diff --git a/arch/sparc/include/uapi/asm/shmbuf.h b/arch/sparc/include/uapi/asm/shmbuf.h index 83a16055363f..286631db705c 100644 --- a/arch/sparc/include/uapi/asm/shmbuf.h +++ b/arch/sparc/include/uapi/asm/shmbuf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_SHMBUF_H #define _SPARC_SHMBUF_H diff --git a/arch/sparc/include/uapi/asm/sigcontext.h b/arch/sparc/include/uapi/asm/sigcontext.h index ae5704fa77ad..043dd4b92026 100644 --- a/arch/sparc/include/uapi/asm/sigcontext.h +++ b/arch/sparc/include/uapi/asm/sigcontext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * There isn't anything here anymore, but the file must not be empty or patch * will delete it. diff --git a/arch/sparc/include/uapi/asm/siginfo.h b/arch/sparc/include/uapi/asm/siginfo.h index 157f46fe374f..896ce447d16a 100644 --- a/arch/sparc/include/uapi/asm/siginfo.h +++ b/arch/sparc/include/uapi/asm/siginfo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__SPARC_SIGINFO_H #define _UAPI__SPARC_SIGINFO_H diff --git a/arch/sparc/include/uapi/asm/signal.h b/arch/sparc/include/uapi/asm/signal.h index f387400fcfdf..ff9505923b9a 100644 --- a/arch/sparc/include/uapi/asm/signal.h +++ b/arch/sparc/include/uapi/asm/signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI__SPARC_SIGNAL_H #define _UAPI__SPARC_SIGNAL_H diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h index b2f5c50d0947..d58520c2e6ff 100644 --- a/arch/sparc/include/uapi/asm/socket.h +++ b/arch/sparc/include/uapi/asm/socket.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_SOCKET_H #define _ASM_SOCKET_H diff --git a/arch/sparc/include/uapi/asm/sockios.h b/arch/sparc/include/uapi/asm/sockios.h index 990ea746486b..18a3ec14a847 100644 --- a/arch/sparc/include/uapi/asm/sockios.h +++ b/arch/sparc/include/uapi/asm/sockios.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_SPARC_SOCKIOS_H #define _ASM_SPARC_SOCKIOS_H diff --git a/arch/sparc/include/uapi/asm/stat.h b/arch/sparc/include/uapi/asm/stat.h index 2f0583a2c689..b6ec4eb217f7 100644 --- a/arch/sparc/include/uapi/asm/stat.h +++ b/arch/sparc/include/uapi/asm/stat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __SPARC_STAT_H #define __SPARC_STAT_H diff --git a/arch/sparc/include/uapi/asm/statfs.h b/arch/sparc/include/uapi/asm/statfs.h index 55e607ad461d..20c8f5bd340e 100644 --- a/arch/sparc/include/uapi/asm/statfs.h +++ b/arch/sparc/include/uapi/asm/statfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef ___ASM_SPARC_STATFS_H #define ___ASM_SPARC_STATFS_H diff --git a/arch/sparc/include/uapi/asm/swab.h b/arch/sparc/include/uapi/asm/swab.h index 4c7c12d69bea..6b1b3f1ad725 100644 --- a/arch/sparc/include/uapi/asm/swab.h +++ b/arch/sparc/include/uapi/asm/swab.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_SWAB_H #define _SPARC_SWAB_H diff --git a/arch/sparc/include/uapi/asm/termbits.h b/arch/sparc/include/uapi/asm/termbits.h index dd91642fcca7..ce5ad5d0f105 100644 --- a/arch/sparc/include/uapi/asm/termbits.h +++ b/arch/sparc/include/uapi/asm/termbits.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_SPARC_TERMBITS_H #define _UAPI_SPARC_TERMBITS_H diff --git a/arch/sparc/include/uapi/asm/termios.h b/arch/sparc/include/uapi/asm/termios.h index ea6f09e51e53..ee86f4093d83 100644 --- a/arch/sparc/include/uapi/asm/termios.h +++ b/arch/sparc/include/uapi/asm/termios.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _UAPI_SPARC_TERMIOS_H #define _UAPI_SPARC_TERMIOS_H diff --git a/arch/sparc/include/uapi/asm/traps.h b/arch/sparc/include/uapi/asm/traps.h index a4eceace6ccf..930db746f8bd 100644 --- a/arch/sparc/include/uapi/asm/traps.h +++ b/arch/sparc/include/uapi/asm/traps.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * traps.h: Format of entries for the Sparc trap table. * diff --git a/arch/sparc/include/uapi/asm/uctx.h b/arch/sparc/include/uapi/asm/uctx.h index dc937c75ffdd..13a13198e04f 100644 --- a/arch/sparc/include/uapi/asm/uctx.h +++ b/arch/sparc/include/uapi/asm/uctx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * uctx.h: Sparc64 {set,get}context() register state layouts. * diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index ae77df75bffa..09acf0ddec10 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * System calls under the Sparc. * diff --git a/arch/sparc/include/uapi/asm/utrap.h b/arch/sparc/include/uapi/asm/utrap.h index b10e527c22d9..d890b7fc6e83 100644 --- a/arch/sparc/include/uapi/asm/utrap.h +++ b/arch/sparc/include/uapi/asm/utrap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * include/asm/utrap.h * diff --git a/arch/sparc/include/uapi/asm/watchdog.h b/arch/sparc/include/uapi/asm/watchdog.h index 5baf2d3919cf..497ac19a9e4e 100644 --- a/arch/sparc/include/uapi/asm/watchdog.h +++ b/arch/sparc/include/uapi/asm/watchdog.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * * watchdog - Driver interface for the hardware watchdog timers diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index aac609889ee4..cc97545737f0 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the linux kernel. @@ -42,6 +43,7 @@ obj-$(CONFIG_SPARC32) += systbls_32.o obj-y += time_$(BITS).o obj-$(CONFIG_SPARC32) += windows.o obj-y += cpu.o +obj-$(CONFIG_SPARC64) += vdso.o obj-$(CONFIG_SPARC32) += devices.o obj-y += ptrace_$(BITS).o obj-y += unaligned_$(BITS).o diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index c988e7fa069b..ecd05bc0a104 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* apc - Driver implementation for power management functions * of Aurora Personality Chip (APC) on SPARCstation-4/5 and * derivatives. diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c index 3f09e1c83f58..5784f2df489a 100644 --- a/arch/sparc/kernel/asm-offsets.c +++ b/arch/sparc/kernel/asm-offsets.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This program is used to generate definitions needed by * assembly language modules. diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c index 2585c1e14bcc..a6e91bf34d48 100644 --- a/arch/sparc/kernel/audit.c +++ b/arch/sparc/kernel/audit.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/types.h> #include <linux/audit.h> diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c index ae88c223e4d3..a32d588174f2 100644 --- a/arch/sparc/kernel/auxio_32.c +++ b/arch/sparc/kernel/auxio_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* auxio.c: Probing for the Sparc AUXIO register at boot time. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index 086435c17981..4e8f56c3793c 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* auxio.c: Probing for the Sparc AUXIO register at boot time. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c index 987f7ec497cc..5869773f3dc4 100644 --- a/arch/sparc/kernel/btext.c +++ b/arch/sparc/kernel/btext.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Procedures for drawing on the screen early on in the boot process. * diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index 4696958299e9..38ae4fdc9eb4 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* central.c: Central FHC driver for Sunfire/Starfire/Wildfire. * * Copyright (C) 1997, 1999, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/cherrs.S b/arch/sparc/kernel/cherrs.S index 655628def68e..7f3d3d264390 100644 --- a/arch/sparc/kernel/cherrs.S +++ b/arch/sparc/kernel/cherrs.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* These get patched into the trap table at boot time * once we know we have a cheetah processor. */ diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c index e5611cd428f1..10eeb4f15b20 100644 --- a/arch/sparc/kernel/compat_audit.c +++ b/arch/sparc/kernel/compat_audit.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define __32bit_syscall_numbers__ #include <asm/unistd.h> #include "kernel.h" diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index ef4f18f7a674..4401dee30018 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* cpu.c: Dinky routines to look for the kind of Sparc cpu * we are on. * diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index 90d550bbfeef..d1d52822603d 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* cpumap.c: used for optimizing CPU assignment * * Copyright (C) 2009 Hong H. Pham <hong.pham@windriver.com> diff --git a/arch/sparc/kernel/cpumap.h b/arch/sparc/kernel/cpumap.h index 9dac398c434a..7d5b774862e7 100644 --- a/arch/sparc/kernel/cpumap.h +++ b/arch/sparc/kernel/cpumap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CPUMAP_H #define _CPUMAP_H diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c index 8d5d09f09caf..23b6e50d4ada 100644 --- a/arch/sparc/kernel/devices.c +++ b/arch/sparc/kernel/devices.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* devices.c: Initial scan of the prom device tree for important * Sparc device nodes which we need to find. * diff --git a/arch/sparc/kernel/dma.c b/arch/sparc/kernel/dma.c index b667aa6f28f6..f73e7597c971 100644 --- a/arch/sparc/kernel/dma.c +++ b/arch/sparc/kernel/dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/dma-mapping.h> #include <linux/dma-debug.h> diff --git a/arch/sparc/kernel/dtlb_miss.S b/arch/sparc/kernel/dtlb_miss.S index 09a6a15a7105..fb9c788437b0 100644 --- a/arch/sparc/kernel/dtlb_miss.S +++ b/arch/sparc/kernel/dtlb_miss.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* DTLB ** ICACHE line 1: Context 0 check and TSB load */ ldxa [%g0] ASI_DMMU_TSB_8KB_PTR, %g1 ! Get TSB 8K pointer ldxa [%g0] ASI_DMMU, %g6 ! Get TAG TARGET diff --git a/arch/sparc/kernel/dtlb_prot.S b/arch/sparc/kernel/dtlb_prot.S index 4087a62f96b0..9f945771bbd1 100644 --- a/arch/sparc/kernel/dtlb_prot.S +++ b/arch/sparc/kernel/dtlb_prot.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * dtlb_prot.S: DTLB protection trap strategy. * This is included directly into the trap table. diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index acf8314cec48..264b186478f3 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* ebus.c: EBUS DMA library code. * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index d85bdb999819..358fe4ef08a2 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* arch/sparc/kernel/entry.S: Sparc trap low-level entry points. * * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index 0f679421b468..7378567b601f 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ENTRY_H #define _ENTRY_H diff --git a/arch/sparc/kernel/etrap_32.S b/arch/sparc/kernel/etrap_32.S index e3e80d65e39a..9f243f918619 100644 --- a/arch/sparc/kernel/etrap_32.S +++ b/arch/sparc/kernel/etrap_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * etrap.S: Sparc trap window preparation for entry into the * Linux kernel. diff --git a/arch/sparc/kernel/etrap_64.S b/arch/sparc/kernel/etrap_64.S index 5c237467d156..5c77a2e0e991 100644 --- a/arch/sparc/kernel/etrap_64.S +++ b/arch/sparc/kernel/etrap_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * etrap.S: Preparing for entry into the kernel on Sparc V9. * diff --git a/arch/sparc/kernel/fpu_traps.S b/arch/sparc/kernel/fpu_traps.S index 336d2750fe78..051659e29c7a 100644 --- a/arch/sparc/kernel/fpu_traps.S +++ b/arch/sparc/kernel/fpu_traps.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* This is trivial with the new code... */ .globl do_fpdis .type do_fpdis,#function diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c index cec54dc4ab81..915dda4ae412 100644 --- a/arch/sparc/kernel/ftrace.c +++ b/arch/sparc/kernel/ftrace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/spinlock.h> #include <linux/hardirq.h> #include <linux/ftrace.h> diff --git a/arch/sparc/kernel/getsetcc.S b/arch/sparc/kernel/getsetcc.S index a14d272d2061..181e09fd1c55 100644 --- a/arch/sparc/kernel/getsetcc.S +++ b/arch/sparc/kernel/getsetcc.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .globl getcc .type getcc,#function getcc: diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index 7274e43ff9be..e55f2c075165 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * head.S: The initial boot code for the Sparc port of Linux. * diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 4de9fbd1a177..a41e6e16eb36 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* head.S: Initial boot code for the Sparc64 port of Linux. * * Copyright (C) 1996, 1997, 2007 David S. Miller (davem@davemloft.net) @@ -640,6 +641,8 @@ niagara4_patch: nop call niagara4_patch_pageops nop + call niagara4_patch_fls + nop ba,a,pt %xcc, 80f nop diff --git a/arch/sparc/kernel/hvapi.c b/arch/sparc/kernel/hvapi.c index d41ce33d87d6..a2bc1b2955b4 100644 --- a/arch/sparc/kernel/hvapi.c +++ b/arch/sparc/kernel/hvapi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* hvapi.c: Hypervisor API management. * * Copyright (C) 2007 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S index e57007ff7f8f..bdfd3d8c6707 100644 --- a/arch/sparc/kernel/hvcalls.S +++ b/arch/sparc/kernel/hvcalls.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* %o0: devhandle * %o1: devino * diff --git a/arch/sparc/kernel/hvtramp.S b/arch/sparc/kernel/hvtramp.S index cdbfec299f2f..f39220471b65 100644 --- a/arch/sparc/kernel/hvtramp.S +++ b/arch/sparc/kernel/hvtramp.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* hvtramp.S: Hypervisor start-cpu trampoline code. * * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/idprom.c b/arch/sparc/kernel/idprom.c index f95dd11b75ea..d6c46d512220 100644 --- a/arch/sparc/kernel/idprom.c +++ b/arch/sparc/kernel/idprom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * idprom.c: Routines to load the idprom into kernel addresses and * interpret the data contained within. diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index fcbcc031f615..b08dc3416f06 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* iommu.c: Generic sparc64 IOMMU support. * * Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/iommu_common.h b/arch/sparc/kernel/iommu_common.h index 5ea5c192b1d9..e3c02ba32500 100644 --- a/arch/sparc/kernel/iommu_common.h +++ b/arch/sparc/kernel/iommu_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* iommu_common.h: UltraSparc SBUS/PCI common iommu declarations. * * Copyright (C) 1999, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 12894f259bea..7eeef80c02f7 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ioport.c: Simple io mapping allocator. * diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h index 70a0b8ddd0ba..b02026ad6e34 100644 --- a/arch/sparc/kernel/irq.h +++ b/arch/sparc/kernel/irq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/platform_device.h> #include <asm/cpu_type.h> diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index cac4a5554c0e..e8452be5123b 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Interrupt request handling routines. On the * Sparc the IRQs are basically 'cast in stone' diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 99dd133a029f..d66dde833f5e 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* irq.c: UltraSparc IRQ handling/init/registry. * * Copyright (C) 1997, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/itlb_miss.S b/arch/sparc/kernel/itlb_miss.S index 5a8377b54955..5a5d92482e8d 100644 --- a/arch/sparc/kernel/itlb_miss.S +++ b/arch/sparc/kernel/itlb_miss.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ITLB ** ICACHE line 1: Context 0 check and TSB load */ ldxa [%g0] ASI_IMMU_TSB_8KB_PTR, %g1 ! Get TSB 8K pointer ldxa [%g0] ASI_IMMU, %g6 ! Get TAG TARGET diff --git a/arch/sparc/kernel/ivec.S b/arch/sparc/kernel/ivec.S index d29f92ebca5e..94ba2c3a29c1 100644 --- a/arch/sparc/kernel/ivec.S +++ b/arch/sparc/kernel/ivec.