diff options
Diffstat (limited to 'arch/sparc')
108 files changed, 802 insertions, 1688 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 204c43cb3d43..0f88123925a4 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -13,9 +13,10 @@ config 64BIT config SPARC bool default y + select ARCH_HAS_CPU_CACHE_ALIASING + select ARCH_HAS_DMA_OPS select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI select ARCH_MIGHT_HAVE_PC_SERIO - select DMA_OPS select OF select OF_PROMTREE select HAVE_ASM_MODVERSIONS @@ -57,7 +58,10 @@ config SPARC32 select CLZ_TAB select DMA_DIRECT_REMAP select GENERIC_ATOMIC64 + select GENERIC_LIB_CMPDI2 + select GENERIC_LIB_UCMPDI2 select HAVE_UID16 + select HAVE_PAGE_SIZE_4KB select LOCK_MM_AND_FIND_VMA select OLD_SIGACTION select ZONE_DMA @@ -75,6 +79,7 @@ config SPARC64 select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_PAGE_SIZE_8KB select HAVE_SYSCALL_TRACEPOINTS select HAVE_CONTEXT_TRACKING_USER select HAVE_TIF_NOHZ @@ -105,6 +110,7 @@ config SPARC64 select HAVE_SETUP_PER_CPU_AREA select NEED_PER_CPU_EMBED_FIRST_CHUNK select NEED_PER_CPU_PAGE_FIRST_CHUNK + select ARCH_HAS_CRC32 config ARCH_PROC_KCORE_TEXT def_bool y @@ -112,10 +118,6 @@ config ARCH_PROC_KCORE_TEXT config CPU_BIG_ENDIAN def_bool y -config ARCH_ATU - bool - default y if SPARC64 - config STACKTRACE_SUPPORT bool default y if SPARC64 @@ -140,10 +142,6 @@ config HIGHMEM default y if SPARC32 select KMAP_LOCAL -config GENERIC_ISA_DMA - bool - default y if SPARC32 - config PGTABLE_LEVELS default 4 if 64BIT default 3 @@ -219,6 +217,8 @@ config EARLYFB bool "Support for early boot text console" default y depends on SPARC64 + select FONT_SUN8x16 + select FONT_SUPPORT help Say Y here to enable a faster early framebuffer boot console. diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index 37e003665de6..d475a056a2e0 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -8,11 +8,8 @@ config MCOUNT bool depends on SPARC64 depends on FUNCTION_TRACER - default y - -config FRAME_POINTER - bool - depends on MCOUNT + select ARCH_WANT_FRAME_POINTERS + select FRAME_POINTER default y config HAVE_HARDLOCKUP_DETECTOR_SPARC64 diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index 2a03daa68f28..0400078076e5 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -29,7 +29,7 @@ UTS_MACHINE := sparc # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you # give -mcpu=v8. This silently worked with older bintutils versions but # does not any more. -KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 +KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu $(call cc-option,-fcall-used-g5) $(call cc-option,-fcall-used-g7) KBUILD_CFLAGS += -Wa,-Av8 KBUILD_AFLAGS += -m32 -Wa,-Av8 @@ -45,7 +45,7 @@ export BITS := 64 UTS_MACHINE := sparc64 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow -KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare +KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 $(call cc-option,-fcall-used-g7) -Wno-sign-compare KBUILD_CFLAGS += -Wa,--undeclared-regs KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3) KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs @@ -59,8 +59,8 @@ endif libs-y += arch/sparc/prom/ libs-y += arch/sparc/lib/ -drivers-$(CONFIG_PM) += arch/sparc/power/ -drivers-$(CONFIG_FB_CORE) += arch/sparc/video/ +drivers-$(CONFIG_PM) += arch/sparc/power/ +drivers-$(CONFIG_VIDEO) += arch/sparc/video/ boot := arch/sparc/boot diff --git a/arch/sparc/boot/install.sh b/arch/sparc/boot/install.sh index 4f130f3f30d6..68de67c5621e 100755 --- a/arch/sparc/boot/install.sh +++ b/arch/sparc/boot/install.sh @@ -16,6 +16,8 @@ # $3 - kernel map file # $4 - default install path (blank if root directory) +set -e + if [ -f $4/vmlinuz ]; then mv $4/vmlinuz $4/vmlinuz.old fi diff --git a/arch/sparc/crypto/Kconfig b/arch/sparc/crypto/Kconfig index cfe5102b1c68..e858597de89d 100644 --- a/arch/sparc/crypto/Kconfig +++ b/arch/sparc/crypto/Kconfig @@ -16,16 +16,6 @@ config CRYPTO_DES_SPARC64 Architecture: sparc64 -config CRYPTO_CRC32C_SPARC64 - tristate "CRC32c" - depends on SPARC64 - select CRYPTO_HASH - select CRC32 - help - CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) - - Architecture: sparc64 - config CRYPTO_MD5_SPARC64 tristate "Digests: MD5" depends on SPARC64 diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile index d257186c27d1..a2d7fca40cb4 100644 --- a/arch/sparc/crypto/Makefile +++ b/arch/sparc/crypto/Makefile @@ -12,8 +12,6 @@ obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o obj-$(CONFIG_CRYPTO_DES_SPARC64) += des-sparc64.o obj-$(CONFIG_CRYPTO_CAMELLIA_SPARC64) += camellia-sparc64.o -obj-$(CONFIG_CRYPTO_CRC32C_SPARC64) += crc32c-sparc64.o - sha1-sparc64-y := sha1_asm.o sha1_glue.o sha256-sparc64-y := sha256_asm.o sha256_glue.o sha512-sparc64-y := sha512_asm.o sha512_glue.o @@ -22,5 +20,3 @@ md5-sparc64-y := md5_asm.o md5_glue.o aes-sparc64-y := aes_asm.o aes_glue.o des-sparc64-y := des_asm.o des_glue.o camellia-sparc64-y := camellia_asm.o camellia_glue.o - -crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o diff --git a/arch/sparc/crypto/crc32c_glue.c b/arch/sparc/crypto/crc32c_glue.c deleted file mode 100644 index 688db0dcb97d..000000000000 --- a/arch/sparc/crypto/crc32c_glue.c +++ /dev/null @@ -1,184 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* Glue code for CRC32C optimized for sparc64 crypto opcodes. - * - * This is based largely upon arch/x86/crypto/crc32c-intel.c - * - * Copyright (C) 2008 Intel Corporation - * Authors: Austin Zhang <austin_zhang@linux.intel.com> - * Kent Liu <kent.liu@intel.com> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/crc32.h> - -#include <crypto/internal/hash.h> - -#include <asm/pstate.h> -#include <asm/elf.h> -#include <asm/unaligned.h> - -#include "opcodes.h" - -/* - * Setting the seed allows arbitrary accumulators and flexible XOR policy - * If your algorithm starts with ~0, then XOR with ~0 before you set - * the seed. - */ -static int crc32c_sparc64_setkey(struct crypto_shash *hash, const u8 *key, - unsigned int keylen) -{ - u32 *mctx = crypto_shash_ctx(hash); - - if (keylen != sizeof(u32)) - return -EINVAL; - *mctx = get_unaligned_le32(key); - return 0; -} - -static int crc32c_sparc64_init(struct shash_desc *desc) -{ - u32 *mctx = crypto_shash_ctx(desc->tfm); - u32 *crcp = shash_desc_ctx(desc); - - *crcp = *mctx; - - return 0; -} - -extern void crc32c_sparc64(u32 *crcp, const u64 *data, unsigned int len); - -static u32 crc32c_compute(u32 crc, const u8 *data, unsigned int len) -{ - unsigned int n = -(uintptr_t)data & 7; - - if (n) { - /* Data isn't 8-byte aligned. Align it. */ - n = min(n, len); - crc = __crc32c_le(crc, data, n); - data += n; - len -= n; - } - n = len & ~7U; - if (n) { - crc32c_sparc64(&crc, (const u64 *)data, n); - data += n; - len -= n; - } - if (len) - crc = __crc32c_le(crc, data, len); - return crc; -} - -static int crc32c_sparc64_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - u32 *crcp = shash_desc_ctx(desc); - - *crcp = crc32c_compute(*crcp, data, len); - return 0; -} - -static int __crc32c_sparc64_finup(const u32 *crcp, const u8 *data, - unsigned int len, u8 *out) -{ - put_unaligned_le32(~crc32c_compute(*crcp, data, len), out); - return 0; -} - -static int crc32c_sparc64_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - return __crc32c_sparc64_finup(shash_desc_ctx(desc), data, len, out); -} - -static int crc32c_sparc64_final(struct shash_desc *desc, u8 *out) -{ - u32 *crcp = shash_desc_ctx(desc); - - put_unaligned_le32(~*crcp, out); - return 0; -} - -static int crc32c_sparc64_digest(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - return __crc32c_sparc64_finup(crypto_shash_ctx(desc->tfm), data, len, - out); -} - -static int crc32c_sparc64_cra_init(struct crypto_tfm *tfm) -{ - u32 *key = crypto_tfm_ctx(tfm); - - *key = ~0; - - return 0; -} - -#define CHKSUM_BLOCK_SIZE 1 -#define CHKSUM_DIGEST_SIZE 4 - -static struct shash_alg alg = { - .setkey = crc32c_sparc64_setkey, - .init = crc32c_sparc64_init, - .update = crc32c_sparc64_update, - .final = crc32c_sparc64_final, - .finup = crc32c_sparc64_finup, - .digest = crc32c_sparc64_digest, - .descsize = sizeof(u32), - .digestsize = CHKSUM_DIGEST_SIZE, - .base = { - .cra_name = "crc32c", - .cra_driver_name = "crc32c-sparc64", - .cra_priority = SPARC_CR_OPCODE_PRIORITY, - .cra_flags = CRYPTO_ALG_OPTIONAL_KEY, - .cra_blocksize = CHKSUM_BLOCK_SIZE, - .cra_ctxsize = sizeof(u32), - .cra_module = THIS_MODULE, - .cra_init = crc32c_sparc64_cra_init, - } -}; - -static bool __init sparc64_has_crc32c_opcode(void) -{ - unsigned long cfr; - - if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO)) - return false; - - __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); - if (!(cfr & CFR_CRC32C)) - return false; - - return true; -} - -static int __init crc32c_sparc64_mod_init(void) -{ - if (sparc64_has_crc32c_opcode()) { - pr_info("Using sparc64 crc32c opcode optimized CRC32C implementation\n"); - return crypto_register_shash(&alg); - } - pr_info("sparc64 crc32c opcode not available.\n"); - return -ENODEV; -} - -static void __exit crc32c_sparc64_mod_fini(void) -{ - crypto_unregister_shash(&alg); -} - -module_init(crc32c_sparc64_mod_init); -module_exit(crc32c_sparc64_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated"); - -MODULE_ALIAS_CRYPTO("crc32c"); - -#include "crop_devid.c" diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 43b0ae4c2c21..17ee8a273aa6 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -4,3 +4,4 @@ generated-y += syscall_table_64.h generic-y += agp.h generic-y += kvm_para.h generic-y += mcs_spinlock.h +generic-y += text-patching.h diff --git a/arch/sparc/include/asm/asm-prototypes.h b/arch/sparc/include/asm/asm-prototypes.h index 4987c735ff56..08810808ca6d 100644 --- a/arch/sparc/include/asm/asm-prototypes.h +++ b/arch/sparc/include/asm/asm-prototypes.h @@ -3,15 +3,18 @@ * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved. */ -#include <asm/xor.h> -#include <asm/checksum.h> -#include <asm/trap_block.h> +#include <linux/atomic.h> #include <linux/uaccess.h> + #include <asm/atomic.h> -#include <asm/ftrace.h> #include <asm/cacheflush.h> +#include <asm/checksum.h> +#include <asm/delay.h> +#include <asm/ftrace.h> #include <asm/oplib.h> -#include <linux/atomic.h> +#include <asm/pgtable.h> +#include <asm/trap_block.h> +#include <asm/xor.h> void *__memscan_zero(void *, size_t); void *__memscan_generic(void *, int, size_t); @@ -23,3 +26,7 @@ void *memcpy(void *dest, const void *src, size_t n); void *memset(void *s, int c, size_t n); typedef int TItype __attribute__((mode(TI))); TItype __multi3(TItype a, TItype b); + +s64 __ashldi3(s64, int); +s64 __lshrdi3(s64, int); +s64 __ashrdi3(s64, int); diff --git a/arch/sparc/include/asm/cachetype.h b/arch/sparc/include/asm/cachetype.h new file mode 100644 index 000000000000..caf1c0045892 --- /dev/null +++ b/arch/sparc/include/asm/cachetype.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_SPARC_CACHETYPE_H +#define __ASM_SPARC_CACHETYPE_H + +#include <asm/page.h> + +#ifdef CONFIG_SPARC32 +extern int vac_cache_size; +#define cpu_dcache_is_aliasing() (vac_cache_size > PAGE_SIZE) +#else +#define cpu_dcache_is_aliasing() (L1DCACHE_SIZE > PAGE_SIZE) +#endif + +#endif diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h index d0af82c240b7..8c1a3ca34eeb 100644 --- a/arch/sparc/include/asm/cmpxchg_32.h +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -38,21 +38,19 @@ static __always_inline unsigned long __arch_xchg(unsigned long x, __volatile__ v /* bug catcher for when unsupported size is used - won't link */ void __cmpxchg_called_with_bad_pointer(void); -/* we only need to support cmpxchg of a u32 on sparc */ -unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); +u8 __cmpxchg_u8(volatile u8 *m, u8 old, u8 new_); +u16 __cmpxchg_u16(volatile u16 *m, u16 old, u16 new_); +u32 __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); /* don't worry...optimizer will get rid of most of this */ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) { - switch (size) { - case 4: - return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_); - default: - __cmpxchg_called_with_bad_pointer(); - break; - } - return old; + return + size == 1 ? __cmpxchg_u8(ptr, old, new_) : + size == 2 ? __cmpxchg_u16(ptr, old, new_) : + size == 4 ? __cmpxchg_u32(ptr, old, new_) : + (__cmpxchg_called_with_bad_pointer(), old); } #define arch_cmpxchg(ptr, o, n) \ @@ -63,7 +61,7 @@ __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); +u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new); #define arch_cmpxchg64(ptr, old, new) __cmpxchg_u64(ptr, old, new) #include <asm-generic/cmpxchg-local.h> diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 6efeb24b0a92..b0f633ce3518 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -197,7 +197,7 @@ static void sun_fd_enable_dma(void) pdma_areasize = pdma_size; } -irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie) +static irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie) { if (likely(doing_pdma)) { void __iomem *stat = (void __iomem *) fdc_status; @@ -434,7 +434,8 @@ static int sun_pci_fd_eject(int drive) return -EINVAL; } -void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, void *cookie) +static void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, + void *cookie) { floppy_interrupt(0, NULL); } @@ -704,9 +705,7 @@ static unsigned long __init sun_floppy_init(void) ns87303_modify(config, ASC, ASC_DRV2_SEL, 0); ns87303_modify(config, FCR, 0, FCR_LDE); - config = sun_floppy_types[0]; - sun_floppy_types[0] = sun_floppy_types[1]; - sun_floppy_types[1] = config; + swap(sun_floppy_types[0], sun_floppy_types[1]); if (sun_pci_broken_drive != -1) { sun_pci_broken_drive = 1 - sun_pci_broken_drive; diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index c714ca6a05aa..e7a9cdd498dc 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -20,7 +20,7 @@ void __set_huge_pte_at(struct mm_struct *mm, unsigned long addr, #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep); + pte_t *ptep, unsigned long sz); #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, diff --git a/arch/sparc/include/asm/hvtramp.h b/arch/sparc/include/asm/hvtramp.h index 688ea43af0f5..ce2453ea4f2b 100644 --- a/arch/sparc/include/asm/hvtramp.h +++ b/arch/sparc/include/asm/hvtramp.h @@ -17,7 +17,7 @@ struct hvtramp_descr { __u64 fault_info_va; __u64 fault_info_pa; __u64 thread_reg; - struct hvtramp_mapping maps[1]; + struct hvtramp_mapping maps[]; }; void hv_cpu_startup(unsigned long hvdescr_pa); diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h index 08650d503cc2..f220edcf17c7 100644 --- a/arch/sparc/include/asm/hypervisor.h +++ b/arch/sparc/include/asm/hypervisor.h @@ -430,7 +430,7 @@ unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count, * ERRORS: No errors defined. * * Return the hypervisor ID handle