diff options
Diffstat (limited to 'arch/sh/kernel')
39 files changed, 228 insertions, 602 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 69cd9ac4b2ab..5ef123bc63f8 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -3,7 +3,7 @@ # Makefile for the Linux/SuperH kernel. # -extra-y := vmlinux.lds +always-$(KBUILD_BUILTIN) := vmlinux.lds ifdef CONFIG_FUNCTION_TRACER # Do not profile debug and lowlevel utilities @@ -21,10 +21,7 @@ obj-y := head_32.o debugtraps.o dumpstack.o \ syscalls_32.o time.o topology.o traps.o \ traps_32.o unwinder.o -ifndef CONFIG_GENERIC_IOMAP -obj-y += iomap.o obj-$(CONFIG_HAS_IOPORT_MAP) += ioport.o -endif obj-y += sys_sh32.o obj-y += cpu/ @@ -33,7 +30,8 @@ obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o obj-$(CONFIG_KGDB) += kgdb.o obj-$(CONFIG_MODULES) += sh_ksyms_32.o module.o -obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o +obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o +obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_IO_TRAPPED) += io_trapped.o diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c index a0322e832845..429b6a763146 100644 --- a/arch/sh/kernel/asm-offsets.c +++ b/arch/sh/kernel/asm-offsets.c @@ -8,6 +8,7 @@ * compile this file to assembler, and then extract the * #defines from the assembly-language output. */ +#define COMPILE_OFFSETS #include <linux/stddef.h> #include <linux/types.h> diff --git a/arch/sh/kernel/cpu/proc.c b/arch/sh/kernel/cpu/proc.c index a306bcd6b341..5f6d0e827bae 100644 --- a/arch/sh/kernel/cpu/proc.c +++ b/arch/sh/kernel/cpu/proc.c @@ -132,7 +132,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) static void *c_start(struct seq_file *m, loff_t *pos) { - return *pos < NR_CPUS ? cpu_data + *pos : NULL; + return *pos < nr_cpu_ids ? cpu_data + *pos : NULL; } static void *c_next(struct seq_file *m, void *v, loff_t *pos) { diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index d342ea08843f..70a07f4f2142 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -21,7 +21,7 @@ static int __init scan_cache(unsigned long node, const char *uname, if (!of_flat_dt_is_compatible(node, "jcore,cache")) return 0; - j2_ccr_base = (u32 __iomem *)of_flat_dt_translate_address(node); + j2_ccr_base = ioremap(of_flat_dt_translate_address(node), 4); return 1; } diff --git a/arch/sh/kernel/cpu/sh2a/opcode_helper.c b/arch/sh/kernel/cpu/sh2a/opcode_helper.c index c509081d90b9..fcf53f5827eb 100644 --- a/arch/sh/kernel/cpu/sh2a/opcode_helper.c +++ b/arch/sh/kernel/cpu/sh2a/opcode_helper.c @@ -8,6 +8,8 @@ */ #include <linux/kernel.h> +#include <asm/processor.h> + /* * Instructions on SH are generally fixed at 16-bits, however, SH-2A * introduces some 32-bit instructions. Since there are no real diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index e48b3dd996f5..b1f5b3c58a01 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -470,9 +470,9 @@ ENTRY(handle_interrupt) mov r4, r0 ! save vector->jmp table offset for later shlr2 r4 ! vector to IRQ# conversion - add #-0x10, r4 - cmp/pz r4 ! is it a valid IRQ? + mov #0x10, r5 + cmp/hs r5, r4 ! is it a valid IRQ? bt 10f /* diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile index 00c16331e07e..02e3ee16e15c 100644 --- a/arch/sh/kernel/cpu/sh4/Makefile +++ b/arch/sh/kernel/cpu/sh4/Makefile @@ -23,15 +23,11 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7091) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7751) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7751R) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7760) += setup-sh7760.o -obj-$(CONFIG_CPU_SUBTYPE_SH4_202) += setup-sh4-202.o # Primary on-chip clocks (common) ifndef CONFIG_CPU_SH4A clock-$(CONFIG_CPU_SH4) := clock-sh4.o endif -# Additional clocks by subtype -clock-$(CONFIG_CPU_SUBTYPE_SH4_202) += clock-sh4-202.o - obj-y += $(clock-y) obj-$(CONFIG_PERF_EVENTS) += $(perf-y) diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c deleted file mode 100644 index c1cdef763cb2..000000000000 --- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c +++ /dev/null @@ -1,174 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * arch/sh/kernel/cpu/sh4/clock-sh4-202.c - * - * Additional SH4-202 support for the clock framework - * - * Copyright (C) 2005 Paul Mundt - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/clkdev.h> -#include <asm/clock.h> -#include <asm/freq.h> - -#define CPG2_FRQCR3 0xfe0a0018 - -static int frqcr3_divisors[] = { 1, 2, 3, 4, 6, 8, 16 }; -static int frqcr3_values[] = { 0, 1, 2, 3, 4, 5, 6 }; - -static unsigned long emi_clk_recalc(struct clk *clk) -{ - int idx = __raw_readl(CPG2_FRQCR3) & 0x0007; - return clk->parent->rate / frqcr3_divisors[idx]; -} - -static inline int frqcr3_lookup(struct clk *clk, unsigned long rate) -{ - int divisor = clk->parent->rate / rate; - int i; - - for (i = 0; i < ARRAY_SIZE(frqcr3_divisors); i++) - if (frqcr3_divisors[i] == divisor) - return frqcr3_values[i]; - - /* Safe fallback */ - return 5; -} - -static struct sh_clk_ops sh4202_emi_clk_ops = { - .recalc = emi_clk_recalc, -}; - -static struct clk sh4202_emi_clk = { - .flags = CLK_ENABLE_ON_INIT, - .ops = &sh4202_emi_clk_ops, -}; - -static unsigned