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* The registers for cross calls will be: * * DATA 0: [low 32-bits] Address of function to call, jmp to this diff --git a/arch/sparc/kernel/jump_label.c b/arch/sparc/kernel/jump_label.c index 93adde1ac166..7f8eac51df33 100644 --- a/arch/sparc/kernel/jump_label.c +++ b/arch/sparc/kernel/jump_label.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/types.h> #include <linux/mutex.h> diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index b625db4cfb78..ddffd368e057 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPARC_KERNEL_H #define __SPARC_KERNEL_H diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c index 6e8e318c57be..5868fc333ea8 100644 --- a/arch/sparc/kernel/kgdb_32.c +++ b/arch/sparc/kernel/kgdb_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* kgdb.c: KGDB support for 32-bit sparc. * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index cbf21d0870e0..d5f7dc6323d5 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* kgdb.c: KGDB support for 64-bit sparc. * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c index 2d13a4fc0384..ab4ba4347941 100644 --- a/arch/sparc/kernel/kprobes.c +++ b/arch/sparc/kernel/kprobes.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* arch/sparc64/kernel/kprobes.c * * Copyright (C) 2004 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/kstack.h b/arch/sparc/kernel/kstack.h index 53dfb92e09fb..b3c5e8f2443a 100644 --- a/arch/sparc/kernel/kstack.h +++ b/arch/sparc/kernel/kstack.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _KSTACK_H #define _KSTACK_H diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S index f22bec0db645..1cf91c05e275 100644 --- a/arch/sparc/kernel/ktlb.S +++ b/arch/sparc/kernel/ktlb.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling. * * Copyright (C) 1995, 1997, 2005, 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index acffbc894ab0..86b625f9d8dc 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* ldc.c: Logical Domain Channel link-layer protocol driver. * * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index e278bf52963b..519f5ba7ed7e 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -31,19 +31,20 @@ static inline void led_toggle(void) } static struct timer_list led_blink_timer; +static unsigned long led_blink_timer_timeout; -static void led_blink(unsigned long timeout) +static void led_blink(struct timer_list *unused) { + unsigned long timeout = led_blink_timer_timeout; + led_toggle(); /* reschedule */ if (!timeout) { /* blink according to load */ led_blink_timer.expires = jiffies + ((1 + (avenrun[0] >> FSHIFT)) * HZ); - led_blink_timer.data = 0; } else { /* blink at user specified interval */ led_blink_timer.expires = jiffies + (timeout * HZ); - led_blink_timer.data = timeout; } add_timer(&led_blink_timer); } @@ -88,9 +89,11 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer, } else if (!strcmp(buf, "toggle")) { led_toggle(); } else if ((*buf > '0') && (*buf <= '9')) { - led_blink(simple_strtoul(buf, NULL, 10)); + led_blink_timer_timeout = simple_strtoul(buf, NULL, 10); + led_blink(&led_blink_timer); } else if (!strcmp(buf, "load")) { - led_blink(0); + led_blink_timer_timeout = 0; + led_blink(&led_blink_timer); } else { auxio_set_led(AUXIO_LED_OFF); } @@ -115,8 +118,7 @@ static struct proc_dir_entry *led; static int __init led_init(void) { - init_timer(&led_blink_timer); - led_blink_timer.function = led_blink; + timer_setup(&led_blink_timer, led_blink, 0); led = proc_create("led", 0, NULL, &led_proc_fops); if (!led) diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index afcdd5e4f43f..84b233752f28 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c index 98c223edac84..15b59169c535 100644 --- a/arch/sparc/kernel/leon_pci.c +++ b/arch/sparc/kernel/leon_pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * leon_pci.c: LEON Host PCI support * diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c index 83ba5005d44c..e6935d0ac1ec 100644 --- a/arch/sparc/kernel/leon_pci_grpci1.c +++ b/arch/sparc/kernel/leon_pci_grpci1.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * leon_pci_grpci1.c: GRPCI1 Host PCI driver * diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c index ff0e5c90310f..ca22f93d9045 100644 --- a/arch/sparc/kernel/leon_pci_grpci2.c +++ b/arch/sparc/kernel/leon_pci_grpci2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * leon_pci_grpci2.c: GRPCI2 Host PCI driver * diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c index ddcf950282ed..065e2d4b7290 100644 --- a/arch/sparc/kernel/leon_pmc.c +++ b/arch/sparc/kernel/leon_pmc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* leon_pmc.c: LEON Power-down cpu_idle() handler * * Copyright (C) 2011 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index db7acf27bea2..da6f1486318e 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* leon_smp.c: Sparc-Leon SMP support. * * based on sun4m_smp.c diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index fa466ce45bc9..418592a09b41 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* mdesc.c: Sun4V machine description handling. * * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> @@ -12,6 +13,7 @@ #include <linux/miscdevice.h> #include <linux/bootmem.h> #include <linux/export.h> +#include <linux/refcount.h> #include <asm/cpudata.h> #include <asm/hypervisor.h> @@ -70,7 +72,7 @@ struct mdesc_handle { struct list_head list; struct mdesc_mem_ops *mops; void *self_base; - atomic_t refcnt; + refcount_t refcnt; unsigned int handle_size; struct mdesc_hdr mdesc; }; @@ -152,7 +154,7 @@ static void mdesc_handle_init(struct mdesc_handle *hp, memset(hp, 0, handle_size); INIT_LIST_HEAD(&hp->list); hp->self_base = base; - atomic_set(&hp->refcnt, 1); + refcount_set(&hp->refcnt, 1); hp->handle_size = handle_size; } @@ -182,7 +184,7 @@ static void __init mdesc_memblock_free(struct mdesc_handle *hp) unsigned int alloc_size; unsigned long start; - BUG_ON(atomic_read(&hp->refcnt) != 0); + BUG_ON(refcount_read(&hp->refcnt) != 0); BUG_ON(!list_empty(&hp->list)); alloc_size = PAGE_ALIGN(hp->handle_size); @@ -220,7 +222,7 @@ static struct mdesc_handle *mdesc_kmalloc(unsigned int mdesc_size) static void mdesc_kfree(struct mdesc_handle *hp) { - BUG_ON(atomic_read(&hp->refcnt) != 0); + BUG_ON(refcount_read(&hp->refcnt) != 0); BUG_ON(!list_empty(&hp->list)); kfree(hp->self_base); @@ -259,7 +261,7 @@ struct mdesc_handle *mdesc_grab(void) spin_lock_irqsave(&mdesc_lock, flags); hp = cur_mdesc; if (hp) - atomic_inc(&hp->refcnt); + refcount_inc(&hp->refcnt); spin_unlock_irqrestore(&mdesc_lock, flags); return hp; @@ -271,7 +273,7 @@ void mdesc_release(struct mdesc_handle *hp) unsigned long flags; spin_lock_irqsave(&mdesc_lock, flags); - if (atomic_dec_and_test(&hp->refcnt)) { + if (refcount_dec_and_test(&hp->refcnt)) { list_del_init(&hp->list); hp->mops->free(hp); } @@ -513,7 +515,7 @@ void mdesc_update(void) if (status != HV_EOK || real_len > len) { printk(KERN_ERR "MD: mdesc reread fails with %lu\n", status); - atomic_dec(&hp->refcnt); + refcount_dec(&hp->refcnt); mdesc_free(hp); goto out; } @@ -526,7 +528,7 @@ void mdesc_update(void) mdesc_notify_clients(orig_hp, hp); spin_lock_irqsave(&mdesc_lock, flags); - if (atomic_dec_and_test(&orig_hp->refcnt)) + if (refcount_dec_and_test(&orig_hp->refcnt)) mdesc_free(orig_hp); else list_add(&orig_hp->list, &mdesc_zombie_list); diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S index 9276d2f0dd86..b5c84177521e 100644 --- a/arch/sparc/kernel/misctrap.S +++ b/arch/sparc/kernel/misctrap.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_KGDB .globl arch_kgdb_breakpoint .type arch_kgdb_breakpoint,#function diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 192a617a32f3..df39580f398d 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Kernel module help for sparc64. * * Copyright (C) 2001 Rusty Russell. diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 185aa96fa5be..3641a294ed54 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/string.h> #include <linux/kernel.h> #include <linux/of.h> diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index 7bbdc26d9512..44e4d4435bed 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/string.h> #include <linux/kernel.h> #include <linux/of.h> diff --git a/arch/sparc/kernel/of_device_common.h b/arch/sparc/kernel/of_device_common.h index cdfd23992841..3d66230c61b6 100644 --- a/arch/sparc/kernel/of_device_common.h +++ b/arch/sparc/kernel/of_device_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _OF_DEVICE_COMMON_H #define _OF_DEVICE_COMMON_H diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 3f8670c92951..220d0f36560a 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci.c: UltraSparc PCI controller support. * * Copyright (C) 1997, 1998, 1999 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index 33524c1d5328..1e10fb26fa88 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_common.c: PCI controller common support. * * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c index 11a1f0d289d2..be71ae086622 100644 --- a/arch/sparc/kernel/pci_fire.c +++ b/arch/sparc/kernel/pci_fire.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_fire.c: Sun4u platform PCI-E controller support. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h index 37222ca849df..ac172961d276 100644 --- a/arch/sparc/kernel/pci_impl.h +++ b/arch/sparc/kernel/pci_impl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* pci_impl.h: Helper definitions for PCI controller support. * * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c index 84e16d81a6d8..1994d7638406 100644 --- a/arch/sparc/kernel/pci_msi.c +++ b/arch/sparc/kernel/pci_msi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_msi.c: Sparc64 MSI support common layer. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index 7dce27b3c761..f413371da387 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_psycho.c: PSYCHO/U2P specific PCI controller support. * * Copyright (C) 1997, 1998, 1999, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c index 00a616ffa35b..8107286be9ab 100644 --- a/arch/sparc/kernel/pci_sabre.c +++ b/arch/sparc/kernel/pci_sabre.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_sabre.c: Sabre specific PCI controller support. * * Copyright (C) 1997, 1998, 1999, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index c664d3e3aa8d..934b97c72f7c 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_schizo.c: SCHIZO/TOMATILLO specific PCI controller support. * * Copyright (C) 2001, 2002, 2003, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 9ebebf1fd93d..249367228c33 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pci_sun4v.c: SUN4V specific PCI controller support. * * Copyright (C) 2006, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_sun4v.h b/arch/sparc/kernel/pci_sun4v.h index 22603a4e48bf..d47263a9901a 100644 --- a/arch/sparc/kernel/pci_sun4v.h +++ b/arch/sparc/kernel/pci_sun4v.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* pci_sun4v.h: SUN4V specific PCI controller support. * * Copyright (C) 2006 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/pci_sun4v_asm.S b/arch/sparc/kernel/pci_sun4v_asm.S index 578f09657916..2b8051871a15 100644 --- a/arch/sparc/kernel/pci_sun4v_asm.S +++ b/arch/sparc/kernel/pci_sun4v_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* pci_sun4v_asm: Hypervisor calls for PCI support. * * Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index 4a133c052af8..22f8774977d5 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * pcic.c: MicroSPARC-IIep PCI controller support * diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 710f3278d448..5c1f54758312 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Performance event support for sparc64. * * Copyright (C) 2009, 2010 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 3b26cf62df6d..b5c1eb33b951 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* pmc - Driver implementation for power management functions * of Power Management Controller (PMC) on SPARCstation-Voyager. * diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c index 4b60f385c98f..92627abce311 100644 --- a/arch/sparc/kernel/power.c +++ b/arch/sparc/kernel/power.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* power.c: Power management driver. * * Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 9245f93398c7..d9662cf7e648 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* linux/arch/sparc/kernel/process.c * * Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 44e5da405f96..318efd784a0b 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* arch/sparc64/kernel/process.c * * Copyright (C) 1995, 1996, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h index 890281b12b28..26a1cca7c761 100644 --- a/arch/sparc/kernel/prom.h +++ b/arch/sparc/kernel/prom.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PROM_H #define __PROM_H diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c index 40e4936bd479..f3fecac7facb 100644 --- a/arch/sparc/kernel/prom_irqtrans.c +++ b/arch/sparc/kernel/prom_irqtrans.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/string.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index 8db48e808ed4..81aa91e5c0e6 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* psycho_common.c: Code common to PSYCHO and derivative PCI controllers. * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/psycho_common.h b/arch/sparc/kernel/psycho_common.h index 05a6e30a928e..6925231c50e4 100644 --- a/arch/sparc/kernel/psycho_common.h +++ b/arch/sparc/kernel/psycho_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PSYCHO_COMMON_H #define _PSYCHO_COMMON_H diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index eca3dc76793c..16b50afe7b52 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* ptrace.c: Sparc process tracing support. * * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/reboot.c b/arch/sparc/kernel/reboot.c index eba7d918162a..7933ee365207 100644 --- a/arch/sparc/kernel/reboot.c +++ b/arch/sparc/kernel/reboot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* reboot.c: reboot/shutdown/halt/poweroff handling * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/rtrap_32.S b/arch/sparc/kernel/rtrap_32.S index 6c34de0c2abd..dca8ed810046 100644 --- a/arch/sparc/kernel/rtrap_32.S +++ b/arch/sparc/kernel/rtrap_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * rtrap.S: Return from Sparc trap low-level code. * diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index dff86fad0a1f..0b21042ab181 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * rtrap.S: Preparing for return from trap on Sparc V9. * diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index be5bdf93c767..c133dfc37c5c 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sbus.c: UltraSparc SBUS controller support. * diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index 6722308d1a98..2e3a3e203061 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/sparc/kernel/setup.c * diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index db4c4d7e28a0..34f7a533a74f 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/sparc64/kernel/setup.c * diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 0e4c08c45a37..54a6159b9cd8 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* arch/sparc64/kernel/signal32.c * * Copyright (C) 1991, 1992 Linus Torvalds @@ -248,7 +249,6 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) compat_uptr_t fpu_save; compat_uptr_t rwin_save; sigset_t set; - compat_sigset_t seta; int err, i; /* Always make any pending restarted system calls return -EINTR */ @@ -311,7 +311,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) err |= __get_user(fpu_save, &sf->fpu_save); if (!err && fpu_save) err |= restore_fpu_state(regs, compat_ptr(fpu_save)); - err |= copy_from_user(&seta, &sf->mask, sizeof(compat_sigset_t)); + err |= get_compat_sigset(&set, &sf->mask); err |= compat_restore_altstack(&sf->stack); if (err) goto segv; @@ -322,7 +322,6 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs) goto segv; } - set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32); set_current_blocked(&set); return; segv: @@ -554,7 +553,6 @@ static int setup_rt_frame32(struct ksignal *ksig, struct pt_regs *regs, void __user *tail; int sigframe_size; u32 psr; - compat_sigset_t seta; /* 1. Make sure everything is clean */ synchronize_user_stack(); @@ -624,9 +622,7 @@ static int setup_rt_frame32(struct ksignal *ksig, struct pt_regs *regs, /* Setup sigaltstack */ err |= __compat_save_altstack(&sf->stack, regs->u_regs[UREG_FP]); - seta.sig[1] = (oldset->sig[0] >> 32); - seta.sig[0] = oldset->sig[0]; - err |= __copy_to_user(&sf->mask, &seta, sizeof(compat_sigset_t)); + err |= put_compat_sigset(&sf->mask, oldset, sizeof(compat_sigset_t)); if (!wsaved) { err |= copy_in_user((u32 __user *)sf, diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 62c3e255ae7c..5665261cee37 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* linux/arch/sparc/kernel/signal.c * * Copyright (C) 1991, 1992 Linus Torvalds diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index 965d50e833e7..20426a1c28f2 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc64/kernel/signal.c * diff --git a/arch/sparc/kernel/sigutil.h b/arch/sparc/kernel/sigutil.h index d223aa432bb6..21d332d8bddd 100644 --- a/arch/sparc/kernel/sigutil.h +++ b/arch/sparc/kernel/sigutil.