for the current CPU. Use by a - * virtual CPU to discover it's own identity. + * virtual CPU to discover its own identity. */ #define HV_FAST_CPU_MYID 0x16 @@ -1221,7 +1221,7 @@ unsigned long sun4v_con_write(unsigned long buffer, * EBADALIGNED software state description is not correctly * aligned * - * This allows the guest to report it's soft state to the hypervisor. There + * This allows the guest to report its soft state to the hypervisor. There * are two primary components to this state. The first part states whether * the guest software is running or not. The second containts optional * details specific to the software. @@ -1502,7 +1502,7 @@ struct hv_trap_trace_entry { * configuration error of some sort. * * The dump services provide an opaque buffer into which the - * hypervisor can place it's internal state in order to assist in + * hypervisor can place its internal state in order to assist in * debugging such situations. The contents are opaque and extremely * platform and hypervisor implementation specific. The guest, during * a core dump, requests that the hypervisor update any information in diff --git a/arch/sparc/include/asm/ldc.h b/arch/sparc/include/asm/ldc.h index ca973955ca86..4294738d40be 100644 --- a/arch/sparc/include/asm/ldc.h +++ b/arch/sparc/include/asm/ldc.h @@ -13,7 +13,7 @@ void ldom_power_off(void); * or data becomes available on the receive side. * * For non-RAW links, if the LDC_EVENT_RESET event arrives the - * driver should reset all of it's internal state and reinvoke + * driver should reset all of its internal state and reinvoke * ldc_connect() to try and bring the link up again. * * For RAW links, ldc_connect() is not used. Instead the driver diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 799e797c5cdd..08160bf9a0f4 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -93,7 +93,7 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str /* We have to be extremely careful here or else we will miss * a TSB grow if we switch back and forth between a kernel - * thread and an address space which has it's TSB size increased + * thread and an address space which has its TSB size increased * on another processor. * * It is possible to play some games in order to optimize the @@ -118,7 +118,7 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str * * At that point cpu0 continues to use a stale TSB, the one from * before the TSB grow performed on cpu1. cpu1 did not cross-call - * cpu0 to update it's TSB because at that point the cpu_vm_mask + * cpu0 to update its TSB because at that point the cpu_vm_mask * only had cpu1 set in it. */ tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context)); diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h index a236d8aa893a..74eb2c71d077 100644 --- a/arch/sparc/include/asm/mmzone.h +++ b/arch/sparc/include/asm/mmzone.h @@ -6,10 +6,6 @@ #include <linux/cpumask.h> -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - extern int numa_cpu_lookup_table[]; extern cpumask_t numa_cpumask_lookup_table[]; diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index a67abebd4359..1b86d02a8455 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -247,6 +247,7 @@ void prom_sun4v_guest_soft_state(void); int prom_ihandle2path(int handle, char *buffer, int bufsize); /* Client interface level routines. */ +void prom_cif_init(void *cif_handler); void p1275_cmd_direct(unsigned long *); #endif /* !(__SPARC64_OPLIB_H) */ diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h index 5e44cdf2a8f2..1a00cc0a1893 100644 --- a/arch/sparc/include/asm/page.h +++ b/arch/sparc/include/asm/page.h @@ -2,8 +2,6 @@ #ifndef ___ASM_SPARC_PAGE_H #define ___ASM_SPARC_PAGE_H -#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) - #if defined(__sparc__) && defined(__arch64__) #include <asm/page_64.h> #else diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h index 6be6f683f98f..9954254ea569 100644 --- a/arch/sparc/include/asm/page_32.h +++ b/arch/sparc/include/asm/page_32.h @@ -11,9 +11,7 @@ #include <linux/const.h> -#define PAGE_SHIFT 12 -#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <vdso/page.h> #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index 254dffd85fb1..2a68ff5b6eab 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -4,10 +4,7 @@ #include <linux/const.h> -#define PAGE_SHIFT 13 - -#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#include <vdso/page.h> /* Flushing for D-cache alias handling is only needed if * the page size is smaller than 16K. diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index 0a7ffcfd59cd..e2eed8f97665 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -1,256 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* parport.h: sparc64 specific parport initialization and dma. - * - * Copyright (C) 1999 Eddie C. Dost (ecd@skynet.be) - */ +#ifndef ___ASM_SPARC_PARPORT_H +#define ___ASM_SPARC_PARPORT_H -#ifndef _ASM_SPARC64_PARPORT_H -#define _ASM_SPARC64_PARPORT_H 1 - -#include <linux/of.h> -#include <linux/platform_device.h> - -#include <asm/ebus_dma.h> -#include <asm/ns87303.h> -#include <asm/prom.h> - -#define PARPORT_PC_MAX_PORTS PARPORT_MAX - -/* - * While sparc64 doesn't have an ISA DMA API, we provide something that looks - * close enough to make parport_pc happy - */ -#define HAS_DMA - -#ifdef CONFIG_PARPORT_PC_FIFO -static DEFINE_SPINLOCK(dma_spin_lock); - -#define claim_dma_lock() \ -({ unsigned long flags; \ - spin_lock_irqsave(&dma_spin_lock, flags); \ - flags; \ -}) - -#define release_dma_lock(__flags) \ - spin_unlock_irqrestore(&dma_spin_lock, __flags); +#if defined(__sparc__) && defined(__arch64__) +#include <asm/parport_64.h> +#else +#include <asm-generic/parport.h> +#endif #endif -static struct sparc_ebus_info { - struct ebus_dma_info info; - unsigned int addr; - unsigned int count; - int lock; - - struct parport *port; -} sparc_ebus_dmas[PARPORT_PC_MAX_PORTS]; - -static DECLARE_BITMAP(dma_slot_map, PARPORT_PC_MAX_PORTS); - -static inline int request_dma(unsigned int dmanr, const char *device_id) -{ - if (dmanr >= PARPORT_PC_MAX_PORTS) - return -EINVAL; - if (xchg(&sparc_ebus_dmas[dmanr].lock, 1) != 0) - return -EBUSY; - return 0; -} - -static inline void free_dma(unsigned int dmanr) -{ - if (dmanr >= PARPORT_PC_MAX_PORTS) { - printk(KERN_WARNING "Trying to free DMA%d\n", dmanr); - return; - } - if (xchg(&sparc_ebus_dmas[dmanr].lock, 0) == 0) { - printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr); - return; - } -} - -static inline void enable_dma(unsigned int dmanr) -{ - ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1); - - if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info, - sparc_ebus_dmas[dmanr].addr, - sparc_ebus_dmas[dmanr].count)) - BUG(); -} - -static inline void disable_dma(unsigned int dmanr) -{ - ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 0); -} - -static inline void clear_dma_ff(unsigned int dmanr) -{ - /* nothing */ -} - -static inline void set_dma_mode(unsigned int dmanr, char mode) -{ - ebus_dma_prepare(&sparc_ebus_dmas[dmanr].info, (mode != DMA_MODE_WRITE)); -} - -static inline void set_dma_addr(unsigned int dmanr, unsigned int addr) -{ - sparc_ebus_dmas[dmanr].addr = addr; -} - -static inline void set_dma_count(unsigned int dmanr, unsigned int count) -{ - sparc_ebus_dmas[dmanr].count = count; -} - -static inline unsigned int get_dma_residue(unsigned int dmanr) -{ - return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); -} - -static int ecpp_probe(struct platform_device *op) -{ - unsigned long base = op->resource[0].start; - unsigned long config = op->resource[1].start; - unsigned long d_base = op->resource[2].start; - unsigned long d_len; - struct device_node *parent; - struct parport *p; - int slot, err; - - parent = op->dev.of_node->parent; - if (of_node_name_eq(parent, "dma")) { - p = parport_pc_probe_port(base, base + 0x400, - op->archdata.irqs[0], PARPORT_DMA_NOFIFO, - op->dev.parent->parent, 0); - if (!p) - return -ENOMEM; - dev_set_drvdata(&op->dev, p); - return 0; - } - - for (slot = 0; slot < PARPORT_PC_MAX_PORTS; slot++) { - if (!test_and_set_bit(slot, dma_slot_map)) - break; - } - err = -ENODEV; - if (slot >= PARPORT_PC_MAX_PORTS) - goto out_err; - - spin_lock_init(&sparc_ebus_dmas[slot].info.lock); - - d_len = (op->resource[2].end - d_base) + 1UL; - sparc_ebus_dmas[slot].info.regs = - of_ioremap(&op->resource[2], 0, d_len, "ECPP DMA"); - - if (!sparc_ebus_dmas[slot].info.regs) - goto out_clear_map; - - sparc_ebus_dmas[slot].info.flags = 0; - sparc_ebus_dmas[slot].info.callback = NULL; - sparc_ebus_dmas[slot].info.client_cookie = NULL; - sparc_ebus_dmas[slot].info.irq = 0xdeadbeef; - strcpy(sparc_ebus_dmas[slot].info.name, "parport"); - if (ebus_dma_register(&sparc_ebus_dmas[slot].info)) - goto out_unmap_regs; - - ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 1); - - /* Configure IRQ to Push Pull, Level Low */ - /* Enable ECP, set bit 2 of the CTR first */ - outb(0x04, base + 0x02); - ns87303_modify(config, PCR, - PCR_EPP_ENABLE | - PCR_IRQ_ODRAIN, - PCR_ECP_ENABLE | - PCR_ECP_CLK_ENA | - PCR_IRQ_POLAR); - - /* CTR bit 5 controls direction of port */ - ns87303_modify(config, PTR, - 0, PTR_LPT_REG_DIR); - - p = parport_pc_probe_port(base, base + 0x400, - op->archdata.irqs[0], - slot, - op->dev.parent, - 0); - err = -ENOMEM; - if (!p) - goto out_disable_irq; - - dev_set_drvdata(&op->dev, p); - - return 0; - -out_disable_irq: - ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); - ebus_dma_unregister(&sparc_ebus_dmas[slot].info); - -out_unmap_regs: - of_iounmap(&op->resource[2], sparc_ebus_dmas[slot].info.regs, d_len); - -out_clear_map: - clear_bit(slot, dma_slot_map); - -out_err: - return err; -} - -static int ecpp_remove(struct platform_device *op) -{ - struct parport *p = dev_get_drvdata(&op->dev); - int slot = p->dma; - - parport_pc_unregister_port(p); - - if (slot != PARPORT_DMA_NOFIFO) { - unsigned long d_base = op->resource[2].start; - unsigned long d_len; - - d_len = (op->resource[2].end - d_base) + 1UL; - - ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); - ebus_dma_unregister(&sparc_ebus_dmas[slot].info); - of_iounmap(&op->resource[2], - sparc_ebus_dmas[slot].info.regs, - d_len); - clear_bit(slot, dma_slot_map); - } - - return 0; -} - -static const struct of_device_id ecpp_match[] = { - { - .name = "ecpp", - }, - { - .name = "parallel", - .compatible = "ecpp", - }, - { - .name = "parallel", - .compatible = "ns87317-ecpp", - }, - { - .name = "parallel", - .compatible = "pnpALI,1533,3", - }, - {}, -}; - -static struct platform_driver ecpp_driver = { - .driver = { - .name = "ecpp", - .of_match_table = ecpp_match, - }, - .probe = ecpp_probe, - .remove = ecpp_remove, -}; - -static int parport_pc_find_nonpci_ports(int autoirq, int autodma) -{ - return platform_driver_register(&ecpp_driver); -} - -#endif /* !(_ASM_SPARC64_PARPORT_H */ diff --git a/arch/sparc/include/asm/parport_64.h b/arch/sparc/include/asm/parport_64.h new file mode 100644 index 000000000000..3068809ef9ad --- /dev/null +++ b/arch/sparc/include/asm/parport_64.h @@ -0,0 +1,254 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* parport.h: sparc64 specific parport initialization and dma. + * + * Copyright (C) 1999 Eddie C. Dost (ecd@skynet.be) + */ + +#ifndef _ASM_SPARC64_PARPORT_H +#define _ASM_SPARC64_PARPORT_H 1 + +#include <linux/of.h> +#include <linux/platform_device.h> + +#include <asm/ebus_dma.h> +#include <asm/ns87303.h> +#include <asm/prom.h> + +#define PARPORT_PC_MAX_PORTS PARPORT_MAX + +/* + * While sparc64 doesn't have an ISA DMA API, we provide something that looks + * close enough to make parport_pc happy + */ +#define HAS_DMA + +#ifdef CONFIG_PARPORT_PC_FIFO +static DEFINE_SPINLOCK(dma_spin_lock); + +#define claim_dma_lock() \ +({ unsigned long flags; \ + spin_lock_irqsave(&dma_spin_lock, flags); \ + flags; \ +}) + +#define release_dma_lock(__flags) \ + spin_unlock_irqrestore(&dma_spin_lock, __flags); +#endif + +static struct sparc_ebus_info { + struct ebus_dma_info info; + unsigned int addr; + unsigned int count; + int lock; + + struct parport *port; +} sparc_ebus_dmas[PARPORT_PC_MAX_PORTS]; + +static DECLARE_BITMAP(dma_slot_map, PARPORT_PC_MAX_PORTS); + +static inline int request_dma(unsigned int dmanr, const char *device_id) +{ + if (dmanr >= PARPORT_PC_MAX_PORTS) + return -EINVAL; + if (xchg(&sparc_ebus_dmas[dmanr].lock, 1) != 0) + return -EBUSY; + return 0; +} + +static inline void free_dma(unsigned int dmanr) +{ + if (dmanr >= PARPORT_PC_MAX_PORTS) { + printk(KERN_WARNING "Trying to free DMA%d\n", dmanr); + return; + } + if (xchg(&sparc_ebus_dmas[dmanr].lock, 0) == 0) { + printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr); + return; + } +} + +static inline void enable_dma(unsigned int dmanr) +{ + ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1); + + if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info, + sparc_ebus_dmas[dmanr].addr, + sparc_ebus_dmas[dmanr].count)) + BUG(); +} + +static inline void disable_dma(unsigned int dmanr) +{ + ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 0); +} + +static inline void clear_dma_ff(unsigned int dmanr) +{ + /* nothing */ +} + +static inline void set_dma_mode(unsigned int dmanr, char mode) +{ + ebus_dma_prepare(&sparc_ebus_dmas[dmanr].info, (mode != DMA_MODE_WRITE)); +} + +static inline void set_dma_addr(unsigned int dmanr, unsigned int addr) +{ + sparc_ebus_dmas[dmanr].addr = addr; +} + +static inline void set_dma_count(unsigned int dmanr, unsigned int count) +{ + sparc_ebus_dmas[dmanr].count = count; +} + +static inline unsigned int get_dma_residue(unsigned int dmanr) +{ + return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); +} + +static int ecpp_probe(struct platform_device *op) +{ + unsigned long base = op->resource[0].start; + unsigned long config = op->resource[1].start; + unsigned long d_base = op->resource[2].start; + unsigned long d_len; + struct device_node *parent; + struct parport *p; + int slot, err; + + parent = op->dev.of_node->parent; + if (of_node_name_eq(parent, "dma")) { + p = parport_pc_probe_port(base, base + 0x400, + op->archdata.irqs[0], PARPORT_DMA_NOFIFO, + op->dev.parent->parent, 0); + if (!p) + return -ENOMEM; + dev_set_drvdata(&op->dev, p); + return 0; + } + + for (slot = 0; slot < PARPORT_PC_MAX_PORTS; slot++) { + if (!test_and_set_bit(slot, dma_slot_map)) + break; + } + err = -ENODEV; + if (slot >= PARPORT_PC_MAX_PORTS) + goto out_err; + + spin_lock_init(&sparc_ebus_dmas[slot].info.lock); + + d_len = (op->resource[2].end - d_base) + 1UL; + sparc_ebus_dmas[slot].info.regs = + of_ioremap(&op->resource[2], 0, d_len, "ECPP DMA"); + + if (!sparc_ebus_dmas[slot].info.regs) + goto out_clear_map; + + sparc_ebus_dmas[slot].info.flags = 0; + sparc_ebus_dmas[slot].info.callback = NULL; + sparc_ebus_dmas[slot].info.client_cookie = NULL; + sparc_ebus_dmas[slot].info.irq = 0xdeadbeef; + strcpy(sparc_ebus_dmas[slot].info.name, "parport"); + if (ebus_dma_register(&sparc_ebus_dmas[slot].info)) + goto out_unmap_regs; + + ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 1); + + /* Configure IRQ to Push Pull, Level Low */ + /* Enable ECP, set bit 2 of the CTR first */ + outb(0x04, base + 0x02); + ns87303_modify(config, PCR, + PCR_EPP_ENABLE | + PCR_IRQ_ODRAIN, + PCR_ECP_ENABLE | + PCR_ECP_CLK_ENA | + PCR_IRQ_POLAR); + + /* CTR bit 5 controls direction of port */ + ns87303_modify(config, PTR, + 0, PTR_LPT_REG_DIR); + + p = parport_pc_probe_port(base, base + 0x400, + op->archdata.irqs[0], + slot, + op->dev.parent, + 0); + err = -ENOMEM; + if (!p) + goto out_disable_irq; + + dev_set_drvdata(&op->dev, p); + + return 0; + +out_disable_irq: + ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); + ebus_dma_unregister(&sparc_ebus_dmas[slot].info); + +out_unmap_regs: + of_iounmap(&op->resource[2], sparc_ebus_dmas[slot].info.regs, d_len); + +out_clear_map: + clear_bit(slot, dma_slot_map); + +out_err: + return err; +} + +static void ecpp_remove(struct platform_device *op) +{ + struct parport *p = dev_get_drvdata(&op->dev); + int slot = p->dma; + + parport_pc_unregister_port(p); + + if (slot != PARPORT_DMA_NOFIFO) { + unsigned long d_base = op->resource[2].start; + unsigned long d_len; + + d_len = (op->resource[2].end - d_base) + 1UL; + + ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); + ebus_dma_unregister(&sparc_ebus_dmas[slot].info); + of_iounmap(&op->resource[2], + sparc_ebus_dmas[slot].info.regs, + d_len); + clear_bit(slot, dma_slot_map); + } +} + +static const struct of_device_id ecpp_match[] = { + { + .name = "ecpp", + }, + { + .name = "parallel", + .compatible = "ecpp", + }, + { + .name = "parallel", + .compatible = "ns87317-ecpp", + }, + { + .name = "parallel", + .compatible = "pnpALI,1533,3", + }, + {}, +}; + +static struct platform_driver ecpp_driver = { + .driver = { + .name = "ecpp", + .of_match_table = ecpp_match, + }, + .probe = ecpp_probe, + .remove = ecpp_remove, +}; + +static int parport_pc_find_nonpci_ports(int autoirq, int autodma) +{ + return platform_driver_register(&ecpp_driver); +} + +#endif /* !