long femi_clk_recalc(struct clk *clk) -{ - int idx = (__raw_readl(CPG2_FRQCR3) >> 3) & 0x0007; - return clk->parent->rate / frqcr3_divisors[idx]; -} - -static struct sh_clk_ops sh4202_femi_clk_ops = { - .recalc = femi_clk_recalc, -}; - -static struct clk sh4202_femi_clk = { - .flags = CLK_ENABLE_ON_INIT, - .ops = &sh4202_femi_clk_ops, -}; - -static void shoc_clk_init(struct clk *clk) -{ - int i; - - /* - * For some reason, the shoc_clk seems to be set to some really - * insane value at boot (values outside of the allowable frequency - * range for instance). We deal with this by scaling it back down - * to something sensible just in case. - * - * Start scaling from the high end down until we find something - * that passes rate verification.. - */ - for (i = 0; i < ARRAY_SIZE(frqcr3_divisors); i++) { - int divisor = frqcr3_divisors[i]; - - if (clk->ops->set_rate(clk, clk->parent->rate / divisor) == 0) - break; - } - - WARN_ON(i == ARRAY_SIZE(frqcr3_divisors)); /* Undefined clock */ -} - -static unsigned long shoc_clk_recalc(struct clk *clk) -{ - int idx = (__raw_readl(CPG2_FRQCR3) >> 6) & 0x0007; - return clk->parent->rate / frqcr3_divisors[idx]; -} - -static int shoc_clk_verify_rate(struct clk *clk, unsigned long rate) -{ - struct clk *bclk = clk_get(NULL, "bus_clk"); - unsigned long bclk_rate = clk_get_rate(bclk); - - clk_put(bclk); - - if (rate > bclk_rate) - return 1; - if (rate > 66000000) - return 1; - - return 0; -} - -static int shoc_clk_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long frqcr3; - unsigned int tmp; - - /* Make sure we have something sensible to switch to */ - if (shoc_clk_verify_rate(clk, rate) != 0) - return -EINVAL; - - tmp = frqcr3_lookup(clk, rate); - - frqcr3 = __raw_readl(CPG2_FRQCR3); - frqcr3 &= ~(0x0007 << 6); - frqcr3 |= tmp << 6; - __raw_writel(frqcr3, CPG2_FRQCR3); - - clk->rate = clk->parent->rate / frqcr3_divisors[tmp]; - - return 0; -} - -static struct sh_clk_ops sh4202_shoc_clk_ops = { - .init = shoc_clk_init, - .recalc = shoc_clk_recalc, - .set_rate = shoc_clk_set_rate, -}; - -static struct clk sh4202_shoc_clk = { - .flags = CLK_ENABLE_ON_INIT, - .ops = &sh4202_shoc_clk_ops, -}; - -static struct clk *sh4202_onchip_clocks[] = { - &sh4202_emi_clk, - &sh4202_femi_clk, - &sh4202_shoc_clk, -}; - -static struct clk_lookup lookups[] = { - /* main clocks */ - CLKDEV_CON_ID("emi_clk", &sh4202_emi_clk), - CLKDEV_CON_ID("femi_clk", &sh4202_femi_clk), - CLKDEV_CON_ID("shoc_clk", &sh4202_shoc_clk), -}; - -int __init arch_clk_init(void) -{ - struct clk *clk; - int i, ret = 0; - - cpg_clk_init(); - - clk = clk_get(NULL, "master_clk"); - for (i = 0; i < ARRAY_SIZE(sh4202_onchip_clocks); i++) { - struct clk *clkp = sh4202_onchip_clocks[i]; - - clkp->parent = clk; - ret |= clk_register(clkp); - } - - clk_put(clk); - - clkdev_add_table(lookups, ARRAY_SIZE(lookups)); - - return ret; -} diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c deleted file mode 100644 index e6737f3d0df2..000000000000 --- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c +++ /dev/null @@ -1,139 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * SH4-202 Setup - * - * Copyright (C) 2006 Paul Mundt - * Copyright (C) 2009 Magnus Damm - */ -#include <linux/platform_device.h> -#include <linux/init.h> -#include <linux/serial.h> -#include <linux/serial_sci.h> -#include <linux/sh_timer.h> -#include <linux/sh_intc.h> -#include <linux/io.h> -#include <asm/platform_early.h> - -static struct plat_sci_port scif0_platform_data = { - .scscr = SCSCR_REIE, - .type = PORT_SCIF, -}; - -static struct resource scif0_resources[] = { - DEFINE_RES_MEM(0xffe80000, 0x100), - DEFINE_RES_IRQ(evt2irq(0x700)), - DEFINE_RES_IRQ(evt2irq(0x720)), - DEFINE_RES_IRQ(evt2irq(0x760)), - DEFINE_RES_IRQ(evt2irq(0x740)), -}; - -static struct platform_device scif0_device = { - .name = "sh-sci", - .id = 0, - .resource = scif0_resources, - .num_resources = ARRAY_SIZE(scif0_resources), - .dev = { - .platform_data = &scif0_platform_data, - }, -}; - -static struct sh_timer_config tmu0_platform_data = { - .channels_mask = 7, -}; - -static struct resource tmu0_resources[] = { - DEFINE_RES_MEM(0xffd80000, 0x30), - DEFINE_RES_IRQ(evt2irq(0x400)), - DEFINE_RES_IRQ(evt2irq(0x420)), - DEFINE_RES_IRQ(evt2irq(0x440)), -}; - -static struct platform_device tmu0_device = { - .name = "sh-tmu", - .id = 0, - .dev = { - .platform_data = &tmu0_platform_data, - }, - .resource = tmu0_resources, - .num_resources = ARRAY_SIZE(tmu0_resources), -}; - -static struct platform_device *sh4202_devices[] __initdata = { - &scif0_device, - &tmu0_device, -}; - -static int __init sh4202_devices_setup(void) -{ - return platform_add_devices(sh4202_devices, - ARRAY_SIZE(sh4202_devices)); -} -arch_initcall(sh4202_devices_setup); - -static struct platform_device *sh4202_early_devices[] __initdata = { - &scif0_device, - &tmu0_device, -}; - -void __init plat_early_device_setup(void) -{ - sh_early_platform_add_devices(sh4202_early_devices, - ARRAY_SIZE(sh4202_early_devices)); -} - -enum { - UNUSED = 0, - - /* interrupt sources */ - IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */ - HUDI, TMU0, TMU1, TMU2, RTC, SCIF, WDT, -}; - -static