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SIGUTIL_H #define _SIGUTIL_H diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c index e5fe8cef9a69..1e9fae56a853 100644 --- a/arch/sparc/kernel/sigutil_32.c +++ b/arch/sparc/kernel/sigutil_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/types.h> #include <linux/thread_info.h> diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c index 36aadcbeac69..512e4639e4a1 100644 --- a/arch/sparc/kernel/sigutil_64.c +++ b/arch/sparc/kernel/sigutil_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/types.h> #include <linux/thread_info.h> diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index e80e6ba3d500..e078680a1768 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* smp.c: Sparc SMP support. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 4898329970c5..c50182cd2f64 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* smp.c: Sparc64 SMP support. * * Copyright (C) 1997, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S index d7e540842809..5427af44099a 100644 --- a/arch/sparc/kernel/spiterrs.S +++ b/arch/sparc/kernel/spiterrs.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* We need to carefully read the error status, ACK the errors, * prevent recursive traps, and pass the information on to C * code for logging. diff --git a/arch/sparc/kernel/sstate.c b/arch/sparc/kernel/sstate.c index 3caed4023589..ac8677c3841e 100644 --- a/arch/sparc/kernel/sstate.c +++ b/arch/sparc/kernel/sstate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sstate.c: System soft state support. * * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/starfire.c b/arch/sparc/kernel/starfire.c index 167fdfd9c837..b8cd57d9182b 100644 --- a/arch/sparc/kernel/starfire.c +++ b/arch/sparc/kernel/starfire.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * starfire.c: Starfire/E10000 support. * diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index a87d0e47c168..d869d409fce6 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SS1000/SC2000 interrupt handling. * diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index af93b50e3ce4..ff30f03beb7c 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Sparc SS1000/SC2000 SMP support. * * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index aa84da0b2d30..c01767a0480e 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sun4m irq support * diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 5547fcb1d72d..228a6527082d 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sun4m SMP support. * diff --git a/arch/sparc/kernel/sun4v_ivec.S b/arch/sparc/kernel/sun4v_ivec.S index 34631995859a..6478ef4f6a15 100644 --- a/arch/sparc/kernel/sun4v_ivec.S +++ b/arch/sparc/kernel/sun4v_ivec.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* sun4v_ivec.S: Sun4v interrupt vector handling. * * Copyright (C) 2006 <davem@davemloft.net> diff --git a/arch/sparc/kernel/sun4v_tlb_miss.S b/arch/sparc/kernel/sun4v_tlb_miss.S index c19f352f46c7..7ac9f3367674 100644 --- a/arch/sparc/kernel/sun4v_tlb_miss.S +++ b/arch/sparc/kernel/sun4v_tlb_miss.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* sun4v_tlb_miss.S: Sun4v TLB miss handlers. * * Copyright (C) 2006 <davem@davemloft.net> diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index f834224208ed..7e7011a1e712 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * sys32.S: I-cache tricks for 32-bit compatibility layer simple * conversions. diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index bca44f3e6b86..6d964bdefbaa 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sys_sparc32.c: Conversion between 32bit and 64bit native syscalls. * * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) @@ -159,7 +160,6 @@ COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig, { struct k_sigaction new_ka, old_ka; int ret; - compat_sigset_t set32; /* XXX: Don't preclude handling different sized sigset_t's. */ if (sigsetsize != sizeof(compat_sigset_t)) @@ -171,8 +171,7 @@ COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig, new_ka.ka_restorer = restorer; ret = get_user(u_handler, &act->sa_handler); new_ka.sa.sa_handler = compat_ptr(u_handler); - ret |= copy_from_user(&set32, &act->sa_mask, sizeof(compat_sigset_t)); - sigset_from_compat(&new_ka.sa.sa_mask, &set32); + ret |= get_compat_sigset(&new_ka.sa.sa_mask, &act->sa_mask); ret |= get_user(new_ka.sa.sa_flags, &act->sa_flags); ret |= get_user(u_restorer, &act->sa_restorer); new_ka.sa.sa_restorer = compat_ptr(u_restorer); @@ -183,9 +182,9 @@ COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig, ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); if (!ret && oact) { - sigset_to_compat(&set32, &old_ka.sa.sa_mask); ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler); - ret |= copy_to_user(&oact->sa_mask, &set32, sizeof(compat_sigset_t)); + ret |= put_compat_sigset(&oact->sa_mask, &old_ka.sa.sa_mask, + sizeof(oact->sa_mask)); ret |= put_user(old_ka.sa.sa_flags, &oact->sa_flags); ret |= put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer); if (ret) diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index 7aecb239626d..990703b7cf4d 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* linux/arch/sparc/kernel/sys_sparc.c * * This file contains various random system calls that diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 043544d0cda3..55416db482ad 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* linux/arch/sparc64/kernel/sys_sparc.c * * This file contains various random system calls that diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index c4a1b5c40e4e..c5f9ec8c52eb 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* SunOS's execv() call only specifies the argv argument, the * environment settings are the same as the calling processes. */ diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c index 5fd352b759af..6d60d416f0dd 100644 --- a/arch/sparc/kernel/sysfs.c +++ b/arch/sparc/kernel/sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sysfs.c: Topology sysfs support code for sparc64. * * Copyright (C) 2007 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h index 2dab8236d490..5a01cfe19a0e 100644 --- a/arch/sparc/kernel/systbls.h +++ b/arch/sparc/kernel/systbls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SYSTBLS_H #define _SYSTBLS_H diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 5253e895b81b..731b25d572a1 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* systbls.S: System call entry point tables for OS compatibility. * The native Linux system call table lives here also. * diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 82339f6be0b2..293c1cb31262 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* systbls.S: System call entry point tables for OS compatibility. * The native Linux system call table lives here also. * diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 2ce2e7b2abbb..8a08830e4a65 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* linux/arch/sparc/kernel/time.c * * Copyright (C) 1995 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 564f0e46ffd4..2ef8cfa9677e 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* time.c: UltraSparc timer and TOD clock support. * * Copyright (C) 1997, 2008 David S. Miller (davem@davemloft.net) @@ -27,7 +28,6 @@ #include <linux/jiffies.h> #include <linux/cpufreq.h> #include <linux/percpu.h> -#include <linux/miscdevice.h> #include <linux/rtc/m48t59.h> #include <linux/kernel_stat.h> #include <linux/clockchips.h> @@ -53,6 +53,8 @@ DEFINE_SPINLOCK(rtc_lock); +unsigned int __read_mostly vdso_fix_stick; + #ifdef CONFIG_SMP unsigned long profile_pc(struct pt_regs *regs) { @@ -830,12 +832,17 @@ static void init_tick_ops(struct sparc64_tick_ops *ops) void __init time_init_early(void) { if (tlb_type == spitfire) { - if (is_hummingbird()) + if (is_hummingbird()) { init_tick_ops(&hbtick_operations); - else + clocksource_tick.archdata.vclock_mode = VCLOCK_NONE; + } else { init_tick_ops(&tick_operations); + clocksource_tick.archdata.vclock_mode = VCLOCK_TICK; + vdso_fix_stick = 1; + } } else { init_tick_ops(&stick_operations); + clocksource_tick.archdata.vclock_mode = VCLOCK_STICK; } } diff --git a/arch/sparc/kernel/trampoline_32.S b/arch/sparc/kernel/trampoline_32.S index 3eed99fc6989..82fafeeb3a62 100644 --- a/arch/sparc/kernel/trampoline_32.S +++ b/arch/sparc/kernel/trampoline_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * trampoline.S: SMP cpu boot-up trampoline code. * diff --git a/arch/sparc/kernel/trampoline_64.S b/arch/sparc/kernel/trampoline_64.S index 88ede1d53b4c..fe59122d257d 100644 --- a/arch/sparc/kernel/trampoline_64.S +++ b/arch/sparc/kernel/trampoline_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * trampoline.S: Jump start slave processors on sparc64. * diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c index 581cf35ee7e3..b1ed763e4787 100644 --- a/arch/sparc/kernel/traps_32.c +++ b/arch/sparc/kernel/traps_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc/kernel/traps.c * diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S index f74115364b1e..eaed39ce8938 100644 --- a/arch/sparc/kernel/tsb.S +++ b/arch/sparc/kernel/tsb.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* tsb.S: Sparc64 TSB table handling. * * Copyright (C) 2006 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/ttable_32.S b/arch/sparc/kernel/ttable_32.S index 8a7a96ca676f..e79fd786fbbb 100644 --- a/arch/sparc/kernel/ttable_32.S +++ b/arch/sparc/kernel/ttable_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* The Sparc trap table, bootloader gives us control at _start. */ __HEAD diff --git a/arch/sparc/kernel/ttable_64.S b/arch/sparc/kernel/ttable_64.S index efe93ab4a9c0..18685fe69b91 100644 --- a/arch/sparc/kernel/ttable_64.S +++ b/arch/sparc/kernel/ttable_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ttable.S: Sparc V9 Trap Table(s) with SpitFire/Cheetah/SUN4V extensions. * * Copyright (C) 1996, 2001, 2006 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/una_asm_32.S b/arch/sparc/kernel/una_asm_32.S index 8f096e84a937..f8bf839289fb 100644 --- a/arch/sparc/kernel/una_asm_32.S +++ b/arch/sparc/kernel/una_asm_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* una_asm.S: Kernel unaligned trap assembler helpers. * * Copyright (C) 1996,2005,2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/una_asm_64.S b/arch/sparc/kernel/una_asm_64.S index 1c8d33228b2a..e256f395e9f6 100644 --- a/arch/sparc/kernel/una_asm_64.S +++ b/arch/sparc/kernel/una_asm_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* una_asm.S: Kernel unaligned trap assembler helpers. * * Copyright (C) 1996,2005 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c index 8367dce5f41b..7642d7e4f0d9 100644 --- a/arch/sparc/kernel/unaligned_32.c +++ b/arch/sparc/kernel/unaligned_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * unaligned.c: Unaligned load/store trap handling with special * cases for the kernel to do them more quickly. diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index cda7fd367c4f..23db2efda570 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * unaligned.c: Unaligned load/store trap handling with special * cases for the kernel to do them more quickly. diff --git a/arch/sparc/kernel/urtt_fill.S b/arch/sparc/kernel/urtt_fill.S index 364af3250646..44183aa59168 100644 --- a/arch/sparc/kernel/urtt_fill.S +++ b/arch/sparc/kernel/urtt_fill.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/thread_info.h> #include <asm/trap_block.h> #include <asm/spitfire.h> diff --git a/arch/sparc/kernel/utrap.S b/arch/sparc/kernel/utrap.S index c731e8023d3e..7a2d9a9bea59 100644 --- a/arch/sparc/kernel/utrap.S +++ b/arch/sparc/kernel/utrap.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ .globl utrap_trap .type utrap_trap,#function utrap_trap: /* %g3=handler,%g4=level */ diff --git a/arch/sparc/kernel/vdso.c b/arch/sparc/kernel/vdso.c new file mode 100644 index 000000000000..58880662b271 --- /dev/null +++ b/arch/sparc/kernel/vdso.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2001 Andrea Arcangeli <andrea@suse.de> SuSE + * Copyright 2003 Andi Kleen, SuSE Labs. + * + * Thanks to hpa@transmeta.com for some useful hint. + * Special thanks to Ingo Molnar for his early experience with + * a different vsyscall implementation for Linux/IA32 and for the name. + */ + +#include <linux/seqlock.h> +#include <linux/time.h> +#include <linux/timekeeper_internal.h> + +#include <asm/vvar.h> + +void update_vsyscall_tz(void) +{ + if (unlikely(vvar_data == NULL)) + return; + + vvar_data->tz_minuteswest = sys_tz.tz_minuteswest; + vvar_data->tz_dsttime = sys_tz.tz_dsttime; +} + +void update_vsyscall(struct timekeeper *tk) +{ + struct vvar_data *vdata = vvar_data; + + if (unlikely(vdata == NULL)) + return; + + vvar_write_begin(vdata); + vdata->vclock_mode = tk->tkr_mono.clock->archdata.vclock_mode; + vdata->clock.cycle_last = tk->tkr_mono.cycle_last; + vdata->clock.mask = tk->tkr_mono.mask; + vdata->clock.mult = tk->tkr_mono.mult; + vdata->clock.shift = tk->tkr_mono.shift; + + vdata->wall_time_sec = tk->xtime_sec; + vdata->wall_time_snsec = tk->tkr_mono.xtime_nsec; + + vdata->monotonic_time_sec = tk->xtime_sec + + tk->wall_to_monotonic.tv_sec; + vdata->monotonic_time_snsec = tk->tkr_mono.xtime_nsec + + (tk->wall_to_monotonic.tv_nsec << + tk->tkr_mono.shift); + + while (vdata->monotonic_time_snsec >= + (((u64)NSEC_PER_SEC) << tk->tkr_mono.shift)) { + vdata->monotonic_time_snsec -= + ((u64)NSEC_PER_SEC) << tk->tkr_mono.shift; + vdata->monotonic_time_sec++; + } + + vdata->wall_time_coarse_sec = tk->xtime_sec; + vdata->wall_time_coarse_nsec = + (long)(tk->tkr_mono.xtime_nsec >> tk->tkr_mono.shift); + + vdata->monotonic_time_coarse_sec = + vdata->wall_time_coarse_sec + tk->wall_to_monotonic.tv_sec; + vdata->monotonic_time_coarse_nsec = + vdata->wall_time_coarse_nsec + tk->wall_to_monotonic.tv_nsec; + + while (vdata->monotonic_time_coarse_nsec >= NSEC_PER_SEC) { + vdata->monotonic_time_coarse_nsec -= NSEC_PER_SEC; + vdata->monotonic_time_coarse_sec++; + } + + vvar_write_end(vdata); +} diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index da1ac3f22b24..1a0fa10cb6b7 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* vio.c: Virtual I/O channel devices probing infrastructure. * * Copyright (c) 2003-2005 IBM Corp. diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c index dcd278f29573..635d67ffc9a3 100644 --- a/arch/sparc/kernel/viohs.c +++ b/arch/sparc/kernel/viohs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* viohs.c: LDOM Virtual I/O handshake helper layer. * * Copyright (C) 2007 David S. Miller <davem@davemloft.net> @@ -797,9 +798,9 @@ void vio_port_up(struct vio_driver_state *vio) } EXPORT_SYMBOL(vio_port_up); -static void vio_port_timer(unsigned long _arg) +static void vio_port_timer(struct timer_list *t) { - struct vio_driver_state *vio = (struct vio_driver_state *) _arg; + struct vio_driver_state *vio = from_timer(vio, t, timer); vio_port_up(vio); } @@ -848,7 +849,7 @@ int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev, vio->ops = ops; - setup_timer(&vio->timer, vio_port_timer, (unsigned long) vio); + timer_setup(&vio->timer, vio_port_timer, 0); return 0; } diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c index 8f35eea2103a..64ed80ed6cc2 100644 --- a/arch/sparc/kernel/visemul.c +++ b/arch/sparc/kernel/visemul.