diff options
Diffstat (limited to 'arch/sh/kernel')
| -rw-r--r-- | arch/sh/kernel/Makefile | 5 | ||||
| -rw-r--r-- | arch/sh/kernel/asm-offsets.c | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/sq.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/dwarf.c | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/head_32.S | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/iomap.c | 162 | ||||
| -rw-r--r-- | arch/sh/kernel/ioport.c | 5 | ||||
| -rw-r--r-- | arch/sh/kernel/kprobes.c | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/machine_kexec.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/perf_event.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/process_32.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/ptrace_32.c | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/sh_ksyms_32.c | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/syscalls/syscall.tbl | 5 | ||||
| -rw-r--r-- | arch/sh/kernel/vmlinux.lds.S | 16 | ||||
| -rw-r--r-- | arch/sh/kernel/vsyscall/vsyscall.c | 21 |
16 files changed, 53 insertions, 187 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index ba917008d63e..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/ 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/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index d289e99dc118..908a8e09113b 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -342,7 +342,7 @@ static int sq_dev_add(struct device *dev, struct subsys_interface *sif) struct kobject *kobj; int error; - sq_kobject[cpu] = kzalloc(sizeof(struct kobject), GFP_KERNEL); + sq_kobject[cpu] = kzalloc_obj(struct kobject); if (unlikely(!sq_kobject[cpu])) return -ENOMEM; diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index a1b54bedc929..edcf3b172284 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -741,7 +741,7 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len, unsigned long flags; int count; - cie = kzalloc(sizeof(*cie), GFP_KERNEL); + cie = kzalloc_obj(*cie); if (!cie) return -ENOMEM; @@ -874,7 +874,7 @@ static int dwarf_parse_fde(void *entry, u32 entry_type, int count; void *p = start; - fde = kzalloc(sizeof(*fde), GFP_KERNEL); + fde = kzalloc_obj(*fde); if (!fde) return -ENOMEM; diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index b603b7968b38..0b91bb85d40a 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -26,7 +26,7 @@ #endif .section .empty_zero_page, "aw" -ENTRY(empty_zero_page) +ENTRY(boot_params_page) .long 1 /* MOUNT_ROOT_RDONLY */ .long 0 /* RAMDISK_FLAGS */ .long 0x0200 /* ORIG_ROOT_DEV */ @@ -39,7 +39,7 @@ ENTRY(empty_zero_page) .long 0x53453f00 + 29 /* "SE?" = 29 bit */ #endif 1: - .skip PAGE_SIZE - empty_zero_page - 1b + .skip PAGE_SIZE - boot_params_page - 1b __HEAD 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 c8aff8a20164..915a3dfd9f02 100644 --- a/arch/sh/kernel/ioport.c +++ b/arch/sh/kernel/ioport.c @@ -23,8 +23,3 @@ void __iomem *ioport_map(unsigned long port, unsigned int nr) return (void __iomem *)(port + sh_io_port_base); } EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ -} -EXPORT_SYMBOL(ioport_unmap); diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c index 49c4ffd782d6..a250fb1b9420 100644 --- a/arch/sh/kernel/kprobes.c +++ b/arch/sh/kernel/kprobes.c @@ -404,13 +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()) { @@ -421,7 +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 8321b31d2e19..37073ca1e0ad 100644 --- a/arch/sh/kernel/machine_kexec.c +++ b/arch/sh/kernel/machine_kexec.c @@ -146,7 +146,7 @@ void __init reserve_crashkernel(void) return; ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(), - &crash_size, &crash_base, NULL, NULL); + &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/perf_event.c b/arch/sh/kernel/perf_event.c index 1d2507f22437..1fbb7d46e484 100644 --- a/arch/sh/kernel/perf_event.c +++ b/arch/sh/kernel/perf_event.c @@ -7,7 +7,7 @@ * Heavily based on the x86 and PowerPC implementations. * * x86: - * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> + * Copyright (C) 2008 Linutronix GmbH, Thomas Gleixner <tglx@kernel.org> * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter 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/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c index 5858936cb431..041191002e2e 100644 --- a/arch/sh/kernel/sh_ksyms_32.c +++ b/arch/sh/kernel/sh_ksyms_32.c @@ -20,7 +20,6 @@ EXPORT_SYMBOL(csum_partial); EXPORT_SYMBOL(csum_partial_copy_generic); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(__clear_user); -EXPORT_SYMBOL(empty_zero_page); #ifdef CONFIG_FLATMEM /* need in pfn_valid macro */ EXPORT_SYMBOL(min_low_pfn); diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index c8cad33bf250..70b315cbe710 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -470,3 +470,8 @@ 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 +471 common rseq_slice_yield sys_rseq_slice_yield diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 9644fe187a3f..169c63fb3c1d 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -71,11 +71,25 @@ 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 DWARF_DEBUG + MODINFO ELF_DETAILS DISCARDS diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c index add35c51e017..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> /* @@ -30,6 +31,18 @@ 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. @@ -58,6 +71,14 @@ 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) { |