struct intc_vect vectors[] __initdata = { - INTC_VECT(HUDI, 0x600), - INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), - INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460), - INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0), - INTC_VECT(RTC, 0x4c0), - INTC_VECT(SCIF, 0x700), INTC_VECT(SCIF, 0x720), - INTC_VECT(SCIF, 0x740), INTC_VECT(SCIF, 0x760), - INTC_VECT(WDT, 0x560), -}; - -static struct intc_prio_reg prio_registers[] __initdata = { - { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, - { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, 0, 0, 0 } }, - { 0xffd0000c, 0, 16, 4, /* IPRC */ { 0, 0, SCIF, HUDI } }, - { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } }, -}; - -static DECLARE_INTC_DESC(intc_desc, "sh4-202", vectors, NULL, - NULL, prio_registers, NULL); - -static struct intc_vect vectors_irlm[] __initdata = { - INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0), - INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360), -}; - -static DECLARE_INTC_DESC(intc_desc_irlm, "sh4-202_irlm", vectors_irlm, NULL, - NULL, prio_registers, NULL); - -void __init plat_irq_setup(void) -{ - register_intc_controller(&intc_desc); -} - -#define INTC_ICR 0xffd00000UL -#define INTC_ICR_IRLM (1<<7) - -void __init plat_irq_setup_pins(int mode) -{ - switch (mode) { - case IRQ_MODE_IRQ: /* individual interrupt mode for IRL3-0 */ - __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); - register_intc_controller(&intc_desc_irlm); - break; - default: - BUG(); - } -} diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index a76b94e41e91..d289e99dc118 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -103,7 +103,7 @@ static int __sq_remap(struct sq_mapping *map, pgprot_t prot) #if defined(CONFIG_MMU) struct vm_struct *vma; - vma = __get_vm_area_caller(map->size, VM_ALLOC, map->sq_addr, + vma = __get_vm_area_caller(map->size, VM_IOREMAP, map->sq_addr, SQ_ADDRMAX, __builtin_return_address(0)); if (!vma) return -ENOMEM; @@ -372,7 +372,6 @@ static struct subsys_interface sq_interface = { static int __init sq_api_init(void) { unsigned int nr_pages = 0x04000000 >> PAGE_SHIFT; - unsigned int size = (nr_pages + (BITS_PER_LONG - 1)) / BITS_PER_LONG; int ret = -ENOMEM; printk(KERN_NOTICE "sq: Registering store queue API.\n"); @@ -382,7 +381,7 @@ static int __init sq_api_init(void) if (unlikely(!sq_cache)) return ret; - sq_bitmap = kzalloc(size, GFP_KERNEL); + sq_bitmap = bitmap_zalloc(nr_pages, GFP_KERNEL); if (unlikely(!sq_bitmap)) goto out; @@ -393,7 +392,7 @@ static int __init sq_api_init(void) return 0; out: - kfree(sq_bitmap); + bitmap_free(sq_bitmap); kmem_cache_destroy(sq_cache); return ret; @@ -402,7 +401,7 @@ out: static void __exit sq_api_exit(void) { subsys_interface_unregister(&sq_interface); - kfree(sq_bitmap); + bitmap_free(sq_bitmap); kmem_cache_destroy(sq_cache); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index 83ae1ad4a86e..d64d28c4f059 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -14,9 +14,12 @@ #include <linux/sh_timer.h> #include <linux/sh_intc.h> #include <linux/io.h> + +#include <asm/cacheflush.h> #include <asm/clock.h> #include <asm/mmzone.h> #include <asm/platform_early.h> + #include <cpu/sh7723.h> /* Serial */ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c index 0d990ab1ba2a..ef4b26a4b3d6 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/notifier.h> +#include <asm/cacheflush.h> #include <asm/suspend.h> #include <asm/clock.h> #include <asm/mmzone.h> diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c index 67e330b7ea46..2ad19a0c5e04 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c @@ -17,8 +17,11 @@ #include <linux/sh_dma.h> #include <linux/sh_intc.h> #include <linux/usb/ohci_pdriver.h> + #include <cpu/dma-register.h> #include <cpu/sh7757.h> + +#include <asm/mmzone.h> #include <asm/platform_early.h> static struct plat_sci_port scif2_platform_data = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c index 74620f30b19b..c048842d8a58 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c @@ -400,20 +400,6 @@ static struct platform_device *sh7786_devices[] __initdata = { &usb_ohci_device, }; -/* - * Please call this function if your platform board - * use external clock for USB - * */ -#define USBCTL0 0xffe70858 -#define CLOCK_MODE_MASK 0xffffff7f -#define EXT_CLOCK_MODE 0x00000080 - -void __init sh7786_usb_use_exclock(void) -{ - u32 val = __raw_readl(USBCTL0) & CLOCK_MODE_MASK; - __raw_writel(val | EXT_CLOCK_MODE, USBCTL0); -} - #define USBINITREG1 0xffe70094 #define USBINITREG2 0xffe7009c #define USBINITVAL1 0x00ff0040 diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index bf8682e71830..a1b54bedc929 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -24,7 +24,7 @@ #include <asm/dwarf.h> #include <asm/unwinder.h> #include <asm/sections.