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* visemul.c: Emulation of VIS instructions. * * Copyright (C) 2006 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index d78847d56a4b..5a2344574f39 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ld script for sparc32/sparc64 kernel */ #include <asm-generic/vmlinux.lds.h> diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c index 435a467b0595..69a6ba6e9293 100644 --- a/arch/sparc/kernel/windows.c +++ b/arch/sparc/kernel/windows.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* windows.c: Routines to deal with register window management * at the C-code level. * diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S index 1ee173cc3c39..448accee090f 100644 --- a/arch/sparc/kernel/winfixup.S +++ b/arch/sparc/kernel/winfixup.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* winfixup.S: Handle cases where user stack pointer is found to be bogus. * * Copyright (C) 1997, 2006 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/wof.S b/arch/sparc/kernel/wof.S index 28a7bc69f82b..96a3a112423a 100644 --- a/arch/sparc/kernel/wof.S +++ b/arch/sparc/kernel/wof.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * wof.S: Sparc window overflow handler. * diff --git a/arch/sparc/kernel/wuf.S b/arch/sparc/kernel/wuf.S index 2c21cc59683e..1a4ca490e9c2 100644 --- a/arch/sparc/kernel/wuf.S +++ b/arch/sparc/kernel/wuf.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * wuf.S: Window underflow trap handler for the Sparc. * diff --git a/arch/sparc/lib/GENbzero.S b/arch/sparc/lib/GENbzero.S index 2fbf6297d57c..63d618857d49 100644 --- a/arch/sparc/lib/GENbzero.S +++ b/arch/sparc/lib/GENbzero.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* GENbzero.S: Generic sparc64 memset/clear_user. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S index 8aa16ef113f2..6891a5678ea3 100644 --- a/arch/sparc/lib/GENcopy_from_user.S +++ b/arch/sparc/lib/GENcopy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* GENcopy_from_user.S: Generic sparc64 copy from userspace. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/GENcopy_to_user.S b/arch/sparc/lib/GENcopy_to_user.S index 311c8fa5e98e..df75b532a934 100644 --- a/arch/sparc/lib/GENcopy_to_user.S +++ b/arch/sparc/lib/GENcopy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* GENcopy_to_user.S: Generic sparc64 copy to userspace. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/GENmemcpy.S b/arch/sparc/lib/GENmemcpy.S index 059ea24ad73d..114340a0d36e 100644 --- a/arch/sparc/lib/GENmemcpy.S +++ b/arch/sparc/lib/GENmemcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* GENmemcpy.S: Generic sparc64 memcpy. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/GENpage.S b/arch/sparc/lib/GENpage.S index 2ef9d05f21bc..c143c4d1de3f 100644 --- a/arch/sparc/lib/GENpage.S +++ b/arch/sparc/lib/GENpage.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* GENpage.S: Generic clear and copy page. * * Copyright (C) 2007 (davem@davemloft.net) diff --git a/arch/sparc/lib/GENpatch.S b/arch/sparc/lib/GENpatch.S index 95e2f1f9e477..1ec1f02c8b7b 100644 --- a/arch/sparc/lib/GENpatch.S +++ b/arch/sparc/lib/GENpatch.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* GENpatch.S: Patch Ultra-I routines with generic variant. * * Copyright (C) 2007 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index a1a2d39ec96e..0f0f76b4f6cd 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for Sparc library files.. # @@ -16,6 +17,9 @@ lib-$(CONFIG_SPARC64) += atomic_64.o lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o lib-$(CONFIG_SPARC64) += multi3.o +lib-$(CONFIG_SPARC64) += fls.o +lib-$(CONFIG_SPARC64) += fls64.o +obj-$(CONFIG_SPARC64) += NG4fls.o lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o lib-$(CONFIG_SPARC64) += csum_copy.o csum_copy_from_user.o csum_copy_to_user.o diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S index 0d8a018118c2..e57bc514f538 100644 --- a/arch/sparc/lib/NG2copy_from_user.S +++ b/arch/sparc/lib/NG2copy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG2copy_from_user.S: Niagara-2 optimized copy from userspace. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S index a7a0ea0d8a0b..367c0bf01518 100644 --- a/arch/sparc/lib/NG2copy_to_user.S +++ b/arch/sparc/lib/NG2copy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG2copy_to_user.S: Niagara-2 optimized copy to userspace. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index 64dcd6cdb606..bcb21b3a82f1 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG2memcpy.S: Niagara-2 optimized memcpy. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG2patch.S b/arch/sparc/lib/NG2patch.S index 56ccc19adde8..72431b24491a 100644 --- a/arch/sparc/lib/NG2patch.S +++ b/arch/sparc/lib/NG2patch.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG2patch.S: Patch Ultra-I routines with Niagara-2 variant. * * Copyright (C) 2007 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/lib/NG4clear_page.S b/arch/sparc/lib/NG4clear_page.S index e16c88204a42..97e2678d042a 100644 --- a/arch/sparc/lib/NG4clear_page.S +++ b/arch/sparc/lib/NG4clear_page.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4copy_page.S: Niagara-4 optimized clear page. * * Copyright (C) 2012 (davem@davemloft.net) diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S index 5bb506bd61fa..0cac15a6db3c 100644 --- a/arch/sparc/lib/NG4copy_from_user.S +++ b/arch/sparc/lib/NG4copy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4copy_from_user.S: Niagara-4 optimized copy from userspace. * * Copyright (C) 2012 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG4copy_page.S b/arch/sparc/lib/NG4copy_page.S index 28504e88c535..581062f8ba5f 100644 --- a/arch/sparc/lib/NG4copy_page.S +++ b/arch/sparc/lib/NG4copy_page.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4copy_page.S: Niagara-4 optimized copy page. * * Copyright (C) 2012 (davem@davemloft.net) diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S index a82d4d45fc1c..c5c9abb3cb77 100644 --- a/arch/sparc/lib/NG4copy_to_user.S +++ b/arch/sparc/lib/NG4copy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4copy_to_user.S: Niagara-4 optimized copy to userspace. * * Copyright (C) 2012 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG4fls.S b/arch/sparc/lib/NG4fls.S new file mode 100644 index 000000000000..2d0991e5b034 --- /dev/null +++ b/arch/sparc/lib/NG4fls.S @@ -0,0 +1,30 @@ +/* NG4fls.S: SPARC optimized fls and __fls for T4 and above. + * + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. + */ + +#include <linux/linkage.h> + +#define LZCNT_O0_G2 \ + .word 0x85b002e8 + + .text + .register %g2, #scratch + .register %g3, #scratch + +ENTRY(NG4fls) + LZCNT_O0_G2 !lzcnt %o0, %g2 + mov 64, %g3 + retl + sub %g3, %g2, %o0 +ENDPROC(NG4fls) + +ENTRY(__NG4fls) + brz,pn %o0, 1f + LZCNT_O0_G2 !lzcnt %o0, %g2 + mov 63, %g3 + sub %g3, %g2, %o0 +1: + retl + nop +ENDPROC(__NG4fls) diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index b5dacd1d2078..7ad58ebe0d00 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4memcpy.S: Niagara-4 optimized memcpy. * * Copyright (C) 2012 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG4memset.S b/arch/sparc/lib/NG4memset.S index 7c0c81f18837..f81ee5419e2c 100644 --- a/arch/sparc/lib/NG4memset.S +++ b/arch/sparc/lib/NG4memset.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4memset.S: Niagara-4 optimized memset/bzero. * * Copyright (C) 2012 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NG4patch.S b/arch/sparc/lib/NG4patch.S index 3cc0f8cc95df..37866175c921 100644 --- a/arch/sparc/lib/NG4patch.S +++ b/arch/sparc/lib/NG4patch.S @@ -1,8 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NG4patch.S: Patch Ultra-I routines with Niagara-4 variant. * * Copyright (C) 2012 David S. Miller <davem@davemloft.net> */ +#include <linux/linkage.h> + #define BRANCH_ALWAYS 0x10680000 #define NOP 0x01000000 #define NG_DO_PATCH(OLD, NEW) \ @@ -52,3 +55,10 @@ niagara4_patch_pageops: retl nop .size niagara4_patch_pageops,.-niagara4_patch_pageops + +ENTRY(niagara4_patch_fls) + NG_DO_PATCH(fls, NG4fls) + NG_DO_PATCH(__fls, __NG4fls) + retl + nop +ENDPROC(niagara4_patch_fls) diff --git a/arch/sparc/lib/NGbzero.S b/arch/sparc/lib/NGbzero.S index 33053bdf3766..19327614d57d 100644 --- a/arch/sparc/lib/NGbzero.S +++ b/arch/sparc/lib/NGbzero.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NGbzero.S: Niagara optimized memset/clear_user. * * Copyright (C) 2006 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NGcopy_from_user.S b/arch/sparc/lib/NGcopy_from_user.S index 2333b6f3e824..9abc49fcdbbe 100644 --- a/arch/sparc/lib/NGcopy_from_user.S +++ b/arch/sparc/lib/NGcopy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NGcopy_from_user.S: Niagara optimized copy from userspace. * * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NGcopy_to_user.S b/arch/sparc/lib/NGcopy_to_user.S index 07ba20bc4ea4..9cbe2f18e5cc 100644 --- a/arch/sparc/lib/NGcopy_to_user.S +++ b/arch/sparc/lib/NGcopy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NGcopy_to_user.S: Niagara optimized copy to userspace. * * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NGmemcpy.S b/arch/sparc/lib/NGmemcpy.S index cd654a719b27..8e4d22a6ba0b 100644 --- a/arch/sparc/lib/NGmemcpy.S +++ b/arch/sparc/lib/NGmemcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NGmemcpy.S: Niagara optimized memcpy. * * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/NGpage.S b/arch/sparc/lib/NGpage.S index 423d46e2258b..88fec7818065 100644 --- a/arch/sparc/lib/NGpage.S +++ b/arch/sparc/lib/NGpage.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NGpage.S: Niagara optimize clear and copy page. * * Copyright (C) 2006 (davem@davemloft.net) diff --git a/arch/sparc/lib/NGpatch.S b/arch/sparc/lib/NGpatch.S index 62ccda7e7b38..e9f843f1063e 100644 --- a/arch/sparc/lib/NGpatch.S +++ b/arch/sparc/lib/NGpatch.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* NGpatch.S: Patch Ultra-I routines with Niagara variant. * * Copyright (C) 2006 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/lib/PeeCeeI.c b/arch/sparc/lib/PeeCeeI.c index e6d183675990..cde4c9a51b2e 100644 --- a/arch/sparc/lib/PeeCeeI.c +++ b/arch/sparc/lib/PeeCeeI.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PeeCeeI.c: The emerging standard... * diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S index 9a6e68a9bf4a..bf08d1c78836 100644 --- a/arch/sparc/lib/U1copy_from_user.S +++ b/arch/sparc/lib/U1copy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U1copy_from_user.S: UltraSparc-I/II/IIi/IIe optimized copy from userspace. * * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S index d7b28491eddf..15169851e7ab 100644 --- a/arch/sparc/lib/U1copy_to_user.S +++ b/arch/sparc/lib/U1copy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U1copy_to_user.S: UltraSparc-I/II/IIi/IIe optimized copy to userspace. * * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S index 4f0d50b33a72..a6f4ee391897 100644 --- a/arch/sparc/lib/U1memcpy.S +++ b/arch/sparc/lib/U1memcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U1memcpy.S: UltraSPARC-I/II/IIi/IIe optimized memcpy. * * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S index db73010a1af8..9c891e9edc7b 100644 --- a/arch/sparc/lib/U3copy_from_user.S +++ b/arch/sparc/lib/U3copy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U3copy_from_user.S: UltraSparc-III optimized copy from userspace. * * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S index f48fb87fe9f2..da424608272c 100644 --- a/arch/sparc/lib/U3copy_to_user.S +++ b/arch/sparc/lib/U3copy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U3copy_to_user.S: UltraSparc-III optimized copy to userspace. * * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S index f9b42b3c63b0..9248d59c734c 100644 --- a/arch/sparc/lib/U3memcpy.S +++ b/arch/sparc/lib/U3memcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U3memcpy.S: UltraSparc-III optimized memcpy. * * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/U3patch.S b/arch/sparc/lib/U3patch.S index 91cd6539b6e1..9a888088f3c9 100644 --- a/arch/sparc/lib/U3patch.S +++ b/arch/sparc/lib/U3patch.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* U3patch.S: Patch Ultra-I routines with Ultra-III variant. * * Copyright (C) 2004 David S. Miller <davem@redhat.com> diff --git a/arch/sparc/lib/VISsave.S b/arch/sparc/lib/VISsave.S index 1c7b6a39b942..9c8eb2017d5b 100644 --- a/arch/sparc/lib/VISsave.S +++ b/arch/sparc/lib/VISsave.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * VISsave.S: Code for saving FPU register state for * VIS routines. One should not call this directly, diff --git a/arch/sparc/lib/ashldi3.S b/arch/sparc/lib/ashldi3.S index c8b1cf71bc73..2d72de88af90 100644 --- a/arch/sparc/lib/ashldi3.S +++ b/arch/sparc/lib/ashldi3.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ashldi3.S: GCC emits these for certain drivers playing * with long longs. diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S index 4310256e7964..05dfda9f5005 100644 --- a/arch/sparc/lib/ashrdi3.S +++ b/arch/sparc/lib/ashrdi3.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ashrdi3.S: The filesystem code creates all kinds of references to * this little routine on the sparc with gcc. diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index 2c373329d5cb..465a901a0ada 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * atomic32.c: 32-bit atomic_t implementation * @@ -172,6 +173,20 @@ unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new) } EXPORT_SYMBOL(__cmpxchg_u32); +u64 __cmpxchg_u64(u64 *ptr, u64 old, u64 new) +{ + unsigned long flags; + u64 prev; + + spin_lock_irqsave(ATOMIC_HASH(ptr), flags); + if ((prev = *ptr) == old) + *ptr = new; + spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags); + + return prev; +} +EXPORT_SYMBOL(__cmpxchg_u64); + unsigned long __xchg_u32(volatile u32 *ptr, u32 new) { unsigned long flags; diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S index ce17c3094ba6..456b65a30ecf 100644 --- a/arch/sparc/lib/atomic_64.S +++ b/arch/sparc/lib/atomic_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* atomic.S: These things are too big to do inline. * * Copyright (C) 1999, 2007 2012 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c index 8ec4e9c0251a..32a5c1d9459c 100644 --- a/arch/sparc/lib/bitext.c +++ b/arch/sparc/lib/bitext.