(_ASM_SPARC64_PARPORT_H */ diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 9e85d57ac3f2..62bcafe38b1f 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -432,6 +432,8 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, #define VMALLOC_START _AC(0xfe600000,UL) #define VMALLOC_END _AC(0xffc00000,UL) +#define MODULES_VADDR VMALLOC_START +#define MODULES_END VMALLOC_END /* We provide our own get_unmapped_area to cope with VA holes for userland */ #define HAVE_ARCH_UNMAPPED_AREA diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index a8c871b7d786..2b7f358762c1 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -680,8 +680,8 @@ static inline unsigned long pte_special(pte_t pte) return pte_val(pte) & _PAGE_SPECIAL; } -#define pmd_leaf pmd_large -static inline unsigned long pmd_large(pmd_t pmd) +#define pmd_leaf pmd_leaf +static inline bool pmd_leaf(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); @@ -783,6 +783,7 @@ static inline pmd_t pmd_mkwrite_novma(pmd_t pmd) return __pmd(pte_val(pte)); } +#define pmd_pgprot pmd_pgprot static inline pgprot_t pmd_pgprot(pmd_t entry) { unsigned long val = pmd_val(entry); @@ -867,14 +868,15 @@ static inline pmd_t *pud_pgtable(pud_t pud) /* only used by the stubbed out hugetlb gup code, should never be called */ #define p4d_page(p4d) NULL -#define pud_leaf pud_large -static inline unsigned long pud_large(pud_t pud) +#define pud_leaf pud_leaf +static inline bool pud_leaf(pud_t pud) { pte_t pte = __pte(pud_val(pud)); return pte_val(pte) & _PAGE_PMD_HUGE; } +#define pud_pfn pud_pfn static inline unsigned long pud_pfn(pud_t pud) { pte_t pte = __pte(pud_val(pud)); @@ -929,6 +931,8 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, maybe_tlb_batch_add(mm, addr, ptep, orig, fullmm, PAGE_SHIFT); } +#define PFN_PTE_SHIFT PAGE_SHIFT + static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) { @@ -954,7 +958,7 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr, #ifdef DCACHE_ALIASING_POSSIBLE #define __HAVE_ARCH_MOVE_PTE -#define move_pte(pte, prot, old_addr, new_addr) \ +#define move_pte(pte, old_addr, new_addr) \ ({ \ pte_t newpte = (pte); \ if (tlb_type != hypervisor && pte_present(pte)) { \ diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h index 505b6700805d..0964fede0b2c 100644 --- a/arch/sparc/include/asm/smp_64.h +++ b/arch/sparc/include/asm/smp_64.h @@ -47,7 +47,6 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask); int hard_smp_processor_id(void); #define raw_smp_processor_id() (current_thread_info()->cpu) -void smp_fill_in_cpu_possible_map(void); void smp_fill_in_sib_core_maps(void); void __noreturn cpu_play_dead(void); @@ -77,7 +76,6 @@ void __cpu_die(unsigned int cpu); #define smp_fill_in_sib_core_maps() do { } while (0) #define smp_fetch_global_regs() do { } while (0) #define smp_fetch_global_pmu() do { } while (0) -#define smp_fill_in_cpu_possible_map() do { } while (0) #define smp_init_cpu_poke() do { } while (0) #define scheduler_poke() do { } while (0) diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h index 14f3c49bfdbc..d93963ff7caa 100644 --- a/arch/sparc/include/asm/switch_to_64.h +++ b/arch/sparc/include/asm/switch_to_64.h @@ -15,7 +15,7 @@ do { \ * for l0/l1. It will use one for 'next' and the other to hold * the output value of 'last'. 'next' is not referenced again * past the invocation of switch_to in the scheduler, so we need - * not preserve it's value. Hairy, but it lets us remove 2 loads + * not preserve its value. Hairy, but it lets us remove 2 loads * and 2 stores in this critical code path. -DaveM */ #define switch_to(prev, next, last) \ diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h index 3037187482db..1a6e694418e3 100644 --- a/arch/sparc/include/asm/tlb_64.h +++ b/arch/sparc/include/asm/tlb_64.h @@ -33,6 +33,7 @@ void flush_tlb_pending(void); #define tlb_needs_table_invalidate() (false) #endif +#define __HAVE_ARCH_TLB_REMOVE_TABLE #include <asm-generic/tlb.h> #endif /* _SPARC64_TLB_H */ diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 9fd6c53644b6..43284b6ec46a 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -95,7 +95,8 @@ __asm__ __volatile__( \ ".section .fixup,#alloc,#execinstr\n\t" \ ".align 4\n" \ "3:\n\t" \ - "b 2b\n\t" \ + "sethi %%hi(2b), %0\n\t" \ + "jmpl %0 + %%lo(2b), %%g0\n\t" \ " mov %3, %0\n\t" \ ".previous\n\n\t" \ ".section __ex_table,#alloc\n\t" \ @@ -163,8 +164,9 @@ __asm__ __volatile__( \ ".section .fixup,#alloc,#execinstr\n\t" \ ".align 4\n" \ "3:\n\t" \ + "sethi %%hi(2b), %0\n\t" \ "clr %1\n\t" \ - "b 2b\n\t" \ + "jmpl %0 + %%lo(2b), %%g0\n\t" \ " mov %3, %0\n\n\t" \ ".previous\n\t" \ ".section __ex_table,#alloc\n\t" \ diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index d6bc76706a7a..3380411a4537 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -49,6 +49,8 @@ #define __ARCH_WANT_COMPAT_STAT #endif +#define __ARCH_BROKEN_SYS_CLONE3 + #ifdef __32bit_syscall_numbers__ /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, * it never had the plain ones and there is no value to adding those diff --git a/arch/sparc/include/asm/vga.h b/arch/sparc/include/asm/vga.h deleted file mode 100644 index 2952d667d936..000000000000 --- a/arch/sparc/include/asm/vga.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Access to VGA videoram - * - * (c) 1998 Martin Mares <mj@ucw.cz> - */ - -#ifndef _LINUX_ASM_VGA_H_ -#define _LINUX_ASM_VGA_H_ - -#include <linux/bug.h> -#include <linux/string.h> -#include <asm/types.h> - -#define VT_BUF_HAVE_RW -#define VT_BUF_HAVE_MEMSETW -#define VT_BUF_HAVE_MEMCPYW -#define VT_BUF_HAVE_MEMMOVEW - -#undef scr_writew -#undef scr_readw - -static inline void scr_writew(u16 val, u16 *addr) -{ - BUG_ON((long) addr >= 0); - - *addr = val; -} - -static inline u16 scr_readw(const u16 *addr) -{ - BUG_ON((long) addr >= 0); - - return *addr; -} - -static inline void scr_memsetw(u16 *p, u16 v, unsigned int n) -{ - BUG_ON((long) p >= 0); - - memset16(p, cpu_to_le16(v), n / 2); -} - -static inline void scr_memcpyw(u16 *d, u16 *s, unsigned int n) -{ - BUG_ON((long) d >= 0); - - memcpy(d, s, n); -} - -static inline void scr_memmovew(u16 *d, u16 *s, unsigned int n) -{ - BUG_ON((long) d >= 0); - - memmove(d, s, n); -} - -#define VGA_MAP_MEM(x,s) (x) - -#endif diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/video.h index 24440c0fda49..a6f48f52db58 100644 --- a/arch/sparc/include/asm/fb.h +++ b/arch/sparc/include/asm/video.h @@ -1,12 +1,13 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _SPARC_FB_H_ -#define _SPARC_FB_H_ +#ifndef _SPARC_VIDEO_H_ +#define _SPARC_VIDEO_H_ #include <linux/io.h> +#include <linux/types.h> #include <asm/page.h> -struct fb_info; +struct device; #ifdef CONFIG_SPARC32 static inline pgprot_t pgprot_framebuffer(pgprot_t prot, @@ -18,8 +19,8 @@ static inline pgprot_t pgprot_framebuffer(pgprot_t prot, #define pgprot_framebuffer pgprot_framebuffer #endif -int fb_is_primary_device(struct fb_info *info); -#define fb_is_primary_device fb_is_primary_device +bool video_is_primary_device(struct device *dev); +#define video_is_primary_device video_is_primary_device static inline void fb_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n) { @@ -39,6 +40,6 @@ static inline void fb_memset_io(volatile void __iomem *addr, int c, size_t n) } #define fb_memset fb_memset_io -#include <asm-generic/fb.h> +#include <asm-generic/video.h> -#endif /* _SPARC_FB_H_ */ +#endif /* _SPARC_VIDEO_H_ */ diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h index 587fb7841096..0ca8c3463166 100644 --- a/arch/sparc/include/asm/vio.h +++ b/arch/sparc/include/asm/vio.h @@ -483,11 +483,7 @@ int __vio_register_driver(struct vio_driver *drv, struct module *owner, __vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) void vio_unregister_driver(struct vio_driver *drv); -static inline struct vio_driver *to_vio_driver(struct device_driver *drv) -{ - return container_of(drv, struct vio_driver, driver); -} - +#define to_vio_driver(__drv) container_of_const(__drv, struct vio_driver, driver) #define to_vio_dev(__dev) container_of_const(__dev, struct vio_dev, dev) int vio_ldc_send(struct vio_driver_state *vio, void *data, int len); diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h index 682da3714686..5b464a568664 100644 --- a/arch/sparc/include/uapi/asm/socket.h +++ b/arch/sparc/include/uapi/asm/socket.h @@ -133,6 +133,16 @@ #define SO_PASSPIDFD 0x0055 #define SO_PEERPIDFD 0x0056 +#define SO_DEVMEM_LINEAR 0x0057 +#define SCM_DEVMEM_LINEAR SO_DEVMEM_LINEAR +#define SO_DEVMEM_DMABUF 0x0058 +#define SCM_DEVMEM_DMABUF SO_DEVMEM_DMABUF +#define SO_DEVMEM_DONTNEED 0x0059 + +#define SCM_TS_OPT_ID 0x005a + +#define SO_RCVPRIORITY 0x005b + #if !defined(__KERNEL__) diff --git a/arch/sparc/include/uapi/asm/termbits.h b/arch/sparc/include/uapi/asm/termbits.h index 4321322701fc..0da2b1adc0f5 100644 --- a/arch/sparc/include/uapi/asm/termbits.h +++ b/arch/sparc/include/uapi/asm/termbits.h @@ -10,16 +10,6 @@ typedef unsigned int tcflag_t; typedef unsigned long tcflag_t; #endif -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - #define NCCS 17 struct termios { tcflag_t c_iflag; /* input mode flags */ diff --git a/arch/sparc/include/uapi/asm/termios.h b/arch/sparc/include/uapi/asm/termios.h index ee86f4093d83..cceb32260881 100644 --- a/arch/sparc/include/uapi/asm/termios.h +++ b/arch/sparc/include/uapi/asm/termios.h @@ -40,5 +40,14 @@ struct winsize { unsigned short ws_ypixel; }; +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; #endif /* _UAPI_SPARC_TERMIOS_H */ diff --git a/arch/sparc/kernel/adi_64.c b/arch/sparc/kernel/adi_64.c index ce332942de2d..e0e4fc527b24 100644 --- a/arch/sparc/kernel/adi_64.c +++ b/arch/sparc/kernel/adi_64.c @@ -121,9 +121,9 @@ adi_not_found: mdesc_release(hp); } -tag_storage_desc_t *find_tag_store(struct mm_struct *mm, - struct vm_area_struct *vma, - unsigned long addr) +static tag_storage_desc_t *find_tag_store(struct mm_struct *mm, + struct vm_area_struct *vma, + unsigned long addr) { tag_storage_desc_t *tag_desc = NULL; unsigned long i, max_desc, flags; @@ -153,9 +153,9 @@ tag_storage_desc_t *find_tag_store(struct mm_struct *mm, return tag_desc; } -tag_storage_desc_t *alloc_tag_store(struct mm_struct *mm, - struct vm_area_struct *vma, - unsigned long addr) +static tag_storage_desc_t *alloc_tag_store(struct mm_struct *mm, + struct vm_area_struct *vma, + unsigned long addr) { unsigned char *tags; unsigned long i, size, max_desc, flags; @@ -296,7 +296,7 @@ out: return tag_desc; } -void del_tag_store(tag_storage_desc_t *tag_desc, struct mm_struct *mm) +static void del_tag_store(tag_storage_desc_t *tag_desc, struct mm_struct *mm) { unsigned long flags; unsigned char *tags = NULL; diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c index e2d3f0d2971f..2bf558a0c568 100644 --- a/arch/sparc/kernel/btext.c +++ b/arch/sparc/kernel/btext.c @@ -8,6 +8,7 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/console.h> +#include <linux/font.h> #include <asm/btext.h> #include <asm/oplib.h> @@ -20,9 +21,9 @@ static void scrollscreen(void); #endif static void draw_byte(unsigned char c, long locX, long locY); -static void draw_byte_32(unsigned char *bits, unsigned int *base, int rb); -static void draw_byte_16(unsigned char *bits, unsigned int *base, int rb); -static void draw_byte_8(unsigned char *bits, unsigned int *base, int rb); +static void draw_byte_32(const unsigned char *bits, unsigned int *base, int rb); +static void draw_byte_16(const unsigned char *bits, unsigned int *base, int rb); +static void draw_byte_8(const unsigned char *bits, unsigned int *base, int rb); #define __force_data __section(".data") @@ -36,10 +37,6 @@ static int dispDeviceDepth __force_data; static int dispDeviceRect[4] __force_data; static unsigned char *dispDeviceBase __force_data; -#define cmapsz (16*256) - -static unsigned char vga_font[cmapsz]; - static int __init btext_initialize(phandle node) { unsigned int width, height, depth, pitch; @@ -194,7 +191,8 @@ static void btext_drawtext(const char *c, unsigned int len) static void draw_byte(unsigned char c, long locX, long locY) { unsigned char *base = calc_base(locX << 3, locY << 4); - unsigned char *font = &vga_font[((unsigned int)c) * 16]; + unsigned int font_index = c * 16; + const unsigned char *font = font_sun_8x16.data + font_index; int rb = dispDeviceRowBytes; switch(dispDeviceDepth) { @@ -239,7 +237,7 @@ static unsigned int expand_bits_16[4] = { }; -static void draw_byte_32(unsigned char *font, unsigned int *base, int rb) +static void draw_byte_32(const unsigned char *font, unsigned int *base, int rb) { int l, bits; int fg = 0xFFFFFFFFUL; @@ -260,7 +258,7 @@ static void draw_byte_32(unsigned char *font, unsigned int *base, int rb) } } -static void draw_byte_16(unsigned