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <asm/stacktrace.h> /* Reserve enough memory for two stack frames */ @@ -344,7 +344,7 @@ out: * dwarf_lookup_fde - locate the FDE that covers pc * @pc: the program counter */ -struct dwarf_fde *dwarf_lookup_fde(unsigned long pc) +static struct dwarf_fde *dwarf_lookup_fde(unsigned long pc) { struct rb_node **rb_node = &fde_root.rb_node; struct dwarf_fde *fde = NULL; diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index 4adbd4ade319..b603b7968b38 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -64,7 +64,7 @@ ENTRY(_stext) ldc r0, r6_bank #endif -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE mov r4, r12 ! Store device tree blob pointer in r12 #endif @@ -315,7 +315,7 @@ ENTRY(_stext) 10: #endif -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE mov.l 8f, r0 ! Make flat device tree available early. jsr @r0 mov r12, r4 @@ -346,7 +346,7 @@ ENTRY(stack_start) 5: .long start_kernel 6: .long cpu_init 7: .long init_thread_union -#if defined(CONFIG_OF_FLATTREE) +#if defined(CONFIG_OF_EARLY_FLATTREE) 8: .long sh_fdt_init #endif diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index f59814983bd5..045d93f151fd 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -4,6 +4,7 @@ * * Copyright (C) 2002 - 2009 Paul Mundt */ +#include <linux/cpu.h> #include <linux/module.h> #include <linux/init.h> #include <linux/mm.h> @@ -14,6 +15,7 @@ #include <linux/irqflags.h> #include <linux/smp.h> #include <linux/atomic.h> +#include <asm/processor.h> #include <asm/smp.h> #include <asm/bl_bit.h> @@ -25,10 +27,11 @@ void default_idle(void) raw_local_irq_enable(); /* Isn't this racy ? */ cpu_sleep(); + raw_local_irq_disable(); clear_bl_bit(); } -void arch_cpu_idle_dead(void) +void __noreturn arch_cpu_idle_dead(void) { play_dead(); } diff --git a/arch/sh/kernel/iomap.c b/arch/sh/kernel/iomap.c deleted file mode 100644 index 0a0dff4e66de..000000000000 --- a/arch/sh/kernel/iomap.c +++ /dev/null @@ -1,162 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * arch/sh/kernel/iomap.c - * - * Copyright (C) 2000 Niibe Yutaka - * Copyright (C) 2005 - 2007 Paul Mundt - */ -#include <linux/module.h> -#include <linux/io.h> - -unsigned int ioread8(const void __iomem *addr) -{ - return readb(addr); -} -EXPORT_SYMBOL(ioread8); - -unsigned int ioread16(const void __iomem *addr) -{ - return readw(addr); -} -EXPORT_SYMBOL(ioread16); - -unsigned int ioread16be(const void __iomem *addr) -{ - return be16_to_cpu(__raw_readw(addr)); -} -EXPORT_SYMBOL(ioread16be); - -unsigned int ioread32(const void __iomem *addr) -{ - return readl(addr); -} -EXPORT_SYMBOL(ioread32); - -unsigned int ioread32be(const void __iomem *addr) -{ - return be32_to_cpu(__raw_readl(addr)); -} -EXPORT_SYMBOL(ioread32be); - -void iowrite8(u8 val, void __iomem *addr) -{ - writeb(val, addr); -} -EXPORT_SYMBOL(iowrite8); - -void iowrite16(u16 val, void __iomem *addr) -{ - writew(val, addr); -} -EXPORT_SYMBOL(iowrite16); - -void iowrite16be(u16 val, void __iomem *addr) -{ - __raw_writew(cpu_to_be16(val), addr); -} -EXPORT_SYMBOL(iowrite16be); - -void iowrite32(u32 val, void __iomem *addr) -{ - writel(val, addr); -} -EXPORT_SYMBOL(iowrite32); - -void iowrite32be(u32 val, void __iomem *addr) -{ - __raw_writel(cpu_to_be32(val), addr); -} -EXPORT_SYMBOL(iowrite32be); - -/* - * These are the "repeat MMIO read/write" functions. - * Note the "__raw" accesses, since we don't want to - * convert to CPU byte order. We write in "IO byte - * order" (we also don't have IO barriers). - */ -static inline void mmio_insb(const void __iomem *addr, u8 *dst, int count) -{ - while (--count >= 0) { - u8 data = __raw_readb(addr); - *dst = data; - dst++; - } -} - -static inline void mmio_insw(const void __iomem *addr, u16 *dst, int count) -{ - while (--count >= 0) { - u16 data = __raw_readw(addr); - *dst = data; - dst++; - } -} - -static inline void mmio_insl(const void __iomem *addr, u32 *dst, int count) -{ - while (--count >= 0) { - u32 data = __raw_readl(addr); - *dst = data; - dst++; - } -} - -static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count) -{ - while (--count >= 0) { - __raw_writeb(*src, addr); - src++; - } -} - -static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count) -{ - while (--count >= 0) { - __raw_writew(*src, addr); - src++; - } -} - -static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count) -{ - while (--count >= 0) { - __raw_writel(*src, addr); - src++; - } -} - -void ioread8_rep(const void __iomem *addr, void *dst, unsigned long count) -{ - mmio_insb(addr, dst, count); -} -EXPORT_SYMBOL(ioread8_rep); - -void ioread16_rep(const void __iomem *addr, void *dst, unsigned long count) -{ - mmio_insw(addr, dst, count); -} -EXPORT_SYMBOL(ioread16_rep); - -void ioread32_rep(const void __iomem *addr, void *dst, unsigned long count) -{ - mmio_insl(addr, dst, count); -} -EXPORT_SYMBOL(ioread32_rep); - -void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count) -{ - mmio_outsb(addr, src, count); -} -EXPORT_SYMBOL(iowrite8_rep); - -void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count) -{ - mmio_outsw(addr, src, count); -} -EXPORT_SYMBOL(iowrite16_rep); - -void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count) -{ - mmio_outsl(addr, src, count); -} -EXPORT_SYMBOL(iowrite32_rep); diff --git a/arch/sh/kernel/ioport.c b/arch/sh/kernel/ioport.c index f39446a658bd..915a3dfd9f02 100644 --- a/arch/sh/kernel/ioport.c +++ b/arch/sh/kernel/ioport.c @@ -12,15 +12,6 @@ unsigned long sh_io_port_base __read_mostly = -1; EXPORT_SYMBOL(sh_io_port_base); -void __iomem *__ioport_map(unsigned long addr, unsigned int size) -{ - if (sh_mv.mv_ioport_map) - return sh_mv.mv_ioport_map(addr, size); - - return (void __iomem *)(addr + sh_io_port_base); -} -EXPORT_SYMBOL(__ioport_map); - void __iomem *ioport_map(unsigned long port, unsigned int nr) { void __iomem *ret; @@ -29,13 +20,6 @@ void __iomem *ioport_map(unsigned long port, unsigned int nr) if (ret) return ret; - return __ioport_map(port, nr); + return (void __iomem *)(port + sh_io_port_base); } EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ - if (sh_mv.mv_ioport_unmap) - sh_mv.mv_ioport_unmap(addr); -} -EXPORT_SYMBOL(ioport_unmap); diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 4e6835de54cf..9022d8af9d68 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -43,9 +43,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) { int j; - seq_printf(p, "%*s: ", prec, "NMI"); + seq_printf(p, "%*s:", prec, "NMI"); for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat.__nmi_count, j)); + seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat.__nmi_count, j), 10); seq_printf(p, " Non-maskable interrupts\n"); seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c index aed1ea8e2c2f..a250fb1b9420 100644 --- a/arch/sh/kernel/kprobes.c +++ b/arch/sh/kernel/kprobes.c @@ -39,22 +39,17 @@ static DEFINE_PER_CPU(struct kprobe, saved_next_opcode2); int __kprobes arch_prepare_kprobe(struct kprobe *p) { - kprobe_opcode_t opcode = *(kprobe_opcode_t *) (p->addr); + kprobe_opcode_t opcode = *p->addr; if (OPCODE_RTE(opcode)) return -EFAULT; /* Bad breakpoint */ + memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); p->opcode = opcode; return 0; } -void __kprobes arch_copy_kprobe(struct kprobe *p) -{ - memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); - p->opcode = *p->addr; -} - void __kprobes arch_arm_kprobe(struct kprobe *p) { *p->addr = BREAKPOINT_INSTRUCTION; @@ -253,7 +248,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) p = get_kprobe(addr); if (!p) { /* Not one of ours: let kernel handle it */ - if (*(kprobe_opcode_t *)addr != BREAKPOINT_INSTRUCTION) { + if (*addr != BREAKPOINT_INSTRUCTION) { /* * The breakpoint instruction was removed right * after we hit it. Another cpu has removed @@ -301,7 +296,7 @@ static void __used kretprobe_trampoline_holder(void) /* * Called when we hit the probe point at __kretprobe_trampoline */ -int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) +static int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) { regs->pc = __kretprobe_trampoline_handler(regs, NULL); @@ -409,13 +404,10 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) int __kprobes kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data) { - struct kprobe *p = NULL; struct die_args *args = (struct die_args *)data; int ret = NOTIFY_DONE; - kprobe_opcode_t *addr = NULL; struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); - addr = (kprobe_opcode_t *) (args->regs->pc); if (val == DIE_TRAP && args->trapnr == (BREAKPOINT_INSTRUCTION & 0xff)) { if (!kprobe_running()) { @@ -426,7 +418,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, ret = NOTIFY_DONE; } } else { - p = get_kprobe(addr); if ((kcb->kprobe_status == KPROBE_HIT_SS) || (kcb->kprobe_status == KPROBE_REENTER)) { if (post_kprobe_handler(args->regs)) diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c index 223c14f44af7..37073ca1e0ad 100644 --- a/arch/sh/kernel/machine_kexec.c +++ b/arch/sh/kernel/machine_kexec.c @@ -137,24 +137,16 @@ void machine_kexec(struct kimage *image) __ftrace_enabled_restore(save_ftrace_enabled); } -void arch_crash_save_vmcoreinfo(void) -{ -#ifdef CONFIG_NUMA - VMCOREINFO_SYMBOL(node_data); - VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); -#endif -#ifdef CONFIG_X2TLB - VMCOREINFO_CONFIG(X2TLB); -#endif -} - void __init reserve_crashkernel(void) { unsigned long long crash_size, crash_base; int ret; + if (!IS_ENABLED(CONFIG_CRASH_RESERVE)) + return; + ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(), - &crash_size, &crash_base); + &crash_size, &crash_base, NULL, NULL, NULL); if (ret == 0 && crash_size > 0) { crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c index b9cee98a754e..a469a80840d3 100644 --- a/arch/sh/kernel/module.c +++ b/arch/sh/kernel/module.c @@ -18,7 +18,7 @@ #include <linux/fs.h> #include <linux/string.h> #include <linux/kernel.