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bitext.c: kernel little helper (of bit shuffling variety). * diff --git a/arch/sparc/lib/bitops.S b/arch/sparc/lib/bitops.S index 7031bf1587cb..9d647f977618 100644 --- a/arch/sparc/lib/bitops.S +++ b/arch/sparc/lib/bitops.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* bitops.S: Sparc64 atomic bit operations. * * Copyright (C) 2000, 2007 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/blockops.S b/arch/sparc/lib/blockops.S index 1f2692d59d18..76ddd1ff6833 100644 --- a/arch/sparc/lib/blockops.S +++ b/arch/sparc/lib/blockops.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * blockops.S: Common block zero optimized routines. * diff --git a/arch/sparc/lib/bzero.S b/arch/sparc/lib/bzero.S index 3bb1914c4fa4..87fec4cbe10c 100644 --- a/arch/sparc/lib/bzero.S +++ b/arch/sparc/lib/bzero.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* bzero.S: Simple prefetching memset, bzero, and clear_user * implementations. * diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S index c9d8b6232111..6a5469c97246 100644 --- a/arch/sparc/lib/checksum_32.S +++ b/arch/sparc/lib/checksum_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* checksum.S: Sparc optimized checksum code. * * Copyright(C) 1995 Linus Torvalds diff --git a/arch/sparc/lib/checksum_64.S b/arch/sparc/lib/checksum_64.S index 6cfa521f444d..9700ef1730df 100644 --- a/arch/sparc/lib/checksum_64.S +++ b/arch/sparc/lib/checksum_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* checksum.S: Sparc V9 optimized checksum code. * * Copyright(C) 1995 Linus Torvalds diff --git a/arch/sparc/lib/clear_page.S b/arch/sparc/lib/clear_page.S index f30d6b78afbd..8a6c783a6301 100644 --- a/arch/sparc/lib/clear_page.S +++ b/arch/sparc/lib/clear_page.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* clear_page.S: UltraSparc optimized clear page. * * Copyright (C) 1996, 1998, 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/cmpdi2.c b/arch/sparc/lib/cmpdi2.c index 8c1306437ed1..333367fe7353 100644 --- a/arch/sparc/lib/cmpdi2.c +++ b/arch/sparc/lib/cmpdi2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include "libgcc.h" diff --git a/arch/sparc/lib/copy_in_user.S b/arch/sparc/lib/copy_in_user.S index 1b73bb80aeb0..66e90bf528e2 100644 --- a/arch/sparc/lib/copy_in_user.S +++ b/arch/sparc/lib/copy_in_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* copy_in_user.S: Copy from userspace to userspace. * * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/copy_page.S b/arch/sparc/lib/copy_page.S index 7197b7250895..c088e871e8e3 100644 --- a/arch/sparc/lib/copy_page.S +++ b/arch/sparc/lib/copy_page.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* clear_page.S: UltraSparc optimized copy page. * * Copyright (C) 1996, 1998, 1999, 2000, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/copy_user.S b/arch/sparc/lib/copy_user.S index bc243ee807cc..dc72f2b970b7 100644 --- a/arch/sparc/lib/copy_user.S +++ b/arch/sparc/lib/copy_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* copy_user.S: Sparc optimized copy_from_user and copy_to_user code. * * Copyright(C) 1995 Linus Torvalds diff --git a/arch/sparc/lib/csum_copy.S b/arch/sparc/lib/csum_copy.S index b1051e77c49a..26c644ba3ecb 100644 --- a/arch/sparc/lib/csum_copy.S +++ b/arch/sparc/lib/csum_copy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* csum_copy.S: Checksum+copy code for sparc64 * * Copyright (C) 2005 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/lib/csum_copy_from_user.S b/arch/sparc/lib/csum_copy_from_user.S index e0304e6a2242..d20b9594f0c7 100644 --- a/arch/sparc/lib/csum_copy_from_user.S +++ b/arch/sparc/lib/csum_copy_from_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* csum_copy_from_user.S: Checksum+copy from userspace. * * Copyright (C) 2005 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/csum_copy_to_user.S b/arch/sparc/lib/csum_copy_to_user.S index afd01acc587c..d71c0c81e8ab 100644 --- a/arch/sparc/lib/csum_copy_to_user.S +++ b/arch/sparc/lib/csum_copy_to_user.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* csum_copy_to_user.S: Checksum+copy to userspace. * * Copyright (C) 2005 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/lib/ffs.S b/arch/sparc/lib/ffs.S index 23aab144d28e..5a11d864fa05 100644 --- a/arch/sparc/lib/ffs.S +++ b/arch/sparc/lib/ffs.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/sparc/lib/fls.S b/arch/sparc/lib/fls.S new file mode 100644 index 000000000000..06b8d300bcae --- /dev/null +++ b/arch/sparc/lib/fls.S @@ -0,0 +1,67 @@ +/* fls.S: SPARC default fls definition. + * + * SPARC default fls definition, which follows the same algorithm as + * in generic fls(). This function will be boot time patched on T4 + * and onward. + */ + +#include <linux/linkage.h> +#include <asm/export.h> + + .text + .register %g2, #scratch + .register %g3, #scratch +ENTRY(fls) + brz,pn %o0, 6f + mov 0, %o1 + sethi %hi(0xffff0000), %g3 + mov %o0, %g2 + andcc %o0, %g3, %g0 + be,pt %icc, 8f + mov 32, %o1 + sethi %hi(0xff000000), %g3 + andcc %g2, %g3, %g0 + bne,pt %icc, 3f + sethi %hi(0xf0000000), %g3 + sll %o0, 8, %o0 +1: + add %o1, -8, %o1 + sra %o0, 0, %o0 + mov %o0, %g2 +2: + sethi %hi(0xf0000000), %g3 +3: + andcc %g2, %g3, %g0 + bne,pt %icc, 4f + sethi %hi(0xc0000000), %g3 + sll %o0, 4, %o0 + add %o1, -4, %o1 + sra %o0, 0, %o0 + mov %o0, %g2 +4: + andcc %g2, %g3, %g0 + be,a,pt %icc, 7f + sll %o0, 2, %o0 +5: + xnor %g0, %o0, %o0 + srl %o0, 31, %o0 + sub %o1, %o0, %o1 +6: + jmp %o7 + 8 + sra %o1, 0, %o0 +7: + add %o1, -2, %o1 + ba,pt %xcc, 5b + sra %o0, 0, %o0 +8: + sll %o0, 16, %o0 + sethi %hi(0xff000000), %g3 + sra %o0, 0, %o0 + mov %o0, %g2 + andcc %g2, %g3, %g0 + bne,pt %icc, 2b + mov 16, %o1 + ba,pt %xcc, 1b + sll %o0, 8, %o0 +ENDPROC(fls) +EXPORT_SYMBOL(fls) diff --git a/arch/sparc/lib/fls64.S b/arch/sparc/lib/fls64.S new file mode 100644 index 000000000000..c83e22ae9586 --- /dev/null +++ b/arch/sparc/lib/fls64.S @@ -0,0 +1,61 @@ +/* fls64.S: SPARC default __fls definition. + * + * SPARC default __fls definition, which follows the same algorithm as + * in generic __fls(). This function will be boot time patched on T4 + * and onward. + */ + +#include <linux/linkage.h> +#include <asm/export.h> + + .text + .register %g2, #scratch + .register %g3, #scratch +ENTRY(__fls) + mov -1, %g2 + sllx %g2, 32, %g2 + and %o0, %g2, %g2 + brnz,pt %g2, 1f + mov 63, %g1 + sllx %o0, 32, %o0 + mov 31, %g1 +1: + mov -1, %g2 + sllx %g2, 48, %g2 + and %o0, %g2, %g2 + brnz,pt %g2, 2f + mov -1, %g2 + sllx %o0, 16, %o0 + add %g1, -16, %g1 +2: + mov -1, %g2 + sllx %g2, 56, %g2 + and %o0, %g2, %g2 + brnz,pt %g2, 3f + mov -1, %g2 + sllx %o0, 8, %o0 + add %g1, -8, %g1 +3: + sllx %g2, 60, %g2 + and %o0, %g2, %g2 + brnz,pt %g2, 4f + mov -1, %g2 + sllx %o0, 4, %o0 + add %g1, -4, %g1 +4: + sllx %g2, 62, %g2 + and %o0, %g2, %g2 + brnz,pt %g2, 5f + mov -1, %g3 + sllx %o0, 2, %o0 + add %g1, -2, %g1 +5: + mov 0, %g2 + sllx %g3, 63, %g3 + and %o0, %g3, %o0 + movre %o0, 1, %g2 + sub %g1, %g2, %g1 + jmp %o7+8 + sra %g1, 0, %o0 +ENDPROC(__fls) +EXPORT_SYMBOL(__fls) diff --git a/arch/sparc/lib/hweight.S b/arch/sparc/lib/hweight.S index d21cf20e5c1e..e5547b22cd18 100644 --- a/arch/sparc/lib/hweight.S +++ b/arch/sparc/lib/hweight.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c index c4d42a50ebc0..c9da9f139694 100644 --- a/arch/sparc/lib/iomap.c +++ b/arch/sparc/lib/iomap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Implement the sparc iomap interfaces */ diff --git a/arch/sparc/lib/ipcsum.S b/arch/sparc/lib/ipcsum.S index 5d61648b53dd..531d89c9d5d9 100644 --- a/arch/sparc/lib/ipcsum.S +++ b/arch/sparc/lib/ipcsum.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/sparc/lib/libgcc.h b/arch/sparc/lib/libgcc.h index b84fd797f3ea..79845c941b87 100644 --- a/arch/sparc/lib/libgcc.h +++ b/arch/sparc/lib/libgcc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_LIBGCC_H #define __ASM_LIBGCC_H diff --git a/arch/sparc/lib/locks.S b/arch/sparc/lib/locks.S index f38c4e59d078..9a1289a3fb28 100644 --- a/arch/sparc/lib/locks.S +++ b/arch/sparc/lib/locks.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * locks.S: SMP low-level lock primitives on Sparc. * diff --git a/arch/sparc/lib/lshrdi3.S b/arch/sparc/lib/lshrdi3.S index c9b9373f8d81..509ca6682da8 100644 --- a/arch/sparc/lib/lshrdi3.S +++ b/arch/sparc/lib/lshrdi3.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/sparc/lib/mcount.S b/arch/sparc/lib/mcount.S index 194f383611c0..deba6fa0bc78 100644 --- a/arch/sparc/lib/mcount.S +++ b/arch/sparc/lib/mcount.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com) * diff --git a/arch/sparc/lib/memcmp.S b/arch/sparc/lib/memcmp.S index cee7f30dbb61..a18076ef5af1 100644 --- a/arch/sparc/lib/memcmp.S +++ b/arch/sparc/lib/memcmp.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Sparc optimized memcmp code. * * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S index 8913feaa7ac7..ee823d8c9215 100644 --- a/arch/sparc/lib/memcpy.S +++ b/arch/sparc/lib/memcpy.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* memcpy.S: Sparc optimized memcpy and memmove code * Hand optimized from GNU libc's memcpy and memmove * Copyright (C) 1991,1996 Free Software Foundation diff --git a/arch/sparc/lib/memmove.S b/arch/sparc/lib/memmove.S index 012cdb6ca467..3132b6316144 100644 --- a/arch/sparc/lib/memmove.S +++ b/arch/sparc/lib/memmove.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* memmove.S: Simple memmove implementation. * * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/lib/memscan_32.S b/arch/sparc/lib/memscan_32.S index 51ce690c42a8..c4c2d5b3a2e9 100644 --- a/arch/sparc/lib/memscan_32.S +++ b/arch/sparc/lib/memscan_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * memscan.S: Optimized memscan for the Sparc. * diff --git a/arch/sparc/lib/memscan_64.S b/arch/sparc/lib/memscan_64.S index 5efee1f4be36..36dd638905c3 100644 --- a/arch/sparc/lib/memscan_64.S +++ b/arch/sparc/lib/memscan_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * memscan.S: Optimized memscan for Sparc64. * diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S index e23338dbfc43..b89d42b29e34 100644 --- a/arch/sparc/lib/memset.S +++ b/arch/sparc/lib/memset.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* linux/arch/sparc/lib/memset.S: Sparc optimized memset, bzero and clear_user code * Copyright (C) 1991,1996 Free Software Foundation * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/lib/multi3.S b/arch/sparc/lib/multi3.S index 703127aaf4a5..2f187b299345 100644 --- a/arch/sparc/lib/multi3.S +++ b/arch/sparc/lib/multi3.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/sparc/lib/strlen.S b/arch/sparc/lib/strlen.S index ca0e7077e871..dd111bbad5df 100644 --- a/arch/sparc/lib/strlen.S +++ b/arch/sparc/lib/strlen.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* strlen.S: Sparc optimized strlen code * Hand optimized from GNU libc's strlen * Copyright (C) 1991,1996 Free Software Foundation diff --git a/arch/sparc/lib/strncmp_32.S b/arch/sparc/lib/strncmp_32.S index e3fe014813af..794733f036b6 100644 --- a/arch/sparc/lib/strncmp_32.S +++ b/arch/sparc/lib/strncmp_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * strncmp.S: Hand optimized Sparc assembly of GCC output from GNU libc * generic strncmp routine. diff --git a/arch/sparc/lib/strncmp_64.S b/arch/sparc/lib/strncmp_64.S index efb5f884330d..3d37d65f674c 100644 --- a/arch/sparc/lib/strncmp_64.S +++ b/arch/sparc/lib/strncmp_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Sparc64 optimized strncmp code. * diff --git a/arch/sparc/lib/ucmpdi2.c b/arch/sparc/lib/ucmpdi2.c index 1e06ed500682..82c1cccb1264 100644 --- a/arch/sparc/lib/ucmpdi2.c +++ b/arch/sparc/lib/ucmpdi2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include "libgcc.h" diff --git a/arch/sparc/lib/xor.S b/arch/sparc/lib/xor.S index 45a49cb618b5..f6af7c7ee6fc 100644 --- a/arch/sparc/lib/xor.S +++ b/arch/sparc/lib/xor.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/sparc64/lib/xor.S * diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c index 4d7e0fff054f..72e560ef4a09 100644 --- a/arch/sparc/math-emu/math_32.c +++ b/arch/sparc/math-emu/math_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc/math-emu/math.c * diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c index 9647051853d3..1379dee26a65 100644 --- a/arch/sparc/math-emu/math_64.c +++ b/arch/sparc/math-emu/math_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc64/math-emu/math.c * diff --git a/arch/sparc/math-emu/sfp-util_32.h b/arch/sparc/math-emu/sfp-util_32.h index bb587d5f3d9d..b57375ff28ee 100644 --- a/arch/sparc/math-emu/sfp-util_32.h +++ b/arch/sparc/math-emu/sfp-util_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/types.h> diff --git a/arch/sparc/math-emu/sfp-util_64.h b/arch/sparc/math-emu/sfp-util_64.h index 51320a861cc2..8fdb55aae9c8 100644 --- a/arch/sparc/math-emu/sfp-util_64.h +++ b/arch/sparc/math-emu/sfp-util_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/sparc64/math-emu/sfp-util.h * diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index 30c3eccfdf5a..d39075b1e3b7 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the linux Sparc-specific parts of the memory manager. # diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c index 2422511dc8c5..241b40641873 100644 --- a/arch/sparc/mm/extable.c +++ b/arch/sparc/mm/extable.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/sparc/mm/extable.c */ diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index 4714061d6cd3..be3136f142a9 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * fault.c: Page fault handlers for the Sparc. * diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index b84c4dd14954..815c03d7a765 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc64/mm/fault.c: Page fault handlers for the 64-bit Sparc. * diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index d809099ffd47..5335ba3c850e 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Lockless get_user_pages_fast for sparc, cribbed from powerpc * diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c index a454ec5ff07a..86bc2a58d26c 100644 --- a/arch/sparc/mm/highmem.c +++ b/arch/sparc/mm/highmem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * highmem.c: virtual kernel memory mappings for high memory * diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index bcd8cdbc377f..0112d6942288 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SPARC64 Huge TLB page support. * @@ -396,7 +397,7 @@ static void hugetlb_free_pte_range(struct mmu_gather *tlb, pmd_t *pmd, pmd_clear(pmd); pte_free_tlb(tlb, token, addr); - atomic_long_dec(&tlb->mm->nr_ptes); + mm_dec_nr_ptes(tlb->mm); } static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, @@ -471,6 +472,7 @@ static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, pud = pud_offset(pgd, start); pgd_clear(pgd); pud_free_tlb(tlb, pud, start); + mm_dec_nr_puds(tlb->mm); } void hugetlb_free_pgd_range(struct mmu_gather *tlb, diff --git a/arch/sparc/mm/hypersparc.S b/arch/sparc/mm/hypersparc.S index 969f96450f69..66885a8dc50a 100644 --- a/arch/sparc/mm/hypersparc.S +++ b/arch/sparc/mm/hypersparc.