char *font, unsigned int *base, int rb) +static void draw_byte_16(const unsigned char *font, unsigned int *base, int rb) { int l, bits; int fg = 0xFFFFFFFFUL; @@ -278,7 +276,7 @@ static void draw_byte_16(unsigned char *font, unsigned int *base, int rb) } } -static void draw_byte_8(unsigned char *font, unsigned int *base, int rb) +static void draw_byte_8(const unsigned char *font, unsigned int *base, int rb) { int l, bits; int fg = 0x0F0F0F0FUL; @@ -326,348 +324,3 @@ int __init btext_find_display(void) } return ret; } - -static unsigned char vga_font[cmapsz] = { -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0x81, 0xbd, -0x99, 0x81, 0x81, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xff, 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-0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c, -0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x6c, 0x3c, 0x1c, 0x00, 0x00, 0x00, 0x00, -0x00, 0xd8, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xd8, 0x30, 0x60, 0xc8, 0xf8, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -0x00, 0x00, 0x00, 0x00, -}; diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index d5fad5fb04c1..d4c74d6b2e1b 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -30,7 +30,7 @@ #define PFX DRV_MODULE_NAME ": " #define DRV_MODULE_VERSION "0.2" -MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); +MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); MODULE_DESCRIPTION("UltraSPARC-III memory controller driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); @@ -788,7 +788,7 @@ static void jbusmc_destroy(struct platform_device *op, struct jbusmc *p) kfree(p); } -static int us3mc_remove(struct platform_device *op) +static void us3mc_remove(struct platform_device *op) { void *p = dev_get_drvdata(&op->dev); @@ -798,7 +798,6 @@ static int us3mc_remove(struct platform_device *op) else if (mc_type == MC_TYPE_JBUS) jbusmc_destroy(op, p); } - return 0; } static const struct of_device_id us3mc_match[] = { diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 4a5bdb0df779..ffdc15588ac2 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -33,7 +33,7 @@ static char version[] = DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; -MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); +MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); MODULE_DESCRIPTION("Sun LDOM domain services driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index 964c61b5cd03..38345460d542 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -118,9 +118,12 @@ current_pc: mov %o7, %g3 tst %o0 - be no_sun4u_here + bne 2f mov %g4, %o7 /* Previous %o7. */ - + sethi %hi(no_sun4u_here), %l1 + jmpl %l1 + %lo(no_sun4u_here), %g0 + nop +2: mov %o0, %l0 ! stash away romvec mov %o0, %g7 ! put it here too mov %o1, %l1 ! stash away debug_vec too @@ -195,7 +198,8 @@ halt_notsup: sub %o0, %l6, %o0 call %o1 nop - ba halt_me + sethi %hi(halt_me), %o0 + jmpl %o0 + %lo(halt_me), %g0 nop not_a_sun4: @@ -431,8 +435,11 @@ leon_init: #ifdef CONFIG_SMP ldub [%g2 + %lo(boot_cpu_id)], %g1 cmp %g1, 0xff ! unset means first CPU - bne leon_smp_cpu_startup ! continue only with master + be 1f + sethi %hi(leon_smp_cpu_startup), %g1 + jmpl %g1 + %lo(leon_smp_cpu_startup), %g0 nop +1: #endif /* Get CPU-ID from most significant 4-bit of ASR17 */ rd %asr17, %g1 diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index e8452be5123b..5210991429d5 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -199,18 +199,18 @@ int arch_show_interrupts(struct seq_file *p, int prec) int j; #ifdef CONFIG_SMP - seq_printf(p, "RES: "); + seq_printf(p, "RES:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).irq_resched_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_resched_count, 10); seq_printf(p, " IPI rescheduling interrupts\n"); - seq_printf(p, "CAL: "); + seq_printf(p, "CAL:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).irq_call_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_call_count, 10); seq_printf(p, " IPI function call interrupts\n"); #endif - seq_printf(p, "NMI: "); + seq_printf(p, "NMI:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).counter); + seq_put_decimal_ull_width(p, " ", cpu_data(j).counter, 10); seq_printf(p, " Non-maskable interrupts\n"); return 0; } @@ -268,11 +268,11 @@ int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler) if (sparc_cpu_model != sparc_leon) { struct tt_entry *trap_table; - trap_table = &trapbase_cpu1; + trap_table = &trapbase_cpu1[0]; INSTANTIATE(trap_table) - trap_table = &trapbase_cpu2; + trap_table = &trapbase_cpu2[0]; INSTANTIATE(trap_table) - trap_table = &trapbase_cpu3; + trap_table = &trapbase_cpu3[0]; INSTANTIATE(trap_table) } #endif diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 72da2e10e255..ded463c82abd 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -22,6 +22,7 @@ #include <linux/seq_file.h> #include <linux/ftrace.h> #include <linux/irq.h> +#include <linux/string_choices.h> #include <asm/ptrace.h> #include <asm/processor.h> @@ -145,9 +146,7 @@ static int hv_irq_version; */ static bool sun4v_cookie_only_virqs(void) { - if (hv_irq_version >= 3) - return true; - return false; + return hv_irq_version >= 3; } static void __init irq_init_hv(void) @@ -170,7 +169,7 @@ static void __init irq_init_hv(void) pr_info("SUN4V: Using IRQ API major %d, cookie only virqs %s\n", hv_irq_version, - sun4v_cookie_only_virqs() ? "enabled" : "disabled"); + str_enabled_disabled(sun4v_cookie_only_virqs())); } /* This function is for the timer interrupt.*/ @@ -304,9 +303,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) { int j; - seq_printf(p, "NMI: "); + seq_printf(p, "NMI:"); for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_data(j).__nmi_count); + seq_put_decimal_ull_width(p, " ", cpu_data(j).__nmi_count, 10); seq_printf(p, " Non-maskable interrupts\n"); return 0; } @@ -349,17 +348,13 @@ static unsigned int sun4u_compute_tid(unsigned long imap, unsigned long cpuid) #ifdef CONFIG_SMP static int irq_choose_cpu(unsigned int irq, const struct cpumask *affinity) { - cpumask_t mask; int cpuid; - cpumask_copy(&mask, affinity); - if (cpumask_equal(&mask, cpu_online_mask)) { + if (cpumask_equal(affinity, cpu_online_mask)) { cpuid = map_to_cpu(irq); } else { - cpumask_t tmp; - - cpumask_and(&tmp, cpu_online_mask, &mask); - cpuid = cpumask_empty(&tmp) ? map_to_cpu(irq) : cpumask_first(&tmp); + cpuid = cpumask_first_and(affinity, cpu_online_mask); + cpuid = cpuid < nr_cpu_ids ? cpuid : map_to_cpu(irq); } return cpuid; @@ -980,7 +975,7 @@ void notrace init_irqwork_curcpu(void) * * On SMP this gets invoked from the CPU trampoline before * the cpu has fully taken over the trap table from OBP, - * and it's kernel stack + %g6 thread register state is + * and its kernel stack + %g6 thread register state is * not fully cooked yet. * * Therefore you cannot make any OBP calls, not even prom_printf, diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index 15da3c0597a5..8328a3b78a44 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -40,6 +40,10 @@ int handle_popc(u32 insn, struct pt_regs *regs); void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr); +/* uprobes.c */ +asmlinkage void uprobe_trap(struct pt_regs *regs, + unsigned long trap_level); + /* smp_64.c */ void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); @@ -138,10 +142,10 @@ extern unsigned int t_nmi[]; extern unsigned int linux_trap_ipi15_sun4d[]; extern unsigned int linux_trap_ipi15_sun4m[]; -extern struct tt_entry trapbase; -extern struct tt_entry trapbase_cpu1; -extern struct tt_entry trapbase_cpu2; -extern struct tt_entry trapbase_cpu3; +extern struct tt_entry trapbase[]; +extern struct tt_entry trapbase_cpu1[]; +extern struct tt_entry trapbase_cpu2[]; +extern struct tt_entry trapbase_cpu3[]; extern char cputypval[]; diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c index 58ad3f7de1fb..3b2c673ec627 100644 --- a/arch/sparc/kernel/kgdb_32.c +++ b/arch/sparc/kernel/kgdb_32.c @@ -37,7 +37,7 @@ void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) gdb_regs[GDB_Y] = regs->y; gdb_regs[GDB_PSR] = regs->psr; gdb_regs[GDB_WIM] = 0; - gdb_regs[GDB_TBR] = (unsigned long) &trapbase; + gdb_regs[GDB_TBR] = (unsigned long) &trapbase[0]; gdb_regs[GDB_PC] = regs->pc; gdb_regs[GDB_NPC] = regs->npc; gdb_regs[GDB_FSR] = 0; @@ -72,7 +72,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[GDB_PSR] = t->kpsr; gdb_regs[GDB_WIM] = t->kwim; - gdb_regs[GDB_TBR] = (unsigned long) &trapbase; + gdb_regs[GDB_TBR] = (unsigned long) &trapbase[0]; gdb_regs[GDB_PC] = t->kpc; gdb_regs[GDB_NPC] = t->kpc + 4; gdb_regs[GDB_FSR] = 0; diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c index 535c7b35cb59..191bbaca9921 100644 --- a/arch/sparc/kernel/kprobes.c +++ b/arch/sparc/kernel/kprobes.c @@ -230,7 +230,7 @@ static unsigned long __kprobes relbranch_fixup(u32 insn, struct kprobe *p, return regs->tnpc; } -/* If INSN is an instruction which writes it's PC location +/* If INSN is an instruction which writes its PC location * into a destination register, fix that up. */ static void __kprobes retpc_fixup(struct pt_regs *regs, u32 insn, diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index c0fa3ef6cf01..7f3cdb6f644d 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1854,7 +1854,7 @@ static int read_nonraw(struct ldc_channel *lp, void *buf, unsigned int size) * This seems the best behavior because this allows * a user of the LDC layer to start with a small * RX buffer for ldc_read() calls and use -EMSGSIZE - * as a cue to enlarge it's read buffer. + * as a cue to enlarge its read buffer. */ err = -EMSGSIZE; break; diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 4c61da491fee..a43cf794bb1e 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -106,13 +106,12 @@ unsigned long leon_get_irqmask(unsigned int irq) #ifdef CONFIG_SMP static int irq_choose_cpu(const struct cpumask *affinity) { - cpumask_t mask; + unsigned int cpu = cpumask_first_and(affinity, cpu_online_mask); - cpumask_and(&mask, cpu_online_mask, affinity); - if (cpumask_equal(&mask, cpu_online_mask) || cpumask_empty(&mask)) + if (cpumask_subset(cpu_online_mask, affinity) || cpu >= nr_cpu_ids) return boot_cpu_id; else - return cpumask_first(&mask); + return cpu; } #else #define irq_choose_cpu(affinity) boot_cpu_id diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c index 8700a0e3b0df..b2b639bee068 100644 --- a/arch/sparc/kernel/leon_pci_grpci1.c +++ b/arch/sparc/kernel/leon_pci_grpci1.c @@ -697,7 +697,7 @@ err1: return err; } -static const struct of_device_id grpci1_of_match[] __initconst = { +static const struct of_device_id grpci1_of_match[] = { { .name = "GAISLER_PCIFBRG", }, diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c index 60b6bdf7761f..9f662340b5b2 100644 --- a/arch/sparc/kernel/leon_pci_grpci2.c +++ b/arch/sparc/kernel/leon_pci_grpci2.c @@ -586,7 +586,7 @@ static void grpci2_hw_init(struct grpci2_priv *priv) REGSTORE(regs->io_map, REGLOAD(regs->io_map) & 0x0000ffff); /* set 1:1 mapping between AHB -> PCI memory space, for all Masters - * Each AHB master has it's own mapping registers. Max 16 AHB masters. + * Each AHB master has its own mapping registers. Max 16 AHB masters. */ for (i = 0; i < 16; i++) REGSTORE(regs->ahbmst_map[i], priv->pci_area); @@ -889,7 +889,7 @@ err1: return err; } -static const struct of_device_id grpci2_of_match[] __initconst = { +static const struct of_device_id grpci2_of_match[] = { { .name = "GAISLER_GRPCI2", }, diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index 991e9ad3d3e8..1ee393abc463 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -245,13 +245,13 @@ void __init leon_smp_done(void) /* Free unneeded trap tables */ if (!cpu_present(1)) { - free_reserved_page(virt_to_page(&trapbase_cpu1)); + free_reserved_page(virt_to_page(&trapbase_cpu1[0])); } if (!cpu_present(2)) { - free_reserved_page(virt_to_page(&trapbase_cpu2)); + free_reserved_page(virt_to_page(&trapbase_cpu2[0])); } if (!cpu_present(3)) { - free_reserved_page(virt_to_page(&trapbase_cpu3)); + free_reserved_page(virt_to_page(&trapbase_cpu3[0])); } /* Ok, they are spinning and ready to go. */ smp_processors_ready = 1; diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 66c45a2764bc..b8c51cc23d96 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -21,36 +21,6 @@ #include "entry.h" -#ifdef CONFIG_SPARC64 - -#include <linux/jump_label.h> - -static void *module_map(unsigned long size) -{ - if (PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, - GFP_KERNEL, PAGE_KERNEL, 0, NUMA_NO_NODE, - __builtin_return_address(0)); -} -#else -static void *module_map(unsigned long size) -{ - return vmalloc(size); -} -#endif /* CONFIG_SPARC64 */ - -void *module_alloc(unsigned long size) -{ - void *ret; - - ret = module_map(size); - if (ret) - memset(ret, 0, size); - - return ret; -} - /* Make generic code ignore STT_REGISTER dummy undefined symbols. */ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 17cdfdbf1f3b..149adc094753 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -279,7 +279,7 @@ static int __init setup_nmi_watchdog(char *str) if (!strncmp(str, "panic", 5)) panic_on_timeout = 1; - return 0; + return 1; } __setup("nmi_watchdog=", setup_nmi_watchdog); diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index d3842821a5a0..f98c2901f335 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -560,7 +560,7 @@ static unsigned int __init build_one_device_irq(struct platform_device *op, * * If we hit a bus type or situation we cannot handle, we * stop and assume that the original IRQ number was in a - * format which has special meaning to it's immediate parent. + * format which has special meaning to its immediate parent. */ pp = dp->parent; ip = NULL; @@ -624,10 +624,7 @@ static unsigned int __init build_one_device_irq(struct platform_device *op, out: nid = of_node_to_nid(dp); if (nid != -1) { - cpumask_t numa_mask; - - cpumask_copy(&numa_mask, cpumask_of_node(nid)); - irq_set_affinity(irq, &numa_mask); + irq_set_affinity(irq, cpumask_of_node(nid)); } return irq; diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index f66005ce4cb5..ddac216a2aff 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -311,7 +311,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, /* We can't actually use the firmware value, we have * to read what is in the register right now. One * reason is that in the case of IDE interfaces the - * firmware can sample the value before the the IDE + * firmware can sample the value before the IDE * interface is programmed into native mode. */ pci_read_config_dword(dev, PCI_CLASS_REVISION, &class); @@ -932,7 +932,7 @@ static void pci_bus_slot_names(struct device_node *node, struct pci_bus *bus) { const struct pci_slot_names { u32 slot_mask; - char names[0]; + char names[]; } *prop; const char *sp; int len, i; diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index 