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <asm/dwarf.h> int apply_relocate_add(Elf32_Shdr *sechdrs, diff --git a/arch/sh/kernel/nmi_debug.c b/arch/sh/kernel/nmi_debug.c index 11777867c6f5..a212b645b4cf 100644 --- a/arch/sh/kernel/nmi_debug.c +++ b/arch/sh/kernel/nmi_debug.c @@ -49,7 +49,7 @@ static int __init nmi_debug_setup(char *str) register_die_notifier(&nmi_debug_nb); if (*str != '=') - return 0; + return 1; for (p = str + 1; *p; p = sep + 1) { sep = strchr(p, ','); @@ -70,6 +70,6 @@ static int __init nmi_debug_setup(char *str) break; } - return 0; + return 1; } __setup("nmi_debug", nmi_debug_setup); diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 92b6649d4929..62f753a85b89 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -89,7 +89,7 @@ asmlinkage void ret_from_kernel_thread(void); int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) { - unsigned long clone_flags = args->flags; + u64 clone_flags = args->flags; unsigned long usp = args->stack; unsigned long tls = args->tls; struct thread_info *ti = task_thread_info(p); diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 36f50ad81e83..06f765d71a29 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -291,7 +291,7 @@ static const struct user_regset sh_regsets[] = { * PC, PR, SR, GBR, MACH, MACL, TRA */ [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, + USER_REGSET_NOTE_TYPE(PRSTATUS), .n = ELF_NGREG, .size = sizeof(long), .align = sizeof(long), @@ -301,7 +301,7 @@ static const struct user_regset sh_regsets[] = { #ifdef CONFIG_SH_FPU [REGSET_FPU] = { - .core_note_type = NT_PRFPREG, + USER_REGSET_NOTE_TYPE(PRFPREG), .n = sizeof(struct user_fpu_struct) / sizeof(long), .size = sizeof(long), .align = sizeof(long), diff --git a/arch/sh/kernel/reboot.c b/arch/sh/kernel/reboot.c index e8eeedc9b182..1de006b1c339 100644 --- a/arch/sh/kernel/reboot.c +++ b/arch/sh/kernel/reboot.c @@ -63,7 +63,7 @@ struct machine_ops machine_ops = { .shutdown = native_machine_shutdown, .restart = native_machine_restart, .halt = native_machine_halt, -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .crash_shutdown = native_machine_crash_shutdown, #endif }; @@ -88,7 +88,7 @@ void machine_halt(void) machine_ops.halt(); } -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE void machine_crash_shutdown(struct pt_regs *regs) { machine_ops.crash_shutdown(regs); diff --git a/arch/sh/kernel/return_address.c b/arch/sh/kernel/return_address.c index 8838094c9ff9..2ce22f11eab3 100644 --- a/arch/sh/kernel/return_address.c +++ b/arch/sh/kernel/return_address.c @@ -7,7 +7,9 @@ */ #include <linux/kernel.h> #include <linux/module.h> + #include <asm/dwarf.h> +#include <asm/ftrace.h> #ifdef CONFIG_DWARF_UNWINDER diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 1fcb6659822a..039a51291002 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -7,7 +7,6 @@ * Copyright (C) 1999 Niibe Yutaka * Copyright (C) 2002 - 2010 Paul Mundt */ -#include <linux/screen_info.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/initrd.h> @@ -43,6 +42,7 @@ #include <asm/smp.h> #include <asm/mmu_context.h> #include <asm/mmzone.h> +#include <asm/processor.h> #include <asm/sparsemem.h> #include <asm/platform_early.h> @@ -68,10 +68,6 @@ EXPORT_SYMBOL(cpu_data); struct sh_machine_vector sh_mv = { .mv_name = "generic", }; EXPORT_SYMBOL(sh_mv); -#ifdef CONFIG_VT -struct screen_info screen_info; -#endif - extern int root_mountflags; #define RAMDISK_IMAGE_START_MASK 0x07FF @@ -224,7 +220,7 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn, request_resource(res, &code_resource); request_resource(res, &data_resource); request_resource(res, &bss_resource); -#ifdef CONFIG_KEXEC +#ifdef CONFIG_CRASH_RESERVE request_resource(res, &crashk_res); #endif @@ -244,7 +240,7 @@ void __init __weak plat_early_device_setup(void) { } -#ifdef CONFIG_OF_FLATTREE +#ifdef CONFIG_OF_EARLY_FLATTREE void __ref sh_fdt_init(phys_addr_t dt_phys) { static int done = 0; @@ -253,13 +249,13 @@ void __ref sh_fdt_init(phys_addr_t dt_phys) /* Avoid calling an __init function on secondary cpus. */ if (done) return; -#ifdef CONFIG_USE_BUILTIN_DTB +#ifdef CONFIG_BUILTIN_DTB dt_virt = __dtb_start; #else dt_virt = phys_to_virt(dt_phys); #endif - if (!dt_virt || !early_init_dt_scan(dt_virt)) { + if (!dt_virt || !early_init_dt_scan(dt_virt, __pa(dt_virt))) { pr_crit("Error: invalid device tree blob" " at physical address %p\n", (void *)dt_phys); @@ -304,9 +300,9 @@ void __init setup_arch(char **cmdline_p) bss_resource.end = virt_to_phys(__bss_stop)-1; #ifdef CONFIG_CMDLINE_OVERWRITE - strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); + strscpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); #else - strlcpy(command_line, COMMAND_LINE, sizeof(command_line)); + strscpy(command_line, COMMAND_LINE, sizeof(command_line)); #ifdef CONFIG_CMDLINE_EXTEND strlcat(command_line, " ", sizeof(command_line)); strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line)); @@ -326,8 +322,8 @@ void __init setup_arch(char **cmdline_p) /* Let earlyprintk output early console messages */ sh_early_platform_driver_probe("earlyprintk", 1, 1); -#ifdef CONFIG_OF_FLATTREE -#ifdef CONFIG_USE_BUILTIN_DTB +#ifdef CONFIG_OF_EARLY_FLATTREE +#ifdef CONFIG_BUILTIN_DTB unflatten_and_copy_device_tree(); #else unflatten_device_tree(); @@ -354,3 +350,57 @@ int test_mode_pin(int pin) { return sh_mv.mv_mode_pins() & pin; } + +void __init arch_cpu_finalize_init(void) +{ + char *p = &init_utsname()->machine[2]; /* "sh" */ + + select_idle_routine(); + + current_cpu_data.loops_per_jiffy = loops_per_jiffy; + + switch (current_cpu_data.family) { + case CPU_FAMILY_SH2: + *p++ = '2'; + break; + case CPU_FAMILY_SH2A: + *p++ = '2'; + *p++ = 'a'; + break; + case CPU_FAMILY_SH3: + *p++ = '3'; + break; + case CPU_FAMILY_SH4: + *p++ = '4'; + break; + case CPU_FAMILY_SH4A: + *p++ = '4'; + *p++ = 