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * hypersparc.S: High speed Hypersparc mmu/cache operations. * diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index 3bd0d513bddb..95fe4f081ba3 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/sparc/mm/init.c * diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index b2ba410b26f4..55ba62957e64 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc64/mm/init.c * @@ -2539,10 +2540,17 @@ void __init mem_init(void) { high_memory = __va(last_valid_pfn << PAGE_SHIFT); - register_page_bootmem_info(); free_all_bootmem(); /* + * Must be done after boot memory is put on freelist, because here we + * might set fields in deferred struct pages that have not yet been + * initialized, and free_all_bootmem() initializes all the reserved + * deferred pages for us. + */ + register_page_bootmem_info(); + + /* * Set up the zero page, mark it reserved, so that page count * is not manipulated when freeing the page from user ptes. */ @@ -2636,30 +2644,19 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend, vstart = vstart & PMD_MASK; vend = ALIGN(vend, PMD_SIZE); for (; vstart < vend; vstart += PMD_SIZE) { - pgd_t *pgd = pgd_offset_k(vstart); + pgd_t *pgd = vmemmap_pgd_populate(vstart, node); unsigned long pte; pud_t *pud; pmd_t *pmd; - if (pgd_none(*pgd)) { - pud_t *new = vmemmap_alloc_block(PAGE_SIZE, node); - - if (!new) - return -ENOMEM; - pgd_populate(&init_mm, pgd, new); - } - - pud = pud_offset(pgd, vstart); - if (pud_none(*pud)) { - pmd_t *new = vmemmap_alloc_block(PAGE_SIZE, node); + if (!pgd) + return -ENOMEM; - if (!new) - return -ENOMEM; - pud_populate(&init_mm, pud, new); - } + pud = vmemmap_pud_populate(pgd, vstart, node); + if (!pud) + return -ENOMEM; pmd = pmd_offset(pud, vstart); - pte = pmd_val(*pmd); if (!(pte & _PAGE_VALID)) { void *block = vmemmap_alloc_block(PMD_SIZE, node); @@ -2926,7 +2923,7 @@ void __flush_tlb_all(void) pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); + struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO); pte_t *pte = NULL; if (page) @@ -2938,11 +2935,11 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { - struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); + struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO); if (!page) return NULL; if (!pgtable_page_ctor(page)) { - free_hot_cold_page(page, 0); + free_unref_page(page); return NULL; } return (pte_t *) page_address(page); diff --git a/arch/sparc/mm/init_64.h b/arch/sparc/mm/init_64.h index a4c09603b05c..d920a75b5f14 100644 --- a/arch/sparc/mm/init_64.h +++ b/arch/sparc/mm/init_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_MM_INIT_H #define _SPARC64_MM_INIT_H diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index 338fb71535de..c8cb27d3ea75 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * io-unit.c: IO-UNIT specific routines for memory management. * diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c index 491511d37e37..2c5f8a648f8c 100644 --- a/arch/sparc/mm/iommu.c +++ b/arch/sparc/mm/iommu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * iommu.c: IOMMU specific routines for memory management. * diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c index 3b17b6f7895a..ec61ff1f96b7 100644 --- a/arch/sparc/mm/leon_mm.c +++ b/arch/sparc/mm/leon_mm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/sparc/mm/leon_m.c * diff --git a/arch/sparc/mm/mm_32.h b/arch/sparc/mm/mm_32.h index a6c27ca9a721..0d0b06e952a5 100644 --- a/arch/sparc/mm/mm_32.h +++ b/arch/sparc/mm/mm_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* fault_32.c - visible as they are called from assembler */ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc, unsigned long address); diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 8e76ebba2986..1d70c3f6d986 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * srmmu.c: SRMMU specific routines for memory management. * diff --git a/arch/sparc/mm/srmmu_access.S b/arch/sparc/mm/srmmu_access.S index d0a67b2c2383..d8d2e644a5ca 100644 --- a/arch/sparc/mm/srmmu_access.S +++ b/arch/sparc/mm/srmmu_access.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Assembler variants of srmmu access functions. * Implemented in assembler to allow run-time patching. * LEON uses a different ASI for MMUREGS than SUN. diff --git a/arch/sparc/mm/swift.S b/arch/sparc/mm/swift.S index 5d2b88d39424..f414bfd8d899 100644 --- a/arch/sparc/mm/swift.S +++ b/arch/sparc/mm/swift.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * swift.S: MicroSparc-II mmu/cache operations. * diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index ee8066c3d96c..4ae86bc0d35c 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* arch/sparc64/mm/tlb.c * * Copyright (C) 2004 David S. Miller <davem@redhat.com> diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 0d4b998c7d7b..75a04c1a2383 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* arch/sparc64/mm/tsb.c * * Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/mm/tsunami.S b/arch/sparc/mm/tsunami.S index bf10a345fa8b..62b742df65dc 100644 --- a/arch/sparc/mm/tsunami.S +++ b/arch/sparc/mm/tsunami.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * tsunami.S: High speed MicroSparc-I mmu/cache operations. * diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S index fcf4d27a38fb..d245f89d1395 100644 --- a/arch/sparc/mm/ultra.S +++ b/arch/sparc/mm/ultra.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ultra.S: Don't expand these all over the place... * diff --git a/arch/sparc/mm/viking.S b/arch/sparc/mm/viking.S index 852257fcc82b..adaef6e7b8cf 100644 --- a/arch/sparc/mm/viking.S +++ b/arch/sparc/mm/viking.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * viking.S: High speed Viking cache/mmu operations * diff --git a/arch/sparc/net/bpf_jit_32.h b/arch/sparc/net/bpf_jit_32.h index d5c069bff5f9..cfd6a8be0eb4 100644 --- a/arch/sparc/net/bpf_jit_32.h +++ b/arch/sparc/net/bpf_jit_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BPF_JIT_H #define _BPF_JIT_H diff --git a/arch/sparc/net/bpf_jit_64.h b/arch/sparc/net/bpf_jit_64.h index 74abd45796ea..428f7fd19175 100644 --- a/arch/sparc/net/bpf_jit_64.h +++ b/arch/sparc/net/bpf_jit_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BPF_JIT_H #define _BPF_JIT_H diff --git a/arch/sparc/net/bpf_jit_asm_32.S b/arch/sparc/net/bpf_jit_asm_32.S index dcc402f5738a..a2e28e0464a3 100644 --- a/arch/sparc/net/bpf_jit_asm_32.S +++ b/arch/sparc/net/bpf_jit_asm_32.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/ptrace.h> #include "bpf_jit_32.h" diff --git a/arch/sparc/net/bpf_jit_asm_64.S b/arch/sparc/net/bpf_jit_asm_64.S index 3b3f14655f81..7177867052a1 100644 --- a/arch/sparc/net/bpf_jit_asm_64.S +++ b/arch/sparc/net/bpf_jit_asm_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm/ptrace.h> #include "bpf_jit_64.h" diff --git a/arch/sparc/net/bpf_jit_comp_32.c b/arch/sparc/net/bpf_jit_comp_32.c index d193748548e2..09e318eb34ee 100644 --- a/arch/sparc/net/bpf_jit_comp_32.c +++ b/arch/sparc/net/bpf_jit_comp_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/moduleloader.h> #include <linux/workqueue.h> #include <linux/netdevice.h> diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c index c340af7b1371..5765e7e711f7 100644 --- a/arch/sparc/net/bpf_jit_comp_64.c +++ b/arch/sparc/net/bpf_jit_comp_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/moduleloader.h> #include <linux/workqueue.h> #include <linux/netdevice.h> diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c index df707a8ad311..47b06f4af1f9 100644 --- a/arch/sparc/power/hibernate.c +++ b/arch/sparc/power/hibernate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * hibernate.c: Hibernaton support specific for sparc64. * diff --git a/arch/sparc/power/hibernate_asm.S b/arch/sparc/power/hibernate_asm.S index d7d9017dcb15..8cfaf5b6a32e 100644 --- a/arch/sparc/power/hibernate_asm.S +++ b/arch/sparc/power/hibernate_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * hibernate_asm.S: Hibernaton support specific for sparc64. * diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile index 020300b18c0b..397b79af77f7 100644 --- a/arch/sparc/prom/Makefile +++ b/arch/sparc/prom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Sun Boot PROM interface library under # Linux. # diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c index d2b49d2365e7..e3b731ff00f0 100644 --- a/arch/sparc/prom/bootstr_32.c +++ b/arch/sparc/prom/bootstr_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bootstr.c: Boot string/argument acquisition from the PROM. * diff --git a/arch/sparc/prom/bootstr_64.c b/arch/sparc/prom/bootstr_64.c index 7149e77714a4..f1cc34d99eec 100644 --- a/arch/sparc/prom/bootstr_64.c +++ b/arch/sparc/prom/bootstr_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bootstr.c: Boot string/argument acquisition from the PROM. * diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S index 8050f381f518..dd06bb1fb90c 100644 --- a/arch/sparc/prom/cif.S +++ b/arch/sparc/prom/cif.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* cif.S: PROM entry/exit assembler trampolines. * * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c index 1cfb50f4cb9c..6404e5bbb7e6 100644 --- a/arch/sparc/prom/console_32.c +++ b/arch/sparc/prom/console_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * console.c: Routines that deal with sending and receiving IO * to/from the current console device using the PROM. diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c index f95edcc54fd5..86dace787ae6 100644 --- a/arch/sparc/prom/console_64.c +++ b/arch/sparc/prom/console_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* console.c: Routines that deal with sending and receiving IO * to/from the current console device using the PROM. * diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c index 9ac30c2b7dba..d20470166cb1 100644 --- a/arch/sparc/prom/init_32.c +++ b/arch/sparc/prom/init_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * init.c: Initialize internal variables used by the PROM * library functions. diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c index 110b0d78b864..103aa9104318 100644 --- a/arch/sparc/prom/init_64.c +++ b/arch/sparc/prom/init_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * init.c: Initialize internal variables used by the PROM * library functions. diff --git a/arch/sparc/prom/memory.c b/arch/sparc/prom/memory.c index 3f263a64857d..269d6ab5ef5e 100644 --- a/arch/sparc/prom/memory.c +++ b/arch/sparc/prom/memory.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* memory.c: Prom routine for acquiring various bits of information * about RAM on the machine, both virtual and physical. * diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c index 8dc0b6b271e8..625750924860 100644 --- a/arch/sparc/prom/misc_32.c +++ b/arch/sparc/prom/misc_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * misc.c: Miscellaneous prom functions that don't belong * anywhere else. diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c index 53a696d3eb3b..aed94cd4a1e7 100644 --- a/arch/sparc/prom/misc_64.c +++ b/arch/sparc/prom/misc_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * misc.c: Miscellaneous prom functions that don't belong * anywhere else. diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c index 0da8256cf76f..67cf0e957e38 100644 --- a/arch/sparc/prom/mp.c +++ b/arch/sparc/prom/mp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mp.c: OpenBoot Prom Multiprocessor support routines. Don't call * these on a UP or else you will halt and catch fire. ;) diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c index 545d8bb79b65..889aa602f8d8 100644 --- a/arch/sparc/prom/p1275.c +++ b/arch/sparc/prom/p1275.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * p1275.c: Sun IEEE 1275 PROM low level interface routines * diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c index d9682f06b3b0..dcee3dfa6de9 100644 --- a/arch/sparc/prom/printf.c +++ b/arch/sparc/prom/printf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * printf.c: Internal prom library printf facility. * diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c index 6d8dc2aa94ce..20cb828bc5f4 100644 --- a/arch/sparc/prom/ranges.c +++ b/arch/sparc/prom/ranges.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ranges.c: Handle ranges in newer proms for obio/sbus. * diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c index f30e8d038f01..0fed89375b74 100644 --- a/arch/sparc/prom/tree_32.c +++ b/arch/sparc/prom/tree_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * tree.c: Basic device tree traversal/scanning for the Linux * prom library. diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c index bd1b2a3ac34e..989e7992d629 100644 --- a/arch/sparc/prom/tree_64.c +++ b/arch/sparc/prom/tree_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * tree.c: Basic device tree traversal/scanning for the Linux * prom library. diff --git a/arch/sparc/vdso/.gitignore b/arch/sparc/vdso/.gitignore new file mode 100644 index 000000000000..ef925b998222 --- /dev/null +++ b/arch/sparc/vdso/.gitignore @@ -0,0 +1,3 @@ +vdso.lds +vdso-image-*.c +vdso2c diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile new file mode 100644 index 000000000000..a6615d8864f7 --- /dev/null +++ b/arch/sparc/vdso/Makefile @@ -0,0 +1,149 @@ +# +# Building vDSO images for sparc. +# + +KBUILD_CFLAGS += $(DISABLE_LTO) + +VDSO64-$(CONFIG_SPARC64) := y +VDSOCOMPAT-$(CONFIG_COMPAT) := y + +# files to link into the vdso +vobjs-y := vdso-note.o vclock_gettime.o + +# files to link into kernel +obj-y += vma.o + +# vDSO images to build +vdso_img-$(VDSO64-y) += 64 +vdso_img-$(VDSOCOMPAT-y) += 32 + +vobjs := $(foreach F,$(vobjs-y),$(obj)/$F) + +$(obj)/vdso.o: $(obj)/vdso.so + +targets += vdso.lds $(vobjs-y) + +# Build the vDSO image C files and link them in. +vdso_img_objs := $(vdso_img-y:%=vdso-image-%.o) +vdso_img_cfiles := $(vdso_img-y:%=vdso-image-%.c) +vdso_img_sodbg := $(vdso_img-y:%=vdso%.so.dbg) +obj-y += $(vdso_img_objs) +targets += $(vdso_img_cfiles) +targets += $(vdso_img_sodbg) +.SECONDARY: $(vdso_img-y:%=$(obj)/vdso-image-%.c) \ + $(vdso_img-y:%=$(obj)/vdso%.so) + +export CPPFLAGS_vdso.lds += -P -C + +VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ + -Wl,--no-undefined \ + -Wl,-z,max-page-size=8192 -Wl,-z,common-page-size=8192 \ + $(DISABLE_LTO) + +$(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE + $(call if_changed,vdso) + +HOST_EXTRACFLAGS += -I$(srctree)/tools/include +hostprogs-y += vdso2c + +quiet_cmd_vdso2c = VDSO2C $@ +define cmd_vdso2c + $(obj)/vdso2c $< $(<:%.dbg=%) $@ +endef + +$(obj)/vdso-image-%.c: $(obj)/vdso%.so.dbg $(obj)/vdso%.so $(obj)/vdso2c FORCE + $(call if_changed,vdso2c) + +# +# Don't omit frame pointers for ease of userspace debugging, but do +# optimize sibling calls. +# +CFL := $(PROFILING) -mcmodel=medlow -fPIC -O2 -fasynchronous-unwind-tables \ + -m64 -ffixed-g2 -ffixed-g3 -fcall-used-g4 -fcall-used-g5 -ffixed-g6 \ + -ffixed-g7 $(filter -g%,$(KBUILD_CFLAGS)) \ + $(call cc-option, -fno-stack-protector) -fno-omit-frame-pointer \ + -foptimize-sibling-calls -DBUILD_VDSO + +$(vobjs): KBUILD_CFLAGS += $(CFL) + +# +# vDSO code runs in userspace and -pg doesn't help with profiling anyway. +# +CFLAGS_REMOVE_vdso-note.o = -pg +CFLAGS_REMOVE_vclock_gettime.o = -pg + +$(obj)/%.so: OBJCOPYFLAGS := -S +$(obj)/%.so: $(obj)/%.so.dbg + $(call if_changed,objcopy) + +CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds) +VDSO_LDFLAGS_vdso32.lds = -m32 -Wl,-m,elf32_sparc,-soname=linux-gate.so.1 + +#This makes sure the $(obj) subdirectory exists even though vdso32/ +#is not a kbuild sub-make subdirectory +override obj-dirs = $(dir $(obj)) $(obj)/vdso32/ + +targets += vdso32/vdso32.lds +targets += vdso32/vdso-note.o +targets += vdso32/vclock_gettime.o + +KBUILD_AFLAGS_32 := $(filter-out -m64,$(KBUILD_AFLAGS)) -DBUILD_VDSO +$(obj)/vdso32.so.dbg: KBUILD_AFLAGS = $(KBUILD_AFLAGS_32) +$(obj)/vdso32.so.dbg: asflags-$(CONFIG_SPARC64) += -m32 + +KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS)) +KBUILD_CFLAGS_32 := $(filter-out -mcmodel=medlow,$(KBUILD_CFLAGS_32)) +KBUILD_CFLAGS_32 := $(filter-out -fno-pic,$(KBUILD_CFLAGS_32)) +KBUILD_CFLAGS_32 := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS_32)) +KBUILD_CFLAGS_32 += -m32 -msoft-float -fpic -mno-app-regs -ffixed-g7 +KBUILD_CFLAGS_32 += $(call cc-option, -fno-stack-protector) +KBUILD_CFLAGS_32 += $(call cc-option, -foptimize-sibling-calls) +KBUILD_CFLAGS_32 += -fno-omit-frame-pointer +KBUILD_CFLAGS_32 += -DDISABLE_BRANCH_PROFILING +KBUILD_CFLAGS_32 += -mv8plus +$(obj)/vdso32.so.dbg: KBUILD_CFLAGS = $(KBUILD_CFLAGS_32) + +$(obj)/vdso32.so.dbg: FORCE \ + $(obj)/vdso32/vdso32.lds \ + $(obj)/vdso32/vclock_gettime.o \ + $(obj)/vdso32/vdso-note.o + $(call if_changed,vdso) + +# +# The DSO images are built using a special linker script. +# +quiet_cmd_vdso = VDSO $@ + cmd_vdso = $(CC) -nostdlib -o $@ \ + $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ + -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) + +VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \ + $(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic +GCOV_PROFILE := n + +# +# Install the unstripped copies of vdso*.so. If our toolchain supports +# build-id, install .build-id links as well. +# +quiet_cmd_vdso_install = INSTALL $(@:install_%=%) +define cmd_vdso_install + cp $< "$(MODLIB)/vdso/$(@:install_%=%)"; \ + if readelf -n $< |grep -q 'Build ID'; then \ + buildid=`readelf -n $< |grep 'Build ID' |sed -e 's/^.