5eeec9ad6845..2576f4f31309 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -361,7 +361,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) int i, saw_mem, saw_io; int num_pbm_ranges; - /* Corresponding generic code in of_pci_get_host_bridge_resources() */ + /* Corresponds to generic devm_of_pci_get_host_bridge_resources() */ saw_mem = saw_io = 0; pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i); diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h index f31761f51757..83718876f1d4 100644 --- a/arch/sparc/kernel/pci_impl.h +++ b/arch/sparc/kernel/pci_impl.h @@ -19,9 +19,9 @@ * each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules * underneath. Each PCI bus module uses an IOMMU (shared by both * PBMs of a controller, or per-PBM), and if a streaming buffer - * is present, each PCI bus module has it's own. (ie. the IOMMU + * is present, each PCI bus module has its own. (ie. the IOMMU * might be shared between PBMs, the STC is never shared) - * Furthermore, each PCI bus module controls it's own autonomous + * Furthermore, each PCI bus module controls its own autonomous * PCI bus. */ diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c index fc7402948b7b..acb2f83a1d5c 100644 --- a/arch/sparc/kernel/pci_msi.c +++ b/arch/sparc/kernel/pci_msi.c @@ -287,10 +287,7 @@ static int bringup_one_msi_queue(struct pci_pbm_info *pbm, nid = pbm->numa_node; if (nid != -1) { - cpumask_t numa_mask; - - cpumask_copy(&numa_mask, cpumask_of_node(nid)); - irq_set_affinity(irq, &numa_mask); + irq_set_affinity(irq, cpumask_of_node(nid)); } err = request_irq(irq, sparc64_msiq_interrupt, 0, "MSIQ", diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 5d8dd4949586..93cd9e5a8099 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -145,7 +145,7 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm, /* This is __REALLY__ dangerous. When we put the * streaming buffer into diagnostic mode to probe - * it's tags and error status, we _must_ clear all + * its tags and error status, we _must_ clear all * of the line tag valid bits before re-enabling * the streaming buffer. If any dirty data lives * in the STC when we do this, we will end up @@ -275,7 +275,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, pbm->name, type_string); /* Put the IOMMU into diagnostic mode and probe - * it's TLB for entries with error status. + * its TLB for entries with error status. * * It is very possible for another DVMA to occur * while we do this probe, and corrupt the system diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index 083e5f05a7f0..b720b21ccfbd 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -256,9 +256,9 @@ range_alloc_fail: return NULL; } -unsigned long dma_4v_iotsb_bind(unsigned long devhandle, - unsigned long iotsb_num, - struct pci_bus *bus_dev) +static unsigned long dma_4v_iotsb_bind(unsigned long devhandle, + unsigned long iotsb_num, + struct pci_bus *bus_dev) { struct pci_dev *pdev; unsigned long err; diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index a58ae9c42803..f02a283a8e8f 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -979,7 +979,7 @@ out: static void sparc_pmu_start(struct perf_event *event, int flags); -/* On this PMU each PIC has it's own PCR control register. */ +/* On this PMU each PIC has its own PCR control register. */ static void calculate_multiple_pcrs(struct cpu_hw_events *cpuc) { int i; diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 3df960c137f7..a67dd67f10c8 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -28,9 +28,7 @@ void * __init prom_early_alloc(unsigned long size) { void *ret; - ret = memblock_alloc(size, SMP_CACHE_BYTES); - if (!ret) - panic("%s: Failed to allocate %lu bytes\n", __func__, size); + ret = memblock_alloc_or_panic(size, SMP_CACHE_BYTES); prom_early_allocated += size; diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index 998aa693d491..ba82884cb92a 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -483,7 +483,9 @@ static void *record_one_cpu(struct device_node *dp, int cpuid, int arg) ncpus_probed++; #ifdef CONFIG_SMP set_cpu_present(cpuid, true); - set_cpu_possible(cpuid, true); + + if (num_possible_cpus() < nr_cpu_ids) + set_cpu_possible(cpuid, true); #endif return NULL; } diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c index 426bd08cb2ab..5752bfd73ac0 100644 --- a/arch/sparc/kernel/prom_irqtrans.c +++ b/arch/sparc/kernel/prom_irqtrans.c @@ -394,7 +394,7 @@ static unsigned int schizo_irq_build(struct device_node *dp, iclr = schizo_ino_to_iclr(pbm_regs, ino); /* On Schizo, no inofixup occurs. This is because each - * INO has it's own IMAP register. On Psycho and Sabre + * INO has its own IMAP register. On Psycho and Sabre * there is only one IMAP register for each PCI slot even * though four different INOs can be generated by each * PCI slot. diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index 5ee74b4c0cf4..4557ef18f371 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -50,7 +50,7 @@ static void psycho_check_stc_error(struct pci_pbm_info *pbm) spin_lock(&stc_buf_lock); /* This is __REALLY__ dangerous. When we put the streaming - * buffer into diagnostic mode to probe it's tags and error + * buffer into diagnostic mode to probe its tags and error * status, we _must_ clear all of the line tag valid bits * before re-enabling the streaming buffer. If any dirty data * lives in the STC when we do this, we will end up diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index e3b72a7b46d3..704375c061e7 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -67,7 +67,7 @@ static void prom_sync_me(void) __asm__ __volatile__("wr %0, 0x0, %%tbr\n\t" "nop\n\t" "nop\n\t" - "nop\n\t" : : "r" (&trapbase)); + "nop\n\t" : : "r" (&trapbase[0])); prom_printf("PROM SYNC COMMAND...\n"); show_mem(); @@ -285,7 +285,7 @@ void __init setup_arch(char **cmdline_p) int i; unsigned long highest_paddr; - sparc_ttable = &trapbase; + sparc_ttable = &trapbase[0]; /* Initialize PROM console and command line. */ *cmdline_p = prom_getbootargs(); diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 6a4797dec34b..63615f5c99b4 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -599,7 +599,7 @@ static void __init init_sparc64_elf_hwcap(void) pause_patch(); } -void __init alloc_irqstack_bootmem(void) +static void __init alloc_irqstack_bootmem(void) { unsigned int i, node; @@ -671,7 +671,6 @@ void __init setup_arch(char **cmdline_p) paging_init(); init_sparc64_elf_hwcap(); - smp_fill_in_cpu_possible_map(); /* * Once the OF device tree and MDESC have been setup and nr_cpus has * been parsed, we know the list of possible cpus. Therefore we can diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 89b93c7136e7..478014d2e59b 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -473,7 +473,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) * * %g7 is used as the "thread register". %g6 is not used in * any fixed manner. %g6 is used as a scratch register and - * a compiler temporary, but it's value is never used across + * a compiler temporary, but its value is never used across * a system call. Therefore %g6 is usable for orig_i0 storage. */ if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index b4e410976e0d..2d64566a1f88 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -494,7 +494,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) * * %g7 is used as the "thread register". %g6 is not used in * any fixed manner. %g6 is used as a scratch register and - * a compiler temporary, but it's value is never used across + * a compiler temporary, but its value is never used across * a system call. Therefore %g6 is usable for orig_i0 storage. */ if (pt_regs_is_syscall(regs) && diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index f3969a3600db..5cbd6ed5ef6f 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -297,9 +297,7 @@ static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg, unsigned long hv_err; int i; - hdesc = kzalloc(sizeof(*hdesc) + - (sizeof(struct hvtramp_mapping) * - num_kernel_image_mappings - 1), + hdesc = kzalloc(struct_size(hdesc, maps, num_kernel_image_mappings), GFP_KERNEL); if (!hdesc) { printk(KERN_ERR "ldom_startcpu_cpuid: Cannot allocate " @@ -1206,10 +1204,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { } -void smp_prepare_boot_cpu(void) -{ -} - void __init smp_setup_processor_id(void) { if (tlb_type == spitfire) @@ -1220,20 +1214,6 @@ void __init smp_setup_processor_id(void) xcall_deliver_impl = hypervisor_xcall_deliver; } -void __init smp_fill_in_cpu_possible_map(void) -{ - int possible_cpus = num_possible_cpus(); - int i; - - if (possible_cpus > nr_cpu_ids) - possible_cpus = nr_cpu_ids; - - for (i = 0; i < possible_cpus; i++) - set_cpu_possible(i, true); - for (; i < NR_CPUS; i++) - set_cpu_possible(i, false); -} - void smp_fill_in_sib_core_maps(void) { unsigned int i; diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index a45f0f31fe51..a3d308f2043e 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -18,224 +18,3 @@ sys32_mmap2: sethi %hi(sys_mmap), %g1 jmpl %g1 + %lo(sys_mmap), %g0 sllx %o5, 12, %o5 - - .align 32 - .globl sys32_socketcall -sys32_socketcall: /* %o0=call, %o1=args */ - cmp %o0, 1 - bl,pn %xcc, do_einval - cmp %o0, 18 - bg,pn %xcc, do_einval - sub %o0, 1, %o0 - sllx %o0, 5, %o0 - sethi %hi(__socketcall_table_begin), %g2 - or %g2, %lo(__socketcall_table_begin), %g2 - jmpl %g2 + %o0, %g0 - nop -do_einval: - retl - mov -EINVAL, %o0 - - .align 32 -__socketcall_table_begin: - - /* Each entry is exactly 32 bytes. */ -do_sys_socket: /* sys_socket(int, int, int) */ -1: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_socket), %g1 -2: ldswa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_socket), %g0 -3: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */ -4: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_bind), %g1 -5: ldswa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_bind), %g0 -6: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */ -7: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_connect), %g1 -8: ldswa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_connect), %g0 -9: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_listen: /* sys_listen(int, int) */ -10: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_listen), %g1 - jmpl %g1 + %lo(sys_listen), %g0 -11: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop - nop - nop -do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */ -12: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_accept), %g1 -13: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_accept), %g0 -14: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */ -15: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_getsockname), %g1 -16: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_getsockname), %g0 -17: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */ -18: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_getpeername), %g1 -19: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(sys_getpeername), %g0 -20: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */ -21: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_socketpair), %g1 -22: ldswa [%o1 + 0x8] %asi, %o2 -23: lduwa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_socketpair), %g0 -24: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop -do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */ -25: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_send), %g1 -26: lduwa [%o1 + 0x8] %asi, %o2 -27: lduwa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_send), %g0 -28: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop -do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */ -29: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_recv), %g1 -30: lduwa [%o1 + 0x8] %asi, %o2 -31: lduwa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_recv), %g0 -32: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop -do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */ -33: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_sendto), %g1 -34: lduwa [%o1 + 0x8] %asi, %o2 -35: lduwa [%o1 + 0xc] %asi, %o3 -36: lduwa [%o1 + 0x10] %asi, %o4 -37: ldswa [%o1 + 0x14] %asi, %o5 - jmpl %g1 + %lo(sys_sendto), %g0 -38: lduwa [%o1 + 0x4] %asi, %o1 -do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */ -39: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_recvfrom), %g1 -40: lduwa [%o1 + 0x8] %asi, %o2 -41: lduwa [%o1 + 0xc] %asi, %o3 -42: lduwa [%o1 + 0x10] %asi, %o4 -43: lduwa [%o1 + 0x14] %asi, %o5 - jmpl %g1 + %lo(sys_recvfrom), %g0 -44: lduwa [%o1 + 0x4] %asi, %o1 -do_sys_shutdown: /* sys_shutdown(int, int) */ -45: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_shutdown), %g1 - jmpl %g1 + %lo(sys_shutdown), %g0 -46: ldswa [%o1 + 0x4] %asi, %o1 - nop - nop - nop - nop -do_sys_setsockopt: /* sys_setsockopt(int, int, int, char *, int) */ -47: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_setsockopt), %g1 -48: ldswa [%o1 + 0x8] %asi, %o2 -49: lduwa [%o1 + 0xc] %asi, %o3 -50: ldswa [%o1 + 0x10] %asi, %o4 - jmpl %g1 + %lo(sys_setsockopt), %g0 -51: ldswa [%o1 + 0x4] %asi, %o1 - nop -do_sys_getsockopt: /* sys_getsockopt(int, int, int, u32, u32) */ -52: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_getsockopt), %g1 -53: ldswa [%o1 + 0x8] %asi, %o2 -54: lduwa [%o1 + 0xc] %asi, %o3 -55: lduwa [%o1 + 0x10] %asi, %o4 - jmpl %g1 + %lo(sys_getsockopt), %g0 -56: ldswa [%o1 + 0x4] %asi, %o1 - nop -do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */ -57: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(compat_sys_sendmsg), %g1 -58: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(compat_sys_sendmsg), %g0 -59: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */ -60: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(compat_sys_recvmsg), %g1 -61: lduwa [%o1 + 0x8] %asi, %o2 - jmpl %g1 + %lo(compat_sys_recvmsg), %g0 -62: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - nop -do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */ -63: ldswa [%o1 + 0x0] %asi, %o0 - sethi %hi(sys_accept4), %g1 -64: lduwa [%o1 + 0x8] %asi, %o2 -65: ldswa [%o1 + 0xc] %asi, %o3 - jmpl %g1 + %lo(sys_accept4), %g0 -66: lduwa [%o1 + 0x4] %asi, %o1 - nop - nop - - .section __ex_table,"a" - .align 4 - .word 1b, __retl_efault, 2b, __retl_efault - .word 3b, __retl_efault, 4b, __retl_efault - .word 5b, __retl_efault, 6b, __retl_efault - .word 7b, __retl_efault, 8b, __retl_efault - .word 9b, __retl_efault, 10b, __retl_efault - .word 11b, __retl_efault, 12b, __retl_efault - .word 13b, __retl_efault, 14b, __retl_efault - .word 15b, __retl_efault, 16b, __retl_efault - .word 17b, __retl_efault, 18b, __retl_efault - .word 19b, __retl_efault, 20b, __retl_efault - .word 21b, __retl_efault, 22b, __retl_efault - .word 23b, __retl_efault, 24b, __retl_efault - .word 25b, __retl_efault, 26b, __retl_efault - .word 27b, __retl_efault, 28b, __retl_efault - .word 29b, __retl_efault, 30b, __retl_efault - .word 31b, __retl_efault, 32b, __retl_efault - .word 33b, __retl_efault, 34b, __retl_efault - .word 35b, __retl_efault, 36b, __retl_efault - .word 37b, __retl_efault, 38b, __retl_efault - .word 39b, __retl_efault, 40b, __retl_efault - .word 41b, __retl_efault, 42b, __retl_efault - .word 43b, __retl_efault, 44b, __retl_efault - .word 45b, __retl_efault, 46b, __retl_efault - .word 47b, __retl_efault, 48b, __retl_efault - .word 49b, __retl_efault, 50b, __retl_efault - .word 51b, __retl_efault, 52b, __retl_efault - .word 53b, __retl_efault, 54b, __retl_efault - .word 55b, __retl_efault, 56b, __retl_efault - .word 57b, __retl_efault, 58b, __retl_efault - .word 59b, __retl_efault, 60b, __retl_efault - .word 61b, __retl_efault, 62b, __retl_efault - .word 63b, __retl_efault, 64b, __retl_efault - .word 65b, __retl_efault, 66b, __retl_efault - .previous diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index 082a551897ed..fb31bc0c5b48 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -23,6 +23,7 @@ #include <linux/utsname.h> #include <linux/smp.h> #include <linux/ipc.h> +#include <linux/hugetlb.h> #include <linux/uaccess.h> #include <asm/unistd.h> @@ -39,15 +40,19 @@ SYSCALL_DEFINE0(getpagesize) return PAGE_SIZE; /* Possibly older binaries want 8192 on sun4's? */ } -unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) +unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, vm_flags_t vm_flags) { - struct vm_unmapped_area_info info; + struct vm_unmapped_area_info info = {}; + bool file_hugepage = false; + + if (filp && is_file_hugepages(filp)) + file_hugepage = true; if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate * cache aliasing constraints. */ - if ((flags & MAP_SHARED) && + if (!file_hugepage && (flags & MAP_SHARED) && ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) return -EINVAL; return addr; @@ -59,13 +64,16 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi if (!addr) addr = TASK_UNMAPPED_BASE; - info.flags = 0; info.length = len; info.low_limit = addr; info.high_limit = TASK_SIZE; - info.align_mask = (flags & MAP_SHARED) ? - (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; + if (!file_hugepage) { + info.align_mask = (flags & MAP_SHARED) ? + (PAGE_MASK & (SHMLBA - 1)) : 0; + info.align_offset = pgoff << PAGE_SHIFT; + } else { + info.align_mask = huge_page_mask_align(filp); + } return vm_unmapped_area(&info); } diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 1e9a9e016237..c5a284df7b41 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -30,6 +30,7 @@ #include <linux/context_tracking.h> #include <linux/timex.h> #include <linux/uaccess.h> +#include <linux/hugetlb.h> #include <asm/utrap.h> #include <asm/unistd.h> @@ -87,19 +88,33 @@ static inline unsigned long COLOR_ALIGN(unsigned long addr, return base + off; } -unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) +static unsigned long get_align_mask(struct file *filp, unsigned long flags) +{ + if (filp && is_file_hugepages(filp)) + return huge_page_mask_align(filp); + if (filp || (flags & MAP_SHARED)) + return PAGE_MASK & (SHMLBA - 1); + + return 0; +} + +unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, vm_flags_t vm_flags) { struct mm_struct *mm = current->mm; struct vm_area_struct * vma; unsigned long task_size = TASK_SIZE; int do_color_align; - struct vm_unmapped_area_info info; + struct vm_unmapped_area_info info = {}; + bool file_hugepage = false; + + if (filp && is_file_hugepages(filp)) + file_hugepage = true; if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate * cache aliasing constraints. */ - if ((flags & MAP_SHARED) && + if (!file_hugepage && (flags & MAP_SHARED) && ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) return -EINVAL; return addr; @@ -111,7 +126,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi return -ENOMEM; do_color_align = 0; - if (filp || (flags & MAP_SHARED)) + if ((filp || (flags & MAP_SHARED)) && !file_hugepage) do_color_align = 1; if (addr) { @@ -126,12 +141,12 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi return addr; } - info.flags = 0; info.length = len; info.low_limit = TASK_UNMAPPED_BASE; info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; + info.align_mask = get_align_mask(filp, flags); + if (!file_hugepage) + info.align_offset = pgoff << PAGE_SHIFT; addr = vm_unmapped_area(&info); if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { @@ -147,23 +162,27 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi unsigned long arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, const unsigned long len, const unsigned long pgoff, - const unsigned long flags) + const unsigned long flags, vm_flags_t vm_flags) { struct vm_area_struct *vma; struct mm_struct *mm = current->mm; unsigned long task_size = STACK_TOP32; unsigned long addr = addr0; int do_color_align; - struct vm_unmapped_area_info info; + struct vm_unmapped_area_info info = {}; + bool file_hugepage = false; /* This should only ever run for 32-bit processes. */ BUG_ON(!test_thread_flag(TIF_32BIT)); + if (filp && is_file_hugepages(filp)) + file_hugepage = true; + if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate * cache aliasing constraints. */ - if ((flags & MAP_SHARED) && + if (!file_hugepage && (flags & MAP_SHARED) && ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) return -EINVAL; return addr; @@ -173,7 +192,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, return -ENOMEM; do_color_align = 0; - if (filp || (flags & MAP_SHARED)) + if ((filp || (flags & MAP_SHARED)) && !file_hugepage) do_color_align = 1; /* requesting a specific address */ @@ -193,8 +212,9 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, info.length = len; info.low_limit = PAGE_SIZE; info.high_limit = mm->mmap_base; - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; + info.align_mask = get_align_mask(filp, flags); + if (!file_hugepage) + info.align_offset = pgoff << PAGE_SHIFT; addr = vm_unmapped_area(&info); /* @@ -218,14 +238,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags) { unsigned long align_goal, addr = -ENOMEM; - unsigned long (*get_area)(struct file *, unsigned long, - unsigned long, unsigned long, unsigned long); - - get_area = current->mm->get_unmapped_area; if (flags & MAP_FIXED) { /* Ok, don't mess with it. */ - return get_area(NULL, orig_addr, len, pgoff, flags); + return mm_get_unmapped_area(current->mm, NULL, orig_addr, len, pgoff, flags); } flags &= ~MAP_SHARED; @@ -238,7 +254,8 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u align_goal = (64UL * 1024); do { - addr = get_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags); + addr = mm_get_unmapped_area(current->mm, NULL, orig_addr, + len + (align_goal - PAGE_SIZE), pgoff, flags); if (!(addr & ~PAGE_MASK)) { addr = (addr + (align_goal - 1UL)) & ~(align_goal - 1UL); break; @@ -256,7 +273,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u * be obtained. */ if (addr & ~PAGE_MASK) - addr = get_area(NULL, orig_addr, len, pgoff, flags); + addr = mm_get_unmapped_area(current->mm, NULL, orig_addr, len, pgoff, flags); return addr; } @@ -292,7 +309,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack) gap == RLIM_INFINITY || sysctl_legacy_va_layout) { mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; - mm->get_unmapped_area = arch_get_unmapped_area; + clear_bit(MMF_TOPDOWN, &mm->flags); } else { /* We know it's 32-bit */ unsigned long task_size = STACK_TOP32; @@ -303,7 +320,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack) gap = (task_size / 6 * 5); mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor); - mm->get_unmapped_area = arch_get_unmapped_area_topdown; + set_bit(MMF_TOPDOWN, &mm->flags); } } diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index b23d59313589..727f99d333b3 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -117,7 +117,7 @@ 90 common dup2 sys_dup2 91 32 setfsuid32 sys_setfsuid 92 common fcntl sys_fcntl compat_sys_fcntl -93 common select sys_select +93 common select sys_select compat_sys_select 94 32 setfsgid32 sys_setfsgid 95 common fsync sys_fsync 96 common setpriority sys_setpriority @@ -155,7 +155,7 @@ 123 32 fchown sys_fchown16 123 64 fchown sys_fchown 124 common fchmod sys_fchmod -125 common recvfrom sys_recvfrom +125 common recvfrom sys_recvfrom compat_sys_recvfrom 126 32 setreuid sys_setreuid16 126 64 setreuid sys_setreuid 127 32 setregid sys_setregid16 @@ -247,7 +247,7 @@ 204 32 readdir sys_old_readdir compat_sys_old_readdir 204 64 readdir sys_nis_syscall 205 common readahead sys_readahead compat_sys_readahead -206 common socketcall sys_socketcall sys32_socketcall +206 common socketcall sys_socketcall compat_sys_socketcall 207 common syslog sys_syslog 208 common lookup_dcookie sys_ni_syscall 209 common fadvise64 sys_fadvise64 compat_sys_fadvise64 @@ -461,7 +461,7 @@ 412 32 utimensat_time64 sys_utimensat sys_utimensat 413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 -416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +416 32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64 417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend 419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive @@ -507,3 +507,8 @@ 459 common lsm_get_self_attr sys_lsm_get_self_attr 460 common lsm_set_self_attr sys_lsm_set_self_attr 461 common lsm_list_modules sys_lsm_list_modules +462 common mseal sys_mseal +463 common setxattrat sys_setxattrat +464 common getxattrat sys_getxattrat +465 common listxattrat sys_listxattrat +466 common removexattrat sys_removexattrat diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 08bbdc458596..578fd0d49f30 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -255,6 +255,7 @@ static void mostek_write_byte(struct device *dev, u32 ofs, u8 val) static struct m48t59_plat_data m48t59_data = { .read_byte = mostek_read_byte, .write_byte = mostek_write_byte, + .yy_offset = 68, }; /* resource is set at runtime */ diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 89fb05f90609..b32f27f929d1 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -33,6 +33,7 @@ #include <linux/clockchips.h> #include <linux/clocksource.h> #include <linux/platform_device.h> +#include <linux/sched/clock.h> #include <linux/ftrace.h> #include <asm/oplib.h> @@ -543,6 +544,7 @@ static void mostek_write_byte(struct device *dev, u32 ofs, u8 val) static struct m48t59_plat_data m48t59_data = { .read_byte = mostek_read_byte, .write_byte = mostek_write_byte, + .yy_offset = 68, }; static struct platform_device m48t59_rtc = { diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index dd048023bff5..28cb0d66ab40 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -250,7 +250,7 @@ void sun4v_insn_access_exception_tl1(struct pt_regs *regs, unsigned long addr, u sun4v_insn_access_exception(regs, addr, type_ctx); } -bool is_no_fault_exception(struct pt_regs *regs) +static bool is_no_fault_exception(struct pt_regs *regs) { unsigned char asi; u32 insn; @@ -2032,7 +2032,7 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, /* Handle memory corruption detected error which is vectored in * through resumable error trap. */ -void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent) +static void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent) { if (notify_die(DIE_TRAP, "MCD error", regs, 0, 0x34, SIGSEGV) == NOTIFY_STOP) @@ -2150,9 +2150,9 @@ static unsigned long sun4v_get_vaddr(struct pt_regs *regs) /* Attempt to handle non-resumable errors generated from userspace. * Returns true if the signal was handled, false otherwise. */ -bool sun4v_nonresum_error_user_handled(struct pt_regs *regs, - struct sun4v_error_entry *ent) { - +static bool sun4v_nonresum_error_user_handled(struct pt_regs *regs, + struct sun4v_error_entry *ent) +{ unsigned int attrs = ent->err_attrs; if (attrs & SUN4V_ERR_ATTRS_MEMORY) { diff --git a/arch/sparc/kernel/uprobes.c b/arch/sparc/kernel/uprobes.c index 1a0600206bf5..305017bec164 100644 --- a/arch/sparc/kernel/uprobes.c +++ b/arch/sparc/kernel/uprobes.c @@ -18,6 +18,8 @@ #include <asm/cacheflush.h> +#include "kernel.h" + /* Compute the address of the breakpoint instruction and return it. * * Note that uprobe_get_swbp_addr is defined as a weak symbol in diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index b78df3a15a72..1a1a9d6b8f2e 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -54,10 +54,10 @@ static int vio_hotplug(const struct device *dev, struct kobj_uevent_env *env) return 0; } -static int vio_bus_match(struct device *dev, struct device_driver *drv) +static int vio_bus_match(struct device *dev, const struct device_driver *drv) { struct vio_dev *vio_dev = to_vio_dev(dev); - struct vio_driver *vio_drv = to_vio_driver(drv); + const struct vio_driver *vio_drv = to_vio_driver(drv); const struct vio_device_id *matches = vio_drv->id_table; if (!matches) @@ -149,7 +149,7 @@ static struct attribute *vio_dev_attrs[] = { }; ATTRIBUTE_GROUPS(vio_dev); -static struct bus_type vio_bus_type = { +static const struct bus_type vio_bus_type = { .name = "vio", .dev_groups = vio_dev_groups, .uevent = vio_hotplug, @@ -419,13 +419,13 @@ struct vio_remove_node_data { u64 node; }; -static int vio_md_node_match(struct device *dev, void *arg) +static int vio_md_node_match(struct device *dev, const void *arg) { struct vio_dev *vdev = to_vio_dev(dev); - struct vio_remove_node_data *node_data; + const struct vio_remove_node_data *node_data; u64 node; - node_data = (struct vio_remove_node_data *)arg; + node_data = (const struct vio_remove_node_data *)arg; node = vio_vdev_node(node_data->hp, vdev); diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index d317a843f7ea..f1b86eb30340 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -48,6 +48,11 @@ SECTIONS { _text = .; HEAD_TEXT + ALIGN_FUNCTION(); +#ifdef CONFIG_SPARC64 + /* Match text section symbols in head_64.S first */ + *head_64.o(.text) +#endif TEXT_TEXT SCHED_TEXT LOCK_TEXT diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 59669ebddd4e..5724d0f356eb 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -14,7 +14,7 @@ lib-$(CONFIG_SPARC32) += divdi3.o udivdi3.o lib-$(CONFIG_SPARC32) += copy_user.o locks.o lib-$(CONFIG_SPARC64) += atomic_64.o lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o -lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o +lib-$(CONFIG_SPARC32) += muldi3.o bitext.o lib-$(CONFIG_SPARC64) += multi3.o lib-$(CONFIG_SPARC64) += fls.o lib-$(CONFIG_SPARC64) += fls64.o @@ -51,5 +51,7 @@ lib-$(CONFIG_SPARC64) += copy_in_user.o memmove.o lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o obj-$(CONFIG_SPARC64) += iomap.o -obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o +obj-$(CONFIG_SPARC32) += atomic32.o obj-$(CONFIG_SPARC64) += PeeCeeI.o +obj-$(CONFIG_CRC32_ARCH) += crc32-sparc.o +crc32-sparc-y := crc32_glue.o crc32c_asm.o diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index cf80d1ae352b..8ae880ebf07a 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -159,32 +159,27 @@ unsigned long sp32___change_bit(unsigned long *addr, unsigned long mask) } EXPORT_SYMBOL(sp32___change_bit); -unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new) -{ - unsigned long flags; - u32 prev; - - spin_lock_irqsave(ATOMIC_HASH(ptr), flags); - if ((prev = *ptr) == old) - *ptr = new; - spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags); - - return (unsigned long)prev; -} +#define CMPXCHG(T) \ + T __cmpxchg_##T(volatile T *ptr, T old, T new) \ + { \ + unsigned long flags; \ + T prev; \ + \ + spin_lock_irqsave(ATOMIC_HASH(ptr), flags); \ + if ((prev = *ptr) == old) \ + *ptr = new; \ + spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags);\ + \ + return prev; \ + } + +CMPXCHG(u8) +CMPXCHG(u16) +CMPXCHG(u32) +CMPXCHG(u64) +EXPORT_SYMBOL(__cmpxchg_u8); +EXPORT_SYMBOL(__cmpxchg_u16); 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) diff --git a/arch/sparc/lib/cmpdi2.c b/arch/sparc/lib/cmpdi2.c deleted file mode 100644 index 333367fe7353..000000000000 --- a/arch/sparc/lib/cmpdi2.c +++ /dev/null @@ -1,28 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <linux/module.h> - -#include "libgcc.h" - -word_type __cmpdi2(long long a, long long b) -{ - const DWunion au = { - .ll = a - }; - const DWunion bu = { - .ll = b - }; - - if (au.s.high < bu.s.high) - return 0; - else if (au.s.high > bu.s.high) - return 2; - - if ((unsigned int) au.s.low < (unsigned int) bu.s.low) - return 0; - else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) - return 2; - - return 1; -} - -EXPORT_SYMBOL(__cmpdi2); diff --git a/arch/sparc/lib/crc32_glue.c b/arch/sparc/lib/crc32_glue.c new file mode 100644 index 000000000000..41076d2b1fd2 --- /dev/null +++ b/arch/sparc/lib/crc32_glue.