'a'; + break; + case CPU_FAMILY_SH4AL_DSP: + *p++ = '4'; + *p++ = 'a'; + *p++ = 'l'; + *p++ = '-'; + *p++ = 'd'; + *p++ = 's'; + *p++ = 'p'; + break; + case CPU_FAMILY_UNKNOWN: + /* + * Specifically use CPU_FAMILY_UNKNOWN rather than + * default:, so we're able to have the compiler whine + * about unhandled enumerations. + */ + break; + } + + pr_info("CPU: %s\n", get_cpu_subtype(¤t_cpu_data)); + +#ifndef __LITTLE_ENDIAN__ + /* 'eb' means 'Endian Big' */ + *p++ = 'e'; + *p++ = 'b'; +#endif + *p = '\0'; +} diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 90f495d35db2..a6bfc6f37491 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -115,6 +115,7 @@ static int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p) { unsigned int err = 0; + unsigned int sr = regs->sr & ~SR_USER_MASK; #define COPY(x) err |= __get_user(regs->x, &sc->sc_##x) COPY(regs[1]); @@ -130,6 +131,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p COPY(sr); COPY(pc); #undef COPY + regs->sr = (regs->sr & SR_USER_MASK) | sr; + #ifdef CONFIG_SH_FPU if (boot_cpu_data.flags & CPU_HAS_FPU) { int owned_fp; diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 65924d9ec245..108d808767fa 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -21,6 +21,8 @@ #include <linux/sched/hotplug.h> #include <linux/atomic.h> #include <linux/clockchips.h> +#include <linux/profile.h> + #include <asm/processor.h> #include <asm/mmu_context.h> #include <asm/smp.h> @@ -170,7 +172,7 @@ void native_play_dead(void) } #endif -asmlinkage void start_secondary(void) +static asmlinkage void start_secondary(void) { unsigned int cpu = smp_processor_id(); struct mm_struct *mm = &init_mm; @@ -256,7 +258,7 @@ void __init smp_cpus_done(unsigned int max_cpus) (bogosum / (5000/HZ)) % 100); } -void smp_send_reschedule(int cpu) +void arch_smp_send_reschedule(int cpu) { mp_ops->send_ipi(cpu, SMP_MSG_RESCHEDULE); } @@ -320,11 +322,13 @@ void smp_message_recv(unsigned int msg) } } +#ifdef CONFIG_PROFILING /* Not really SMP stuff ... */ int setup_profiling_timer(unsigned int multiplier) { return 0; } +#endif #ifdef CONFIG_MMU diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c index 9dca568509a5..d6f4afcb0e87 100644 --- a/arch/sh/kernel/sys_sh32.c +++ b/arch/sh/kernel/sys_sh32.c @@ -59,3 +59,14 @@ asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, (u64)len0 << 32 | len1, advice); #endif } + +/* + * swap the arguments the way that libc wants them instead of + * moving flags ahead of the 64-bit nbytes argument + */ +SYSCALL_DEFINE6(sh_sync_file_range6, int, fd, SC_ARG64(offset), + SC_ARG64(nbytes), unsigned int, flags) +{ + return ksys_sync_file_range(fd, SC_VAL64(loff_t, offset), + SC_VAL64(loff_t, nbytes), flags); +} diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index 2de85c977f54..969c11325ade 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -260,7 +260,7 @@ 250 common fadvise64 sys_fadvise64 # 251 is unused 252 common exit_group sys_exit_group -253 common lookup_dcookie sys_lookup_dcookie +253 common lookup_dcookie sys_ni_syscall 254 common epoll_create sys_epoll_create 255 common epoll_ctl sys_epoll_ctl 256 common epoll_wait sys_epoll_wait @@ -321,7 +321,7 @@ 311 common set_robust_list sys_set_robust_list 312 common get_robust_list sys_get_robust_list 313 common splice sys_splice -314 common sync_file_range sys_sync_file_range +314 common sync_file_range sys_sh_sync_file_range6 315 common tee sys_tee 316 common vmsplice sys_vmsplice 317 common move_pages sys_move_pages @@ -395,6 +395,7 @@ 385 common pkey_alloc sys_pkey_alloc 386 common pkey_free sys_pkey_free 387 common rseq sys_rseq +388 common sync_file_range2 sys_sync_file_range2 # room for arch specific syscalls 393 common semget sys_semget 394 common semctl sys_semctl @@ -453,3 +454,23 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common cachestat sys_cachestat +452 common fchmodat2 sys_fchmodat2 +453 common map_shadow_stack sys_map_shadow_stack +454 common futex_wake sys_futex_wake +455 common futex_wait sys_futex_wait +456 common futex_requeue sys_futex_requeue +457 common statmount sys_statmount +458 common listmount sys_listmount +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 +467 common open_tree_attr sys_open_tree_attr +468 common file_getattr sys_file_getattr +469 common file_setattr sys_file_setattr +470 common listns sys_listns diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 01884054aeb2..4339c4cafa79 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -15,6 +15,8 @@ #include <linux/extable.h> #include <linux/module.h> /* print_modules */ + +#include <asm/ftrace.h> #include <asm/unwinder.h> #include <asm/traps.h> @@ -170,14 +172,6 @@ BUILD_TRAP_HANDLER(bug) force_sig(SIGTRAP); } -#ifdef CONFIG_DYNAMIC_FTRACE -extern void arch_ftrace_nmi_enter(void); -extern void arch_ftrace_nmi_exit(void); -#else -static inline void arch_ftrace_nmi_enter(void) { } -static inline void arch_ftrace_nmi_exit(void) { } -#endif - BUILD_TRAP_HANDLER(nmi) { TRAP_HANDLER_DECL; diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index 6cdda3a621a1..1271b839a107 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -27,6 +27,7 @@ #include <asm/alignment.h> #include <asm/fpu.h> #include <asm/kprobes.h> +#include <asm/setup.h> #include <asm/traps.h> #include <asm/bl_bit.h> @@ -568,7 +569,7 @@ uspace_segv: /* * SH-DSP support gerg@snapgear.com. */ -int is_dsp_inst(struct pt_regs *regs) +static int is_dsp_inst(struct pt_regs *regs) { unsigned short inst = 0; @@ -590,7 +591,7 @@ int is_dsp_inst(struct pt_regs *regs) return 0; } #else -#define is_dsp_inst(regs) (0) +static inline int is_dsp_inst(struct pt_regs *regs) { return 0; } #endif /* CONFIG_SH_DSP */ #ifdef CONFIG_CPU_SH2A diff --git a/arch/sh/kernel/vmcore_info.c b/arch/sh/kernel/vmcore_info.c new file mode 100644 index 000000000000..a244a204a1b1 --- /dev/null +++ b/arch/sh/kernel/vmcore_info.c @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/vmcore_info.h> +#include <linux/mm.h> + +void arch_crash_save_vmcoreinfo(void) +{ +#ifdef CONFIG_NUMA + VMCOREINFO_SYMBOL(node_data); + VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); +#endif +#ifdef CONFIG_X2TLB + VMCOREINFO_CONFIG(X2TLB); +#endif +} diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 3161b9ccd2a5..008c30289eaa 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -4,6 +4,7 @@ * Written by Niibe Yutaka and Paul Mundt */ OUTPUT_ARCH(sh) +#define RUNTIME_DISCARD_EXIT #include <asm/thread_info.h> #include <asm/cache.h> #include <asm/vmlinux.lds.h> @@ -29,7 +30,6 @@ SECTIONS HEAD_TEXT TEXT_TEXT SCHED_TEXT - CPUIDLE_TEXT LOCK_TEXT KPROBES_TEXT IRQENTRY_TEXT @@ -71,7 +71,20 @@ SECTIONS . = ALIGN(PAGE_SIZE); __init_end = .; - BSS_SECTION(0, PAGE_SIZE, 4) + __bss_start = .; + SBSS(0) + . = ALIGN(PAGE_SIZE); + .bss : AT(ADDR(.bss) - LOAD_OFFSET) { + BSS_FIRST_SECTIONS + . = ALIGN(PAGE_SIZE); + *(.bss..page_aligned) + . = ALIGN(PAGE_SIZE); + *(.dynbss) + *(BSS_MAIN) + *(COMMON) + . = ALIGN(8); + } + __bss_stop = .; _end = . ; STABS_DEBUG diff --git a/arch/sh/kernel/vsyscall/Makefile b/arch/sh/kernel/vsyscall/Makefile index 6e8664448048..cb4f0bb80c38 100644 --- a/arch/sh/kernel/vsyscall/Makefile +++ b/arch/sh/kernel/vsyscall/Makefile @@ -1,11 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 obj-y += vsyscall.o vsyscall-syscall.o vsyscall-syms.o -$(obj)/vsyscall-syscall.o: \ - $(foreach F,trapa,$(obj)/vsyscall-$F.so) +$(obj)/vsyscall-syscall.o: $(obj)/vsyscall-trapa.so # Teach kbuild about targets -targets += $(foreach F,trapa,vsyscall-$F.o vsyscall-$F.so) +targets += vsyscall-trapa.o vsyscall-traps.so targets += vsyscall-note.o vsyscall.lds vsyscall-dummy.o # The DSO images are built using a special linker script @@ -20,14 +19,14 @@ vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 -Wl,--hash-style=sysv SYSCFLAGS_vsyscall-trapa.so = $(vsyscall-flags) $(obj)/vsyscall-trapa.so: \ -$(obj)/vsyscall-%.so: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE +$(obj)/vsyscall-%.so: $(obj)/vsyscall.lds $(obj)/vsyscall-%.o FORCE $(call if_changed,syscall) # We also create a special relocatable object that should mirror the symbol # table and layout of the linked DSO. With ld -R we can then refer to # these symbols in the kernel code rather than hand-coded addresses. SYSCFLAGS_vsyscall-dummy.o = -r -$(obj)/vsyscall-dummy.o: $(src)/vsyscall.lds \ +$(obj)/vsyscall-dummy.o: $(obj)/vsyscall.lds \ $(obj)/vsyscall-trapa.o $(obj)/vsyscall-note.o FORCE $(call if_changed,syscall) diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c index 1bd85a6949c4..1563dcc55fd3 100644 --- a/arch/sh/kernel/vsyscall/vsyscall.c +++ b/arch/sh/kernel/vsyscall/vsyscall.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/elf.h> #include <linux/sched.h> +#include <linux/sysctl.h> #include <linux/err.h> /* @@ -30,12 +31,28 @@ static int __init vdso_setup(char *s) } __setup("vdso=", vdso_setup); +static const struct ctl_table vdso_table[] = { + { + .procname = "vdso_enabled", + .data = &vdso_enabled, + .maxlen = sizeof(vdso_enabled), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, + }, +}; + /* * These symbols are defined by vsyscall.o to mark the bounds * of the ELF DSO images included therein. */ extern const char vsyscall_trapa_start, vsyscall_trapa_end; static struct page *syscall_pages[1]; +static struct vm_special_mapping vdso_mapping = { + .name = "[vdso]", + .pages = syscall_pages, +}; int __init vsyscall_init(void) { @@ -54,10 +71,19 @@ int __init vsyscall_init(void) return 0; } +static int __init vm_sysctl_init(void) +{ + register_sysctl_init("vm", vdso_table); + return 0; +} + +fs_initcall(vm_sysctl_init); + /* Setup a VMA at program startup for the vsyscall page */ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) { struct mm_struct *mm = current->mm; + struct vm_area_struct *vma; unsigned long addr; int ret; @@ -70,14 +96,17 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) goto up_fail; } - ret = install_special_mapping(mm, addr, PAGE_SIZE, + vdso_mapping.pages = syscall_pages; + vma = _install_special_mapping(mm, addr, PAGE_SIZE, VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, - syscall_pages); - if (unlikely(ret)) + &vdso_mapping); + ret = PTR_ERR(vma); + if (IS_ERR(vma)) goto up_fail; current->mm->context.vdso = (void *)addr; + ret = 0; up_fail: mmap_write_unlock(mm); |