*Build ID: \(.*\)$$/\1/'`; \ + first=`echo $$buildid | cut -b-2`; \ + last=`echo $$buildid | cut -b3-`; \ + mkdir -p "$(MODLIB)/vdso/.build-id/$$first"; \ + ln -sf "../../$(@:install_%=%)" "$(MODLIB)/vdso/.build-id/$$first/$$last.debug"; \ + fi +endef + +vdso_img_insttargets := $(vdso_img_sodbg:%.dbg=install_%) + +$(MODLIB)/vdso: FORCE + @mkdir -p $(MODLIB)/vdso + +$(vdso_img_insttargets): install_%: $(obj)/%.dbg $(MODLIB)/vdso FORCE + $(call cmd,vdso_install) + +PHONY += vdso_install $(vdso_img_insttargets) +vdso_install: $(vdso_img_insttargets) FORCE diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c new file mode 100644 index 000000000000..3feb3d960ca5 --- /dev/null +++ b/arch/sparc/vdso/vclock_gettime.c @@ -0,0 +1,264 @@ +/* + * Copyright 2006 Andi Kleen, SUSE Labs. + * Subject to the GNU Public License, v.2 + * + * Fast user context implementation of clock_gettime, gettimeofday, and time. + * + * The code should have no internal unresolved relocations. + * Check with readelf after changing. + * Also alternative() doesn't work. + */ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +/* Disable profiling for userspace code: */ +#ifndef DISABLE_BRANCH_PROFILING +#define DISABLE_BRANCH_PROFILING +#endif + +#include <linux/kernel.h> +#include <linux/time.h> +#include <linux/string.h> +#include <asm/io.h> +#include <asm/unistd.h> +#include <asm/timex.h> +#include <asm/clocksource.h> +#include <asm/vvar.h> + +#undef TICK_PRIV_BIT +#ifdef CONFIG_SPARC64 +#define TICK_PRIV_BIT (1UL << 63) +#else +#define TICK_PRIV_BIT (1ULL << 63) +#endif + +#define SYSCALL_STRING \ + "ta 0x6d;" \ + "sub %%g0, %%o0, %%o0;" \ + +#define SYSCALL_CLOBBERS \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ + "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \ + "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \ + "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46", \ + "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62", \ + "cc", "memory" + +/* + * Compute the vvar page's address in the process address space, and return it + * as a pointer to the vvar_data. + */ +static notrace noinline struct vvar_data * +get_vvar_data(void) +{ + unsigned long ret; + + /* + * vdso data page is the first vDSO page so grab the return address + * and move up a page to get to the data page. + */ + ret = (unsigned long)__builtin_return_address(0); + ret &= ~(8192 - 1); + ret -= 8192; + + return (struct vvar_data *) ret; +} + +static notrace long +vdso_fallback_gettime(long clock, struct timespec *ts) +{ + register long num __asm__("g1") = __NR_clock_gettime; + register long o0 __asm__("o0") = clock; + register long o1 __asm__("o1") = (long) ts; + + __asm__ __volatile__(SYSCALL_STRING : "=r" (o0) : "r" (num), + "0" (o0), "r" (o1) : SYSCALL_CLOBBERS); + return o0; +} + +static notrace __always_inline long +vdso_fallback_gettimeofday(struct timeval *tv, struct timezone *tz) +{ + register long num __asm__("g1") = __NR_gettimeofday; + register long o0 __asm__("o0") = (long) tv; + register long o1 __asm__("o1") = (long) tz; + + __asm__ __volatile__(SYSCALL_STRING : "=r" (o0) : "r" (num), + "0" (o0), "r" (o1) : SYSCALL_CLOBBERS); + return o0; +} + +#ifdef CONFIG_SPARC64 +static notrace noinline u64 +vread_tick(void) { + u64 ret; + + __asm__ __volatile__("rd %%asr24, %0 \n" + ".section .vread_tick_patch, \"ax\" \n" + "rd %%tick, %0 \n" + ".previous \n" + : "=&r" (ret)); + return ret & ~TICK_PRIV_BIT; +} +#else +static notrace noinline u64 +vread_tick(void) +{ + unsigned int lo, hi; + + __asm__ __volatile__("rd %%asr24, %%g1\n\t" + "srlx %%g1, 32, %1\n\t" + "srl %%g1, 0, %0\n" + ".section .vread_tick_patch, \"ax\" \n" + "rd %%tick, %%g1\n" + ".previous \n" + : "=&r" (lo), "=&r" (hi) + : + : "g1"); + return lo | ((u64)hi << 32); +} +#endif + +static notrace inline u64 +vgetsns(struct vvar_data *vvar) +{ + u64 v; + u64 cycles; + + cycles = vread_tick(); + v = (cycles - vvar->clock.cycle_last) & vvar->clock.mask; + return v * vvar->clock.mult; +} + +static notrace noinline int +do_realtime(struct vvar_data *vvar, struct timespec *ts) +{ + unsigned long seq; + u64 ns; + + ts->tv_nsec = 0; + do { + seq = vvar_read_begin(vvar); + ts->tv_sec = vvar->wall_time_sec; + ns = vvar->wall_time_snsec; + ns += vgetsns(vvar); + ns >>= vvar->clock.shift; + } while (unlikely(vvar_read_retry(vvar, seq))); + + timespec_add_ns(ts, ns); + + return 0; +} + +static notrace noinline int +do_monotonic(struct vvar_data *vvar, struct timespec *ts) +{ + unsigned long seq; + u64 ns; + + ts->tv_nsec = 0; + do { + seq = vvar_read_begin(vvar); + ts->tv_sec = vvar->monotonic_time_sec; + ns = vvar->monotonic_time_snsec; + ns += vgetsns(vvar); + ns >>= vvar->clock.shift; + } while (unlikely(vvar_read_retry(vvar, seq))); + + timespec_add_ns(ts, ns); + + return 0; +} + +static notrace noinline int +do_realtime_coarse(struct vvar_data *vvar, struct timespec *ts) +{ + unsigned long seq; + + do { + seq = vvar_read_begin(vvar); + ts->tv_sec = vvar->wall_time_coarse_sec; + ts->tv_nsec = vvar->wall_time_coarse_nsec; + } while (unlikely(vvar_read_retry(vvar, seq))); + return 0; +} + +static notrace noinline int +do_monotonic_coarse(struct vvar_data *vvar, struct timespec *ts) +{ + unsigned long seq; + + do { + seq = vvar_read_begin(vvar); + ts->tv_sec = vvar->monotonic_time_coarse_sec; + ts->tv_nsec = vvar->monotonic_time_coarse_nsec; + } while (unlikely(vvar_read_retry(vvar, seq))); + + return 0; +} + +notrace int +__vdso_clock_gettime(clockid_t clock, struct timespec *ts) +{ + struct vvar_data *vvd = get_vvar_data(); + + switch (clock) { + case CLOCK_REALTIME: + if (unlikely(vvd->vclock_mode == VCLOCK_NONE)) + break; + return do_realtime(vvd, ts); + case CLOCK_MONOTONIC: + if (unlikely(vvd->vclock_mode == VCLOCK_NONE)) + break; + return do_monotonic(vvd, ts); + case CLOCK_REALTIME_COARSE: + return do_realtime_coarse(vvd, ts); + case CLOCK_MONOTONIC_COARSE: + return do_monotonic_coarse(vvd, ts); + } + /* + * Unknown clock ID ? Fall back to the syscall. + */ + return vdso_fallback_gettime(clock, ts); +} +int +clock_gettime(clockid_t, struct timespec *) + __attribute__((weak, alias("__vdso_clock_gettime"))); + +notrace int +__vdso_gettimeofday(struct timeval *tv, struct timezone *tz) +{ + struct vvar_data *vvd = get_vvar_data(); + + if (likely(vvd->vclock_mode != VCLOCK_NONE)) { + if (likely(tv != NULL)) { + union tstv_t { + struct timespec ts; + struct timeval tv; + } *tstv = (union tstv_t *) tv; + do_realtime(vvd, &tstv->ts); + /* + * Assign before dividing to ensure that the division is + * done in the type of tv_usec, not tv_nsec. + * + * There cannot be > 1 billion usec in a second: + * do_realtime() has already distributed such overflow + * into tv_sec. So we can assign it to an int safely. + */ + tstv->tv.tv_usec = tstv->ts.tv_nsec; + tstv->tv.tv_usec /= 1000; + } + if (unlikely(tz != NULL)) { + /* Avoid memcpy. Some old compilers fail to inline it */ + tz->tz_minuteswest = vvd->tz_minuteswest; + tz->tz_dsttime = vvd->tz_dsttime; + } + return 0; + } + return vdso_fallback_gettimeofday(tv, tz); +} +int +gettimeofday(struct timeval *, struct timezone *) + __attribute__((weak, alias("__vdso_gettimeofday"))); diff --git a/arch/sparc/vdso/vdso-layout.lds.S b/arch/sparc/vdso/vdso-layout.lds.S new file mode 100644 index 000000000000..f2c83abaca12 --- /dev/null +++ b/arch/sparc/vdso/vdso-layout.lds.S @@ -0,0 +1,104 @@ +/* + * Linker script for vDSO. This is an ELF shared object prelinked to + * its virtual address, and with only one read-only segment. + * This script controls its layout. + */ + +#if defined(BUILD_VDSO64) +# define SHDR_SIZE 64 +#elif defined(BUILD_VDSO32) +# define SHDR_SIZE 40 +#else +# error unknown VDSO target +#endif + +#define NUM_FAKE_SHDRS 7 + +SECTIONS +{ + /* + * User/kernel shared data is before the vDSO. This may be a little + * uglier than putting it after the vDSO, but it avoids issues with + * non-allocatable things that dangle past the end of the PT_LOAD + * segment. Page size is 8192 for both 64-bit and 32-bit vdso binaries + */ + + vvar_start = . -8192; + vvar_data = vvar_start; + + . = SIZEOF_HEADERS; + + .hash : { *(.hash) } :text + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + + .dynamic : { *(.dynamic) } :text :dynamic + + .rodata : { + *(.rodata*) + *(.data*) + *(.sdata*) + *(.got.plt) *(.got) + *(.gnu.linkonce.d.*) + *(.bss*) + *(.dynbss*) + *(.gnu.linkonce.b.*) + + /* + * Ideally this would live in a C file: kept in here for + * compatibility with x86-64. + */ + VDSO_FAKE_SECTION_TABLE_START = .; + . = . + NUM_FAKE_SHDRS * SHDR_SIZE; + VDSO_FAKE_SECTION_TABLE_END = .; + } :text + + .fake_shstrtab : { *(.fake_shstrtab) } :text + + + .note : { *(.note.*) } :text :note + + .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr + .eh_frame : { KEEP (*(.eh_frame)) } :text + + + /* + * Text is well-separated from actual data: there's plenty of + * stuff that isn't used at runtime in between. + */ + + .text : { *(.text*) } :text =0x90909090, + + .vread_tick_patch : { + vread_tick_patch_start = .; + *(.vread_tick_patch) + vread_tick_patch_end = .; + } + + /DISCARD/ : { + *(.discard) + *(.discard.*) + *(__bug_table) + } +} + +/* + * Very old versions of ld do not recognize this name token; use the constant. + */ +#define PT_GNU_EH_FRAME 0x6474e550 + +/* + * We must supply the ELF program headers explicitly to get just one + * PT_LOAD segment, and set the flags explicitly to make segments read-only. + */ +PHDRS +{ + text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ + dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ + note PT_NOTE FLAGS(4); /* PF_R */ + eh_frame_hdr PT_GNU_EH_FRAME; +} diff --git a/arch/sparc/vdso/vdso-note.S b/arch/sparc/vdso/vdso-note.S new file mode 100644 index 000000000000..79a071e4357e --- /dev/null +++ b/arch/sparc/vdso/vdso-note.S @@ -0,0 +1,12 @@ +/* + * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. + * Here we can supply some information useful to userland. + */ + +#include <linux/uts.h> +#include <linux/version.h> +#include <linux/elfnote.h> + +ELFNOTE_START(Linux, 0, "a") + .long LINUX_VERSION_CODE +ELFNOTE_END diff --git a/arch/sparc/vdso/vdso.lds.S b/arch/sparc/vdso/vdso.lds.S new file mode 100644 index 000000000000..f3caa29a331c --- /dev/null +++ b/arch/sparc/vdso/vdso.lds.S @@ -0,0 +1,25 @@ +/* + * Linker script for 64-bit vDSO. + * We #include the file to define the layout details. + * + * This file defines the version script giving the user-exported symbols in + * the DSO. + */ + +#define BUILD_VDSO64 + +#include "vdso-layout.lds.S" + +/* + * This controls what userland symbols we export from the vDSO. + */ +VERSION { + LINUX_2.6 { + global: + clock_gettime; + __vdso_clock_gettime; + gettimeofday; + __vdso_gettimeofday; + local: *; + }; +} diff --git a/arch/sparc/vdso/vdso2c.c b/arch/sparc/vdso/vdso2c.c new file mode 100644 index 000000000000..9f5b1cd6d51d --- /dev/null +++ b/arch/sparc/vdso/vdso2c.c @@ -0,0 +1,234 @@ +/* + * vdso2c - A vdso image preparation tool + * Copyright (c) 2014 Andy Lutomirski and others + * Licensed under the GPL v2 + * + * vdso2c requires stripped and unstripped input. It would be trivial + * to fully strip the input in here, but, for reasons described below, + * we need to write a section table. Doing this is more or less + * equivalent to dropping all non-allocatable sections, but it's + * easier to let objcopy handle that instead of doing it ourselves. + * If we ever need to do something fancier than what objcopy provides, + * it would be straightforward to add here. + * + * We keep a section table for a few reasons: + * + * Binutils has issues debugging the vDSO: it reads the section table to + * find SHT_NOTE; it won't look at PT_NOTE for the in-memory vDSO, which + * would break build-id if we removed the section table. Binutils + * also requires that shstrndx != 0. See: + * https://sourceware.org/bugzilla/show_bug.cgi?id=17064 + * + * elfutils might not look for PT_NOTE if there is a section table at + * all. I don't know whether this matters for any practical purpose. + * + * For simplicity, rather than hacking up a partial section table, we + * just write a mostly complete one. We omit non-dynamic symbols, + * though, since they're rather large. + * + * Once binutils gets fixed, we might be able to drop this for all but + * the 64-bit vdso, since build-id only works in kernel RPMs, and + * systems that update to new enough kernel RPMs will likely update + * binutils in sync. build-id has never worked for home-built kernel + * RPMs without manual symlinking, and I suspect that no one ever does + * that. + */ + +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#include <inttypes.h> +#include <stdint.h> +#include <unistd.h> +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <err.h> + +#include <sys/mman.h> +#include <sys/types.h> +#include <tools/be_byteshift.h> + +#include <linux/elf.h> +#include <linux/types.h> +#include <linux/kernel.h> + +const char *outfilename; + +/* Symbols that we need in vdso2c. */ +enum { + sym_vvar_start, + sym_VDSO_FAKE_SECTION_TABLE_START, + sym_VDSO_FAKE_SECTION_TABLE_END, + sym_vread_tick, + sym_vread_tick_patch_start, + sym_vread_tick_patch_end +}; + +struct vdso_sym { + const char *name; + int export; +}; + +struct vdso_sym required_syms[] = { + [sym_vvar_start] = {"vvar_start", 1}, + [sym_VDSO_FAKE_SECTION_TABLE_START] = { + "VDSO_FAKE_SECTION_TABLE_START", 0 + }, + [sym_VDSO_FAKE_SECTION_TABLE_END] = { + "VDSO_FAKE_SECTION_TABLE_END", 0 + }, + [sym_vread_tick] = {"vread_tick", 1}, + [sym_vread_tick_patch_start] = {"vread_tick_patch_start", 1}, + [sym_vread_tick_patch_end] = {"vread_tick_patch_end", 