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Glue code for CRC32C optimized for sparc64 crypto opcodes. + * + * This is based largely upon arch/x86/crypto/crc32c-intel.c + * + * Copyright (C) 2008 Intel Corporation + * Authors: Austin Zhang <austin_zhang@linux.intel.com> + * Kent Liu <kent.liu@intel.com> + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/crc32.h> +#include <asm/pstate.h> +#include <asm/elf.h> + +static DEFINE_STATIC_KEY_FALSE(have_crc32c_opcode); + +u32 crc32_le_arch(u32 crc, const u8 *data, size_t len) +{ + return crc32_le_base(crc, data, len); +} +EXPORT_SYMBOL(crc32_le_arch); + +void crc32c_sparc64(u32 *crcp, const u64 *data, size_t len); + +u32 crc32c_le_arch(u32 crc, const u8 *data, size_t len) +{ + size_t n = -(uintptr_t)data & 7; + + if (!static_branch_likely(&have_crc32c_opcode)) + return crc32c_le_base(crc, data, len); + + if (n) { + /* Data isn't 8-byte aligned. Align it. */ + n = min(n, len); + crc = crc32c_le_base(crc, data, n); + data += n; + len -= n; + } + n = len & ~7U; + if (n) { + crc32c_sparc64(&crc, (const u64 *)data, n); + data += n; + len -= n; + } + if (len) + crc = crc32c_le_base(crc, data, len); + return crc; +} +EXPORT_SYMBOL(crc32c_le_arch); + +u32 crc32_be_arch(u32 crc, const u8 *data, size_t len) +{ + return crc32_be_base(crc, data, len); +} +EXPORT_SYMBOL(crc32_be_arch); + +static int __init crc32_sparc_init(void) +{ + unsigned long cfr; + + if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO)) + return 0; + + __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); + if (!(cfr & CFR_CRC32C)) + return 0; + + static_branch_enable(&have_crc32c_opcode); + pr_info("Using sparc64 crc32c opcode optimized CRC32C implementation\n"); + return 0; +} +arch_initcall(crc32_sparc_init); + +static void __exit crc32_sparc_exit(void) +{ +} +module_exit(crc32_sparc_exit); + +u32 crc32_optimizations(void) +{ + if (static_key_enabled(&have_crc32c_opcode)) + return CRC32C_OPTIMIZATION; + return 0; +} +EXPORT_SYMBOL(crc32_optimizations); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated"); diff --git a/arch/sparc/crypto/crc32c_asm.S b/arch/sparc/lib/crc32c_asm.S index b8659a479242..ee454fa6aed6 100644 --- a/arch/sparc/crypto/crc32c_asm.S +++ b/arch/sparc/lib/crc32c_asm.S @@ -3,7 +3,7 @@ #include <asm/visasm.h> #include <asm/asi.h> -#include "opcodes.h" +#include "../crypto/opcodes.h" ENTRY(crc32c_sparc64) /* %o0=crc32p, %o1=data_ptr, %o2=len */ diff --git a/arch/sparc/lib/ucmpdi2.c b/arch/sparc/lib/ucmpdi2.c deleted file mode 100644 index 82c1cccb1264..000000000000 --- a/arch/sparc/lib/ucmpdi2.c +++ /dev/null @@ -1,20 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <linux/module.h> -#include "libgcc.h" - -word_type __ucmpdi2(unsigned long long a, unsigned long long b) -{ - const DWunion au = {.ll = a}; - const DWunion bu = {.ll = b}; - - if ((unsigned int) au.s.high < (unsigned int) bu.s.high) - return 0; - else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) - return 2; - if ((unsigned int) au.s.low < (unsigned int) bu.s.low) - return 0; - else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) - return 2; - return 1; -} -EXPORT_SYMBOL(__ucmpdi2); diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index 809d993f6d88..2d1752108d77 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -14,3 +14,5 @@ obj-$(CONFIG_SPARC32) += leon_mm.o # Only used by sparc64 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o + +obj-$(CONFIG_EXECMEM) += execmem.o diff --git a/arch/sparc/mm/execmem.c b/arch/sparc/mm/execmem.c new file mode 100644 index 000000000000..0fac97dd5728 --- /dev/null +++ b/arch/sparc/mm/execmem.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/mm.h> +#include <linux/execmem.h> + +static struct execmem_info execmem_info __ro_after_init; + +struct execmem_info __init *execmem_arch_setup(void) +{ + execmem_info = (struct execmem_info){ + .ranges = { + [EXECMEM_DEFAULT] = { + .start = MODULES_VADDR, + .end = MODULES_END, + .pgprot = PAGE_KERNEL, + .alignment = 1, + }, + }, + }; + + return &execmem_info; +} diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index b432500c13a5..80504148d8a5 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -19,117 +19,6 @@ #include <asm/cacheflush.h> #include <asm/mmu_context.h> -/* Slightly simplified from the non-hugepage variant because by - * definition we don't have to worry about any page coloring stuff - */ - -static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - unsigned long addr, - unsigned long len, - unsigned long pgoff, - unsigned long flags) -{ - struct hstate *h = hstate_file(filp); - unsigned long task_size = TASK_SIZE; - struct vm_unmapped_area_info info; - - if (test_thread_flag(TIF_32BIT)) - task_size = STACK_TOP32; - - info.flags = 0; - info.length = len; - info.low_limit = TASK_UNMAPPED_BASE; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } - - return addr; -} - -static unsigned long -hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - const unsigned long len, - const unsigned long pgoff, - const unsigned long flags) -{ - struct hstate *h = hstate_file(filp); - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - struct vm_unmapped_area_info info; - - /* This should only ever run for 32-bit processes. */ - BUG_ON(!test_thread_flag(TIF_32BIT)); - - info.flags = VM_UNMAPPED_AREA_TOPDOWN; - info.length = len; - info.low_limit = PAGE_SIZE; - info.high_limit = mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; - addr = vm_unmapped_area(&info); - - /* - * A failed mmap() very likely causes application failure, - * so fall back to the bottom-up function here. This scenario - * can happen with large stack limits and large mmap() - * allocations. - */ - if (addr & ~PAGE_MASK) { - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } - - return addr; -} - -unsigned long -hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - unsigned long len, unsigned long pgoff, unsigned long flags) -{ - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - unsigned long task_size = TASK_SIZE; - - if (test_thread_flag(TIF_32BIT)) - task_size = STACK_TOP32; - - if (len & ~huge_page_mask(h)) - return -EINVAL; - if (len > task_size) - return -ENOMEM; - - if (flags & MAP_FIXED) { - if (prepare_hugepage_range(file, addr, len)) - return -EINVAL; - return addr; - } - - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); - if (task_size - len >= addr && - (!vma || addr + len <= vm_start_gap(vma))) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, - pgoff, flags); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, - pgoff, flags); -} static pte_t sun4u_hugepage_shift_to_tte(pte_t entry, unsigned int shift) { @@ -371,7 +260,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, } pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) + pte_t *ptep, unsigned long sz) { unsigned int i, nptes, orig_shift, shift; unsigned long size; @@ -407,18 +296,6 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, return entry; } -int pmd_huge(pmd_t pmd) -{ - return !pmd_none(pmd) && - (pmd_val(pmd) & (_PAGE_VALID|_PAGE_PMD_HUGE)) != _PAGE_VALID; -} - -int pud_huge(pud_t pud) -{ - return !pud_none(pud) && - (pud_val(pud) & (_PAGE_VALID|_PAGE_PUD_HUGE)) != _PAGE_VALID; -} - static void hugetlb_free_pte_range(struct mmu_gather *tlb, pmd_t *pmd, unsigned long addr) { diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index f83017992eaa..05882bca5b73 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -490,7 +490,7 @@ void flush_dcache_folio(struct folio *folio) } set_dcache_dirty(folio, this_cpu); } else { - /* We could delay the flush for the !page_mapping + /* We could delay the flush for the !folio_mapping * case too. But that case is for exec env/arg * pages and those are %99 certainly going to get * faulted into the tlb (and thus flushed) anyways. @@ -1075,14 +1075,9 @@ static void __init allocate_node_data(int nid) { struct pglist_data *p; unsigned long start_pfn, end_pfn; -#ifdef CONFIG_NUMA - NODE_DATA(nid) = memblock_alloc_node(sizeof(struct pglist_data), - SMP_CACHE_BYTES, nid); - if (!NODE_DATA(nid)) { - prom_printf("Cannot allocate pglist_data for nid[%d]\n", nid); - prom_halt(); - } +#ifdef CONFIG_NUMA + alloc_node_data(nid); NODE_DATA(nid)->node_id = nid; #endif @@ -1115,11 +1110,9 @@ static void init_node_masks_nonnuma(void) } #ifdef CONFIG_NUMA -struct pglist_data *node_data[MAX_NUMNODES]; EXPORT_SYMBOL(numa_cpu_lookup_table); EXPORT_SYMBOL(numa_cpumask_lookup_table); -EXPORT_SYMBOL(node_data); static int scan_pio_for_cfg_handle(struct mdesc_handle *md, u64 pio, u32 cfg_handle) @@ -1665,14 +1658,14 @@ bool kern_addr_valid(unsigned long addr) if (pud_none(*pud)) return false; - if (pud_large(*pud)) + if (pud_leaf(*pud)) return pfn_valid(pud_pfn(*pud)); pmd = pmd_offset(pud, addr); if (pmd_none(*pmd)) return false; - if (pmd_large(*pmd)) + if (pmd_leaf(*pmd)) return pfn_valid(pmd_pfn(*pmd)); pte = pte_offset_kernel(pmd, addr); @@ -2640,11 +2633,6 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend, return 0; } - -void vmemmap_free(unsigned long start, unsigned long end, - struct vmem_altmap *altmap) -{ -} #endif /* CONFIG_SPARSEMEM_VMEMMAP */ /* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */ @@ -2927,7 +2915,7 @@ static void __pte_free(pgtable_t pte) { struct ptdesc *ptdesc = virt_to_ptdesc(pte); - pagetable_pte_dtor(ptdesc); + pagetable_dtor(ptdesc); pagetable_free(ptdesc); } @@ -2968,7 +2956,7 @@ void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, struct mm_struct *mm; pmd_t entry = *pmd; - if (!pmd_large(entry) || !pmd_young(entry)) + if (!pmd_leaf(entry) || !pmd_young(entry)) return; pte = pmd_val(entry); diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c index ec61ff1f96b7..1dc9b3d70eda 100644 --- a/arch/sparc/mm/leon_mm.c +++ b/arch/sparc/mm/leon_mm.c @@ -39,12 +39,10 @@ unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr) unsigned int ctxtbl; unsigned int pgd, pmd, ped; unsigned int ptr; - unsigned int lvl, pte, paddrbase; + unsigned int lvl, pte; unsigned int ctx; unsigned int paddr_calc; - paddrbase = 0; - if (srmmu_swprobe_trace) printk(KERN_INFO "swprobe: trace on\n"); @@ -73,7 +71,6 @@ unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr) printk(KERN_INFO "swprobe: pgd is entry level 3\n"); lvl = 3; pte = pgd; - paddrbase = pgd & _SRMMU_PTE_PMASK_LEON; goto ready; } if (((pgd & SRMMU_ET_MASK) != SRMMU_ET_PTD)) { @@ -96,7 +93,6 @@ unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr) printk(KERN_INFO "swprobe: pmd is entry level 2\n"); lvl = 2; pte = pmd; - paddrbase = pmd & _SRMMU_PTE_PMASK_LEON; goto ready; } if (((pmd & SRMMU_ET_MASK) != SRMMU_ET_PTD)) { @@ -124,7 +120,6 @@ unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr) printk(KERN_INFO "swprobe: ped is entry level 1\n"); lvl = 1; pte = ped; - paddrbase = ped & _SRMMU_PTE_PMASK_LEON; goto ready; } if (((ped & SRMMU_ET_MASK) != SRMMU_ET_PTD)) { @@ -147,7 +142,6 @@ unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr) printk(KERN_INFO "swprobe: ptr is entry level 0\n"); lvl = 0; pte = ptr; - paddrbase = ptr & _SRMMU_PTE_PMASK_LEON; goto ready; } if (srmmu_swprobe_trace) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 8393faa3e596..dd32711022f5 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -277,19 +277,13 @@ static void __init srmmu_nocache_init(void) bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT; - srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size, + srmmu_nocache_pool = memblock_alloc_or_panic(srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX); - if (!srmmu_nocache_pool) - panic("%s: Failed to allocate %lu bytes align=0x%x\n", - __func__, srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX); memset(srmmu_nocache_pool, 0, srmmu_nocache_size); srmmu_nocache_bitmap = - memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long), + memblock_alloc_or_panic(BITS_TO_LONGS(bitmap_bits) * sizeof(long), SMP_CACHE_BYTES); - if (!srmmu_nocache_bitmap) - panic("%s: Failed to allocate %zu bytes\n", __func__, - BITS_TO_LONGS(bitmap_bits) * sizeof(long)); bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits); srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE); @@ -372,7 +366,7 @@ void pte_free(struct mm_struct *mm, pgtable_t ptep) page = pfn_to_page(__nocache_pa((unsigned long)ptep) >> PAGE_SHIFT); spin_lock(&mm->page_table_lock); if (page_ref_dec_return(page) == 1) - pagetable_pte_dtor(page_ptdesc(page)); + pagetable_dtor(page_ptdesc(page)); spin_unlock(&mm->page_table_lock); srmmu_free_nocache(ptep, SRMMU_PTE_TABLE_SIZE); @@ -452,9 +446,7 @@ static void __init sparc_context_init(int numctx) unsigned long size; size = numctx * sizeof(struct ctx_list); - ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES); - if (!ctx_list_pool) - panic("%s: Failed to allocate %lu bytes\n", __func__, size); + ctx_list_pool = memblock_alloc_or_panic(size, SMP_CACHE_BYTES); for (ctx = 0; ctx < numctx; ctx++) { struct ctx_list *clist; @@ -1513,7 +1505,7 @@ static void __init