1} +}; + +__attribute__((format(printf, 1, 2))) __attribute__((noreturn)) +static void fail(const char *format, ...) +{ + va_list ap; + + va_start(ap, format); + fprintf(stderr, "Error: "); + vfprintf(stderr, format, ap); + if (outfilename) + unlink(outfilename); + exit(1); + va_end(ap); +} + +/* + * Evil macros for big-endian reads and writes + */ +#define GBE(x, bits, ifnot) \ + __builtin_choose_expr( \ + (sizeof(*(x)) == bits/8), \ + (__typeof__(*(x)))get_unaligned_be##bits(x), ifnot) + +#define LAST_GBE(x) \ + __builtin_choose_expr(sizeof(*(x)) == 1, *(x), (void)(0)) + +#define GET_BE(x) \ + GBE(x, 64, GBE(x, 32, GBE(x, 16, LAST_GBE(x)))) + +#define PBE(x, val, bits, ifnot) \ + __builtin_choose_expr( \ + (sizeof(*(x)) == bits/8), \ + put_unaligned_be##bits((val), (x)), ifnot) + +#define LAST_PBE(x, val) \ + __builtin_choose_expr(sizeof(*(x)) == 1, *(x) = (val), (void)(0)) + +#define PUT_BE(x, val) \ + PBE(x, val, 64, PBE(x, val, 32, PBE(x, val, 16, LAST_PBE(x, val)))) + +#define NSYMS ARRAY_SIZE(required_syms) + +#define BITSFUNC3(name, bits, suffix) name##bits##suffix +#define BITSFUNC2(name, bits, suffix) BITSFUNC3(name, bits, suffix) +#define BITSFUNC(name) BITSFUNC2(name, ELF_BITS, ) + +#define INT_BITS BITSFUNC2(int, ELF_BITS, _t) + +#define ELF_BITS_XFORM2(bits, x) Elf##bits##_##x +#define ELF_BITS_XFORM(bits, x) ELF_BITS_XFORM2(bits, x) +#define ELF(x) ELF_BITS_XFORM(ELF_BITS, x) + +#define ELF_BITS 64 +#include "vdso2c.h" +#undef ELF_BITS + +#define ELF_BITS 32 +#include "vdso2c.h" +#undef ELF_BITS + +static void go(void *raw_addr, size_t raw_len, + void *stripped_addr, size_t stripped_len, + FILE *outfile, const char *name) +{ + Elf64_Ehdr *hdr = (Elf64_Ehdr *)raw_addr; + + if (hdr->e_ident[EI_CLASS] == ELFCLASS64) { + go64(raw_addr, raw_len, stripped_addr, stripped_len, + outfile, name); + } else if (hdr->e_ident[EI_CLASS] == ELFCLASS32) { + go32(raw_addr, raw_len, stripped_addr, stripped_len, + outfile, name); + } else { + fail("unknown ELF class\n"); + } +} + +static void map_input(const char *name, void **addr, size_t *len, int prot) +{ + off_t tmp_len; + + int fd = open(name, O_RDONLY); + + if (fd == -1) + err(1, "%s", name); + + tmp_len = lseek(fd, 0, SEEK_END); + if (tmp_len == (off_t)-1) + err(1, "lseek"); + *len = (size_t)tmp_len; + + *addr = mmap(NULL, tmp_len, prot, MAP_PRIVATE, fd, 0); + if (*addr == MAP_FAILED) + err(1, "mmap"); + + close(fd); +} + +int main(int argc, char **argv) +{ + size_t raw_len, stripped_len; + void *raw_addr, *stripped_addr; + FILE *outfile; + char *name, *tmp; + int namelen; + + if (argc != 4) { + printf("Usage: vdso2c RAW_INPUT STRIPPED_INPUT OUTPUT\n"); + return 1; + } + + /* + * Figure out the struct name. If we're writing to a .so file, + * generate raw output insted. + */ + name = strdup(argv[3]); + namelen = strlen(name); + if (namelen >= 3 && !strcmp(name + namelen - 3, ".so")) { + name = NULL; + } else { + tmp = strrchr(name, '/'); + if (tmp) + name = tmp + 1; + tmp = strchr(name, '.'); + if (tmp) + *tmp = '\0'; + for (tmp = name; *tmp; tmp++) + if (*tmp == '-') + *tmp = '_'; + } + + map_input(argv[1], &raw_addr, &raw_len, PROT_READ); + map_input(argv[2], &stripped_addr, &stripped_len, PROT_READ); + + outfilename = argv[3]; + outfile = fopen(outfilename, "w"); + if (!outfile) + err(1, "%s", argv[2]); + + go(raw_addr, raw_len, stripped_addr, stripped_len, outfile, name); + + munmap(raw_addr, raw_len); + munmap(stripped_addr, stripped_len); + fclose(outfile); + + return 0; +} diff --git a/arch/sparc/vdso/vdso2c.h b/arch/sparc/vdso/vdso2c.h new file mode 100644 index 000000000000..808decb0f7be --- /dev/null +++ b/arch/sparc/vdso/vdso2c.h @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +/* + * This file is included up to twice from vdso2c.c. It generates code for + * 32-bit and 64-bit vDSOs. We will eventually need both for 64-bit builds, + * since 32-bit vDSOs will then be built for 32-bit userspace. + */ + +static void BITSFUNC(go)(void *raw_addr, size_t raw_len, + void *stripped_addr, size_t stripped_len, + FILE *outfile, const char *name) +{ + int found_load = 0; + unsigned long load_size = -1; /* Work around bogus warning */ + unsigned long mapping_size; + int i; + unsigned long j; + + ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr; + ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr; + ELF(Dyn) *dyn = 0, *dyn_end = 0; + INT_BITS syms[NSYMS] = {}; + + ELF(Phdr) *pt = (ELF(Phdr) *)(raw_addr + GET_BE(&hdr->e_phoff)); + + /* Walk the segment table. */ + for (i = 0; i < GET_BE(&hdr->e_phnum); i++) { + if (GET_BE(&pt[i].p_type) == PT_LOAD) { + if (found_load) + fail("multiple PT_LOAD segs\n"); + + if (GET_BE(&pt[i].p_offset) != 0 || + GET_BE(&pt[i].p_vaddr) != 0) + fail("PT_LOAD in wrong place\n"); + + if (GET_BE(&pt[i].p_memsz) != GET_BE(&pt[i].p_filesz)) + fail("cannot handle memsz != filesz\n"); + + load_size = GET_BE(&pt[i].p_memsz); + found_load = 1; + } else if (GET_BE(&pt[i].p_type) == PT_DYNAMIC) { + dyn = raw_addr + GET_BE(&pt[i].p_offset); + dyn_end = raw_addr + GET_BE(&pt[i].p_offset) + + GET_BE(&pt[i].p_memsz); + } + } + if (!found_load) + fail("no PT_LOAD seg\n"); + + if (stripped_len < load_size) + fail("stripped input is too short\n"); + + /* Walk the dynamic table */ + for (i = 0; dyn + i < dyn_end && + GET_BE(&dyn[i].d_tag) != DT_NULL; i++) { + typeof(dyn[i].d_tag) tag = GET_BE(&dyn[i].d_tag); + typeof(dyn[i].d_un.d_val) val = GET_BE(&dyn[i].d_un.d_val); + + if ((tag == DT_RELSZ || tag == DT_RELASZ) && (val != 0)) + fail("vdso image contains dynamic relocations\n"); + } + + /* Walk the section table */ + for (i = 0; i < GET_BE(&hdr->e_shnum); i++) { + ELF(Shdr) *sh = raw_addr + GET_BE(&hdr->e_shoff) + + GET_BE(&hdr->e_shentsize) * i; + if (GET_BE(&sh->sh_type) == SHT_SYMTAB) + symtab_hdr = sh; + } + + if (!symtab_hdr) + fail("no symbol table\n"); + + strtab_hdr = raw_addr + GET_BE(&hdr->e_shoff) + + GET_BE(&hdr->e_shentsize) * GET_BE(&symtab_hdr->sh_link); + + /* Walk the symbol table */ + for (i = 0; + i < GET_BE(&symtab_hdr->sh_size) / GET_BE(&symtab_hdr->sh_entsize); + i++) { + int k; + + ELF(Sym) *sym = raw_addr + GET_BE(&symtab_hdr->sh_offset) + + GET_BE(&symtab_hdr->sh_entsize) * i; + const char *name = raw_addr + GET_BE(&strtab_hdr->sh_offset) + + GET_BE(&sym->st_name); + + for (k = 0; k < NSYMS; k++) { + if (!strcmp(name, required_syms[k].name)) { + if (syms[k]) { + fail("duplicate symbol %s\n", + required_syms[k].name); + } + + /* + * Careful: we use negative addresses, but + * st_value is unsigned, so we rely + * on syms[k] being a signed type of the + * correct width. + */ + syms[k] = GET_BE(&sym->st_value); + } + } + } + + /* Validate mapping addresses. */ + if (syms[sym_vvar_start] % 8192) + fail("vvar_begin must be a multiple of 8192\n"); + + if (!name) { + fwrite(stripped_addr, stripped_len, 1, outfile); + return; + } + + mapping_size = (stripped_len + 8191) / 8192 * 8192; + + fprintf(outfile, "/* AUTOMATICALLY GENERATED -- DO NOT EDIT */\n\n"); + fprintf(outfile, "#include <linux/cache.h>\n"); + fprintf(outfile, "#include <asm/vdso.h>\n"); + fprintf(outfile, "\n"); + fprintf(outfile, + "static unsigned char raw_data[%lu] __ro_after_init __aligned(8192)= {", + mapping_size); + for (j = 0; j < stripped_len; j++) { + if (j % 10 == 0) + fprintf(outfile, "\n\t"); + fprintf(outfile, "0x%02X, ", + (int)((unsigned char *)stripped_addr)[j]); + } + fprintf(outfile, "\n};\n\n"); + + fprintf(outfile, "const struct vdso_image %s_builtin = {\n", name); + fprintf(outfile, "\t.data = raw_data,\n"); + fprintf(outfile, "\t.size = %lu,\n", mapping_size); + for (i = 0; i < NSYMS; i++) { + if (required_syms[i].export && syms[i]) + fprintf(outfile, "\t.sym_%s = %" PRIi64 ",\n", + required_syms[i].name, (int64_t)syms[i]); + } + fprintf(outfile, "};\n"); +} diff --git a/arch/sparc/vdso/vdso32/.gitignore b/arch/sparc/vdso/vdso32/.gitignore new file mode 100644 index 000000000000..e45fba9d0ced --- /dev/null +++ b/arch/sparc/vdso/vdso32/.gitignore @@ -0,0 +1 @@ +vdso32.lds diff --git a/arch/sparc/vdso/vdso32/vclock_gettime.c b/arch/sparc/vdso/vdso32/vclock_gettime.c new file mode 100644 index 000000000000..026abb3b826c --- /dev/null +++ b/arch/sparc/vdso/vdso32/vclock_gettime.c @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#define BUILD_VDSO32 + +#ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE +#undef CONFIG_OPTIMIZE_INLINING +#endif + +#ifdef CONFIG_SPARC64 + +/* + * in case of a 32 bit VDSO for a 64 bit kernel fake a 32 bit kernel + * configuration + */ +#undef CONFIG_64BIT +#undef CONFIG_SPARC64 +#define BUILD_VDSO32_64 +#define CONFIG_32BIT +#undef CONFIG_QUEUED_RWLOCKS +#undef CONFIG_QUEUED_SPINLOCKS + +#endif + +#include "../vclock_gettime.c" diff --git a/arch/sparc/vdso/vdso32/vdso-note.S b/arch/sparc/vdso/vdso32/vdso-note.S new file mode 100644 index 000000000000..e234983cf0d8 --- /dev/null +++ b/arch/sparc/vdso/vdso32/vdso-note.S @@ -0,0 +1,12 @@ +/* + * This supplies .note.* sections to go into the PT_NOTE inside the vDSO + * text. Here we can supply some information useful to userland. + */ + +#include <linux/uts.h> +#include <linux/version.h> +#include <linux/elfnote.h> + +ELFNOTE_START(Linux, 0, "a") + .long LINUX_VERSION_CODE +ELFNOTE_END diff --git a/arch/sparc/vdso/vdso32/vdso32.lds.S b/arch/sparc/vdso/vdso32/vdso32.lds.S new file mode 100644 index 000000000000..53575ee154c4 --- /dev/null +++ b/arch/sparc/vdso/vdso32/vdso32.lds.S @@ -0,0 +1,24 @@ +/* + * Linker script for sparc32 vDSO + * We #include the file to define the layout details. + * + * This file defines the version script giving the user-exported symbols in + * the DSO. + */ + +#define BUILD_VDSO32 +#include "../vdso-layout.lds.S" + +/* + * This controls what userland symbols we export from the vDSO. + */ +VERSION { + LINUX_2.6 { + global: + clock_gettime; + __vdso_clock_gettime; + gettimeofday; + __vdso_gettimeofday; + local: *; + }; +} diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c new file mode 100644 index 000000000000..0a6f50098e23 --- /dev/null +++ b/arch/sparc/vdso/vma.c @@ -0,0 +1,268 @@ +/* + * Set up the VMAs to tell the VM about the vDSO. + * Copyright 2007 Andi Kleen, SUSE Labs. + * Subject to the GPL, v.2 + */ + +/* + * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. + */ + +#include <linux/mm.h> +#include <linux/err.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/linkage.h> +#include <linux/random.h> +#include <linux/elf.h> +#include <asm/vdso.h> +#include <asm/vvar.h> +#include <asm/page.h> + +unsigned int __read_mostly vdso_enabled = 1; + +static struct vm_special_mapping vvar_mapping = { + .name = "[vvar]" +}; + +#ifdef CONFIG_SPARC64 +static struct vm_special_mapping vdso_mapping64 = { + .name = "[vdso]" +}; +#endif + +#ifdef CONFIG_COMPAT +static struct vm_special_mapping vdso_mapping32 = { + .name = "[vdso]" +}; +#endif + +struct vvar_data *vvar_data; + +#define SAVE_INSTR_SIZE 4 + +/* + * Allocate pages for the vdso and vvar, and copy in the vdso text from the + * kernel image. + */ +int __init init_vdso_image(const struct vdso_image *image, + struct vm_special_mapping *vdso_mapping) +{ + int i; + struct page *dp, **dpp = NULL; + int dnpages = 0; + struct page *cp, **cpp = NULL; + int cnpages = (image->size) / PAGE_SIZE; + + /* + * First, the vdso text. This is initialied data, an integral number of + * pages long. + */ + if (WARN_ON(image->size % PAGE_SIZE != 0)) + goto oom; + + cpp = kcalloc(cnpages, sizeof(struct page *), GFP_KERNEL); + vdso_mapping->pages = cpp; + + if (!cpp) + goto oom; + + if (vdso_fix_stick) { + /* + * If the system uses %tick instead of %stick, patch the VDSO + * with instruction reading %tick instead of %stick. + */ + unsigned int j, k = SAVE_INSTR_SIZE; + unsigned char *data = image->data; + + for (j = image->sym_vread_tick_patch_start; + j < image->sym_vread_tick_patch_end; j++) { + + data[image->sym_vread_tick + k] = data[j]; + k++; + } + } + + for (i = 0; i < cnpages; i++) { + cp = alloc_page(GFP_KERNEL); + if (!cp) + goto oom; + cpp[i] = cp; + copy_page(page_address(cp), image->data + i * PAGE_SIZE); + } + + /* + * Now the vvar page. This is uninitialized data. + */ + + if (vvar_data == NULL) { + dnpages = (sizeof(struct vvar_data) / PAGE_SIZE) + 1; + if (WARN_ON(dnpages != 1)) + goto oom; + dpp = kcalloc(dnpages, sizeof(struct page *), GFP_KERNEL); + vvar_mapping.pages = dpp; + + if (!dpp) + goto oom; + + dp = alloc_page(GFP_KERNEL); + if (!dp) + goto oom; + + dpp[0] = dp; + vvar_data = page_address(dp); + memset(vvar_data, 0, PAGE_SIZE); + + vvar_data->seq = 0; + } + + return 0; + oom: + if (cpp != NULL) { + for (i = 0; i < cnpages; i++) { + if (cpp[i] != NULL) + __free_page(cpp[i]); + } + kfree(cpp); + vdso_mapping->pages = NULL; + } + + if (dpp != NULL) { + for (i = 0; i < dnpages; i++) { + if (dpp[i] != NULL) + __free_page(dpp[i]); + } + kfree(dpp); + vvar_mapping.pages = NULL; + } + + pr_warn("Cannot allocate vdso\n"); + vdso_enabled = 0; + return -ENOMEM; +} + +static int __init init_vdso(void) +{ + int err = 0; +#ifdef CONFIG_SPARC64 + err = init_vdso_image(&vdso_image_64_builtin, &vdso_mapping64); + if (err) + return err; +#endif + +#ifdef CONFIG_COMPAT + err = init_vdso_image(&vdso_image_32_builtin, &vdso_mapping32); +#endif + return err; + +} +subsys_initcall(init_vdso); + +struct linux_binprm; + +/* Shuffle the vdso up a bit, randomly. */ +static unsigned long vdso_addr(unsigned long start, unsigned int len) +{ + unsigned int offset; + + /* This loses some more bits than a modulo, but is cheaper */ + offset = get_random_int() & (PTRS_PER_PTE - 1); + return start + (offset << PAGE_SHIFT); +} + +static int map_vdso(const struct vdso_image *image, + struct vm_special_mapping *vdso_mapping) +{ + struct mm_struct *mm = current->mm; + struct vm_area_struct *vma; + unsigned long text_start, addr = 0; + int ret = 0; + + down_write(&mm->mmap_sem); + + /* + * First, get an unmapped region: then randomize it, and make sure that + * region is free. + */ + if (current->flags & PF_RANDOMIZE) { + addr = get_unmapped_area(NULL, 0, + image->size - image->sym_vvar_start, + 0, 0); + if (IS_ERR_VALUE(addr)) { + ret = addr; + goto up_fail; + } + addr = vdso_addr(addr, image->size - image->sym_vvar_start); + } + addr = get_unmapped_area(NULL, addr, + image->size - image->sym_vvar_start, 0, 0); + if (IS_ERR_VALUE(addr)) { + ret = addr; + goto up_fail; + } + + text_start = addr - image->sym_vvar_start; + current->mm->context.vdso = (void __user *)text_start; + + /* + * MAYWRITE to allow gdb to COW and set breakpoints + */ + vma = _install_special_mapping(mm, + text_start, + image->size, + VM_READ|VM_EXEC| + VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, + vdso_mapping); + + if (IS_ERR(vma)) { + ret = PTR_ERR(vma); + goto up_fail; + } + + vma = _install_special_mapping(mm, + addr, + -image->sym_vvar_start, + VM_READ|VM_MAYREAD, + &vvar_mapping); + + if (IS_ERR(vma)) { + ret = PTR_ERR(vma); + do_munmap(mm, text_start, image->size, NULL); + } + +up_fail: + if (ret) + current->mm->context.vdso = NULL; + + up_write(&mm->mmap_sem); + return ret; +} + +int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) +{ + + if (!vdso_enabled) + return 0; + +#if defined CONFIG_COMPAT + if (!(is_32bit_task())) + return map_vdso(&vdso_image_64_builtin, &vdso_mapping64); + else + return map_vdso(&vdso_image_32_builtin, &vdso_mapping32); +#else + return map_vdso(&vdso_image_64_builtin, &vdso_mapping64); +#endif + +} + +static __init int vdso_setup(char *s) +{ + int err; + unsigned long val; + + err = kstrtoul(s, 10, &val); + vdso_enabled = val; + return err; +} +__setup("vdso=", vdso_setup); |