init_viking(void) /* * We need this to make sure old viking takes no hits - * on it's cache for dma snoops to workaround the + * on its cache for dma snoops to workaround the * "load from non-cacheable memory" interrupt bug. * This is only necessary because of the new way in * which we use the IOMMU. @@ -1653,13 +1645,15 @@ static void smp_flush_tlb_all(void) local_ops->tlb_all(); } +static bool any_other_mm_cpus(struct mm_struct *mm) +{ + return cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids; +} + static void smp_flush_cache_mm(struct mm_struct *mm) { if (mm->context != NO_CONTEXT) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) + if (any_other_mm_cpus(mm)) xc1(local_ops->cache_mm, (unsigned long)mm); local_ops->cache_mm(mm); } @@ -1668,10 +1662,7 @@ static void smp_flush_cache_mm(struct mm_struct *mm) static void smp_flush_tlb_mm(struct mm_struct *mm) { if (mm->context != NO_CONTEXT) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) { + if (any_other_mm_cpus(mm)) { xc1(local_ops->tlb_mm, (unsigned long)mm); if (atomic_read(&mm->mm_users) == 1 && current->active_mm == mm) cpumask_copy(mm_cpumask(mm), @@ -1688,10 +1679,7 @@ static void smp_flush_cache_range(struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; if (mm->context != NO_CONTEXT) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) + if (any_other_mm_cpus(mm)) xc3(local_ops->cache_range, (unsigned long)vma, start, end); local_ops->cache_range(vma, start, end); @@ -1705,10 +1693,7 @@ static void smp_flush_tlb_range(struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; if (mm->context != NO_CONTEXT) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) + if (any_other_mm_cpus(mm)) xc3(local_ops->tlb_range, (unsigned long)vma, start, end); local_ops->tlb_range(vma, start, end); @@ -1720,10 +1705,7 @@ static void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page) struct mm_struct *mm = vma->vm_mm; if (mm->context != NO_CONTEXT) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) + if (any_other_mm_cpus(mm)) xc2(local_ops->cache_page, (unsigned long)vma, page); local_ops->cache_page(vma, page); } @@ -1734,10 +1716,7 @@ static void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) struct mm_struct *mm = vma->vm_mm; if (mm->context != NO_CONTEXT) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) + if (any_other_mm_cpus(mm)) xc2(local_ops->tlb_page, (unsigned long)vma, page); local_ops->tlb_page(vma, page); } @@ -1759,10 +1738,7 @@ static void smp_flush_page_to_ram(unsigned long page) static void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr) { - cpumask_t cpu_mask; - cpumask_copy(&cpu_mask, mm_cpumask(mm)); - cpumask_clear_cpu(smp_processor_id(), &cpu_mask); - if (!cpumask_empty(&cpu_mask)) + if (any_other_mm_cpus(mm)) xc2(local_ops->sig_insns, (unsigned long)mm, insn_addr); local_ops->sig_insns(mm, insn_addr); } diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index b44d79d778c7..8648a50afe88 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -183,12 +183,12 @@ static void __set_pmd_acct(struct mm_struct *mm, unsigned long addr, * hugetlb_pte_count. */ if (pmd_val(pmd) & _PAGE_PMD_HUGE) { - if (is_huge_zero_page(pmd_page(pmd))) + if (is_huge_zero_pmd(pmd)) mm->context.hugetlb_pte_count++; else mm->context.thp_pte_count++; } else { - if (is_huge_zero_page(pmd_page(orig))) + if (is_huge_zero_pmd(orig)) mm->context.hugetlb_pte_count--; else mm->context.thp_pte_count--; @@ -249,6 +249,7 @@ pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, { pmd_t old, entry; + VM_WARN_ON_ONCE(!pmd_present(*pmdp)); entry = __pmd(pmd_val(*pmdp) & ~_PAGE_VALID); old = pmdp_establish(vma, address, pmdp, entry); flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); @@ -259,7 +260,7 @@ pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, * Sanity check pmd before doing the actual decrement. */ if ((pmd_val(entry) & _PAGE_PMD_HUGE) && - !is_huge_zero_page(pmd_page(entry))) + !is_huge_zero_pmd(entry)) (vma->vm_mm)->context.thp_pte_count--; return old; diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 6acd8a4c1e2a..5fe52a64c7e7 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -385,7 +385,7 @@ static unsigned long tsb_size_to_rss_limit(unsigned long new_size) * will not trigger any longer. * * The TSB can be anywhere from 8K to 1MB in size, in increasing powers - * of two. The TSB must be aligned to it's size, so f.e. a 512K TSB + * of two. The TSB must be aligned to its size, so f.e. a 512K TSB * must be 512K aligned. It also must be physically contiguous, so we * cannot use vmalloc(). * diff --git a/arch/sparc/net/bpf_jit_comp_32.c b/arch/sparc/net/bpf_jit_comp_32.c index a74e5004c6c8..bda2dbd3f4c5 100644 --- a/arch/sparc/net/bpf_jit_comp_32.c +++ b/arch/sparc/net/bpf_jit_comp_32.c @@ -1,10 +1,10 @@ // SPDX-License-Identifier: GPL-2.0 -#include <linux/moduleloader.h> #include <linux/workqueue.h> #include <linux/netdevice.h> #include <linux/filter.h> #include <linux/cache.h> #include <linux/if_vlan.h> +#include <linux/execmem.h> #include <asm/cacheflush.h> #include <asm/ptrace.h> @@ -300,7 +300,7 @@ do { *prog++ = BR_OPC | WDISP22(OFF); \ * * The most common case is to emit a branch at the end of such * a code sequence. So this would be two instructions, the - * branch and it's delay slot. + * branch and its delay slot. * * Therefore by default the branch emitters calculate the branch * offset field as: @@ -309,13 +309,13 @@ do { *prog++ = BR_OPC | WDISP22(OFF); \ * * This "addrs[i] - 8" is the address of the branch itself or * what "." would be in assembler notation. The "8" part is - * how we take into consideration the branch and it's delay + * how we take into consideration the branch and its delay * slot mentioned above. * * Sometimes we need to emit a branch earlier in the code * sequence. And in these situations we adjust "destination" * to accommodate this difference. For example, if we needed - * to emit a branch (and it's delay slot) right before the + * to emit a branch (and its delay slot) right before the * final instruction emitted for a BPF opcode, we'd use * "destination + 4" instead of just plain "destination" above. * @@ -713,7 +713,7 @@ cond_branch: f_offset = addrs[i + filter[i].jf]; if (unlikely(proglen + ilen > oldproglen)) { pr_err("bpb_jit_compile fatal error\n"); kfree(addrs); - module_memfree(image); + execmem_free(image); return; } memcpy(image + proglen, temp, ilen); @@ -736,7 +736,7 @@ cond_branch: f_offset = addrs[i + filter[i].jf]; break; } if (proglen == oldproglen) { - image = module_alloc(proglen); + image = execmem_alloc(EXECMEM_BPF, proglen); if (!image) goto out; } @@ -758,7 +758,7 @@ out: void bpf_jit_free(struct bpf_prog *fp) { if (fp->jited) - module_memfree(fp->bpf_func); + execmem_free(fp->bpf_func); bpf_prog_unlock_free(fp); } diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c index fa0759bfe498..73bf0aea8baf 100644 --- a/arch/sparc/net/bpf_jit_comp_64.c +++ b/arch/sparc/net/bpf_jit_comp_64.c @@ -1602,7 +1602,11 @@ skip_init_ctx: bpf_flush_icache(header, (u8 *)header + header->size); if (!prog->is_func || extra_pass) { - bpf_jit_binary_lock_ro(header); + if (bpf_jit_binary_lock_ro(header)) { + bpf_jit_binary_free(header); + prog = orig_prog; + goto out_off; + } } else { jit_data->ctx = ctx; jit_data->image = image_ptr; diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c index 47b06f4af1f9..da8e2bc2e516 100644 --- a/arch/sparc/power/hibernate.c +++ b/arch/sparc/power/hibernate.c @@ -5,6 +5,7 @@ * Copyright (C) 2013 Kirill V Tkhai (tkhai@yandex.ru) */ +#include <linux/suspend.h> #include <linux/mm.h> #include <asm/hibernate.h> diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c index 103aa9104318..f7b8a1a865b8 100644 --- a/arch/sparc/prom/init_64.c +++ b/arch/sparc/prom/init_64.c @@ -26,9 +26,6 @@ phandle prom_chosen_node; * routines in the prom library. * It gets passed the pointer to the PROM vector. */ - -extern void prom_cif_init(void *); - void __init prom_init(void *cif_handler) { phandle node; diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c index aed94cd4a1e7..3792736ff21f 100644 --- a/arch/sparc/prom/misc_64.c +++ b/arch/sparc/prom/misc_64.c @@ -162,7 +162,7 @@ unsigned char prom_get_idprom(char *idbuf, int num_bytes) return 0xff; } -int prom_get_mmu_ihandle(void) +static int prom_get_mmu_ihandle(void) { phandle node; int ret; diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c index 889aa602f8d8..51c3f984bbf7 100644 --- a/arch/sparc/prom/p1275.c +++ b/arch/sparc/prom/p1275.c @@ -49,7 +49,7 @@ void p1275_cmd_direct(unsigned long *args) local_irq_restore(flags); } -void prom_cif_init(void *cif_handler, void *cif_stack) +void prom_cif_init(void *cif_handler) { p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; } diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c index 989e7992d629..88793e5b0ab5 100644 --- a/arch/sparc/prom/tree_64.c +++ b/arch/sparc/prom/tree_64.c @@ -332,7 +332,7 @@ prom_setprop(phandle node, const char *pname, char *value, int size) if (size == 0) return 0; - if ((pname == 0) || (value == 0)) + if ((pname == NULL) || (value == NULL)) return 0; #ifdef CONFIG_SUN_LDOMS diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index 7f5eedf1f5e0..50ec2978cda5 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -46,7 +46,7 @@ CFL := $(PROFILING) -mcmodel=medlow -fPIC -O2 -fasynchronous-unwind-tables -m64 -fno-omit-frame-pointer -foptimize-sibling-calls \ -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO -SPARC_REG_CFLAGS = -ffixed-g4 -ffixed-g5 -fcall-used-g5 -fcall-used-g7 +SPARC_REG_CFLAGS = -ffixed-g4 -ffixed-g5 $(call cc-option,-fcall-used-g5) $(call cc-option,-fcall-used-g7) $(vobjs): KBUILD_CFLAGS := $(filter-out $(RANDSTRUCT_CFLAGS) $(GCC_PLUGINS_CFLAGS) $(SPARC_REG_CFLAGS),$(KBUILD_CFLAGS)) $(CFL) @@ -102,7 +102,6 @@ quiet_cmd_vdso = VDSO $@ cmd_vdso = $(LD) -nostdlib -o $@ \ $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ -T $(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(srctree)/$(src)/checkundef.sh '$(OBJDUMP)' '$@' + sh $(src)/checkundef.sh '$(OBJDUMP)' '$@' VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic -GCOV_PROFILE := n diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c index e794edde6755..79607804ea1b 100644 --- a/arch/sparc/vdso/vclock_gettime.c +++ b/arch/sparc/vdso/vclock_gettime.c @@ -86,6 +86,11 @@ notrace static long vdso_fallback_gettimeofday(struct __kernel_old_timeval *tv, } #ifdef CONFIG_SPARC64 +notrace static __always_inline u64 __shr64(u64 val, int amt) +{ + return val >> amt; +} + notrace static __always_inline u64 vread_tick(void) { u64 ret; @@ -102,6 +107,21 @@ notrace static __always_inline u64 vread_tick_stick(void) return ret; } #else +notrace static __always_inline u64 __shr64(u64 val, int amt) +{ + u64 ret; + + __asm__ __volatile__("sllx %H1, 32, %%g1\n\t" + "srl %L1, 0, %L1\n\t" + "or %%g1, %L1, %%g1\n\t" + "srlx %%g1, %2, %L0\n\t" + "srlx %L0, 32, %H0" + : "=r" (ret) + : "r" (val), "r" (amt) + : "g1"); + return ret; +} + notrace static __always_inline u64 vread_tick(void) { register unsigned long long ret asm("o4"); @@ -154,7 +174,7 @@ notrace static __always_inline int do_realtime(struct vvar_data *vvar, ts->tv_sec = vvar->wall_time_sec; ns = vvar->wall_time_snsec; ns += vgetsns(vvar); - ns >>= vvar->clock.shift; + ns = __shr64(ns, vvar->clock.shift); } while (unlikely(vvar_read_retry(vvar, seq))); ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); @@ -174,7 +194,7 @@ notrace static __always_inline int do_realtime_stick(struct vvar_data *vvar, ts->tv_sec = vvar->wall_time_sec; ns = vvar->wall_time_snsec; ns += vgetsns_stick(vvar); - ns >>= vvar->clock.shift; + ns = __shr64(ns, vvar->clock.shift); } while (unlikely(vvar_read_retry(vvar, seq))); ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); @@ -194,7 +214,7 @@ notrace static __always_inline int do_monotonic(struct vvar_data *vvar, ts->tv_sec = vvar->monotonic_time_sec; ns = vvar->monotonic_time_snsec; ns += vgetsns(vvar); - ns >>= vvar->clock.shift; + ns = __shr64(ns, vvar->clock.shift); } while (unlikely(vvar_read_retry(vvar, seq))); ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); @@ -214,7 +234,7 @@ notrace static __always_inline int do_monotonic_stick(struct vvar_data *vvar, ts->tv_sec = vvar->monotonic_time_sec; ns = vvar->monotonic_time_snsec; ns += vgetsns_stick(vvar); - ns >>= vvar->clock.shift; + ns = __shr64(ns, vvar->clock.shift); } while (unlikely(vvar_read_retry(vvar, seq))); ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index 136c78f28f8b..bab7a59575e8 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -243,8 +243,9 @@ static int stick_patch(const struct vdso_image *image, struct vdso_elfinfo *e, b * 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, bool elf64) +static int __init init_vdso_image(const struct vdso_image *image, + struct vm_special_mapping *vdso_mapping, + bool elf64) { int cnpages = (image->size) / PAGE_SIZE; struct page *dp, **dpp = NULL; @@ -449,9 +450,8 @@ static __init int vdso_setup(char *s) unsigned long val; err = kstrtoul(s, 10, &val); - if (err) - return err; - vdso_enabled = val; - return 0; + if (!err) + vdso_enabled = val; + return 1; } __setup("vdso=", vdso_setup); diff --git a/arch/sparc/video/Makefile b/arch/sparc/video/Makefile index d4d83f1702c6..dcfbe7a5912c 100644 --- a/arch/sparc/video/Makefile +++ b/arch/sparc/video/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_FB_CORE) += fbdev.o +obj-y += video-common.o diff --git a/arch/sparc/video/fbdev.c b/arch/sparc/video/fbdev.c deleted file mode 100644 index bff66dd1909a..000000000000 --- a/arch/sparc/video/fbdev.c +++ /dev/null @@ -1,26 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include <linux/console.h> -#include <linux/fb.h> -#include <linux/module.h> - -#include <asm/prom.h> - -int fb_is_primary_device(struct fb_info *info) -{ - struct device *dev = info->device; - struct device_node *node; - - if (console_set_on_cmdline) - return 0; - - node = dev->of_node; - if (node && node == of_console_device) - return 1; - - return 0; -} -EXPORT_SYMBOL(fb_is_primary_device); - -MODULE_DESCRIPTION("Sparc fbdev helpers"); -MODULE_LICENSE("GPL"); diff --git a/arch/sparc/video/video-common.c b/arch/sparc/video/video-common.c new file mode 100644 index 000000000000..2414380caadc --- /dev/null +++ b/arch/sparc/video/video-common.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/console.h> +#include <linux/device.h> +#include <linux/module.h> + +#include <asm/prom.h> +#include <asm/video.h> + +bool video_is_primary_device(struct device *dev) +{ + struct device_node *node = dev->of_node; + + if (console_set_on_cmdline) + return false; + + if (node && node == of_console_device) + return true; + + return false; +} +EXPORT_SYMBOL(video_is_primary_device); + +MODULE_DESCRIPTION("Sparc video helpers"); +MODULE_LICENSE("GPL"); |