diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/asm-offsets.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/atags_parse.c | 4 | ||||
-rw-r--r-- | arch/arm/kernel/bugs.c | 3 | ||||
-rw-r--r-- | arch/arm/kernel/entry-armv.S | 4 | ||||
-rw-r--r-- | arch/arm/kernel/entry-common.S | 2 | ||||
-rw-r--r-- | arch/arm/kernel/entry-v7m.S | 2 | ||||
-rw-r--r-- | arch/arm/kernel/fiq.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/head-inflate-data.c | 5 | ||||
-rw-r--r-- | arch/arm/kernel/head-nommu.S | 3 | ||||
-rw-r--r-- | arch/arm/kernel/head.S | 2 | ||||
-rw-r--r-- | arch/arm/kernel/head.h | 7 | ||||
-rw-r--r-- | arch/arm/kernel/hibernate.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/module.c | 10 | ||||
-rw-r--r-- | arch/arm/kernel/setup.c | 13 | ||||
-rw-r--r-- | arch/arm/kernel/signal.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/smp.c | 18 | ||||
-rw-r--r-- | arch/arm/kernel/suspend.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/sys_arm.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/sys_oabi-compat.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/tcm.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/traps.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/vdso.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/vmlinux-xip.lds.S | 3 | ||||
-rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 3 |
24 files changed, 44 insertions, 52 deletions
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 38121c59cbc2..6a80d4be743b 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -17,7 +17,7 @@ #include <asm/glue-pf.h> #include <asm/mach/arch.h> #include <asm/thread_info.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/mpu.h> #include <asm/procinfo.h> #include <asm/suspend.h> diff --git a/arch/arm/kernel/atags_parse.c b/arch/arm/kernel/atags_parse.c index 373b61f9a4f0..33f6eb5213a5 100644 --- a/arch/arm/kernel/atags_parse.c +++ b/arch/arm/kernel/atags_parse.c @@ -127,7 +127,7 @@ static int __init parse_tag_cmdline(const struct tag *tag) #elif defined(CONFIG_CMDLINE_FORCE) pr_warn("Ignoring tag cmdline (using the default kernel command line)\n"); #else - strlcpy(default_command_line, tag->u.cmdline.cmdline, + strscpy(default_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE); #endif return 0; @@ -224,7 +224,7 @@ setup_machine_tags(void *atags_vaddr, unsigned int machine_nr) } /* parse_early_param needs a boot_command_line */ - strlcpy(boot_command_line, from, COMMAND_LINE_SIZE); + strscpy(boot_command_line, from, COMMAND_LINE_SIZE); return mdesc; } diff --git a/arch/arm/kernel/bugs.c b/arch/arm/kernel/bugs.c index 14c8dbbb7d2d..087bce6ec8e9 100644 --- a/arch/arm/kernel/bugs.c +++ b/arch/arm/kernel/bugs.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> +#include <linux/cpu.h> #include <asm/bugs.h> #include <asm/proc-fns.h> @@ -11,7 +12,7 @@ void check_other_bugs(void) #endif } -void __init check_bugs(void) +void __init arch_cpu_finalize_init(void) { check_writebuffer_bugs(); check_other_bugs(); diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index c39303e5c234..76e8125d05d2 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -15,7 +15,7 @@ #include <linux/init.h> #include <asm/assembler.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/glue-df.h> #include <asm/glue-pf.h> #include <asm/vfpmacros.h> @@ -875,7 +875,7 @@ ENDPROC(__bad_stack) * existing ones. This mechanism should be used only for things that are * really small and justified, and not be abused freely. * - * See Documentation/arm/kernel_user_helpers.rst for formal definitions. + * See Documentation/arch/arm/kernel_user_helpers.rst for formal definitions. */ THUMB( .arm ) diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 03d4c5578c5c..bcc4c9ec3aa4 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -9,7 +9,7 @@ #include <asm/unistd.h> #include <asm/ftrace.h> #include <asm/unwind.h> -#include <asm/memory.h> +#include <asm/page.h> #ifdef CONFIG_AEABI #include <asm/unistd-oabi.h> #endif diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S index de8a60363c85..52bacf07ba16 100644 --- a/arch/arm/kernel/entry-v7m.S +++ b/arch/arm/kernel/entry-v7m.S @@ -6,7 +6,7 @@ * * Low-level vector interface routines for the ARMv7-M architecture */ -#include <asm/memory.h> +#include <asm/page.h> #include <asm/glue.h> #include <asm/thread_notify.h> #include <asm/v7m.h> diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c index 98ca3e3fa847..d2c8e5313539 100644 --- a/arch/arm/kernel/fiq.c +++ b/arch/arm/kernel/fiq.c @@ -45,6 +45,7 @@ #include <asm/cacheflush.h> #include <asm/cp15.h> #include <asm/fiq.h> +#include <asm/mach/irq.h> #include <asm/irq.h> #include <asm/traps.h> diff --git a/arch/arm/kernel/head-inflate-data.c b/arch/arm/kernel/head-inflate-data.c index 89a52104d32a..225c0699a12c 100644 --- a/arch/arm/kernel/head-inflate-data.c +++ b/arch/arm/kernel/head-inflate-data.c @@ -8,16 +8,13 @@ #include <linux/init.h> #include <linux/zutil.h> +#include "head.h" /* for struct inflate_state */ #include "../../../lib/zlib_inflate/inftrees.h" #include "../../../lib/zlib_inflate/inflate.h" #include "../../../lib/zlib_inflate/infutil.h" -extern char __data_loc[]; -extern char _edata_loc[]; -extern char _sdata[]; - /* * This code is called very early during the boot process to decompress * the .data segment stored compressed in ROM. Therefore none of the global diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 950bef83339f..b9d6818f1ee1 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -14,12 +14,11 @@ #include <asm/assembler.h> #include <asm/ptrace.h> #include <asm/asm-offsets.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/cp15.h> #include <asm/thread_info.h> #include <asm/v7m.h> #include <asm/mpu.h> -#include <asm/page.h> /* * Kernel startup entry point. diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 656991055bc1..1ec35f065617 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -17,7 +17,7 @@ #include <asm/domain.h> #include <asm/ptrace.h> #include <asm/asm-offsets.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/thread_info.h> #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_SEMIHOSTING) diff --git a/arch/arm/kernel/head.h b/arch/arm/kernel/head.h new file mode 100644 index 000000000000..0eb5accf7141 --- /dev/null +++ b/arch/arm/kernel/head.h @@ -0,0 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only + +extern char __data_loc[]; +extern char _edata_loc[]; +extern char _sdata[]; + +int __init __inflate_kernel_data(void); diff --git a/arch/arm/kernel/hibernate.c b/arch/arm/kernel/hibernate.c index 2373020af965..38a90a3d12b2 100644 --- a/arch/arm/kernel/hibernate.c +++ b/arch/arm/kernel/hibernate.c @@ -19,7 +19,7 @@ #include <asm/system_misc.h> #include <asm/idmap.h> #include <asm/suspend.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/sections.h> #include "reboot.h" diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index d59c36dc0494..e74d84f58b77 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -169,8 +169,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, offset = __mem_to_opcode_arm(*(u32 *)loc); offset = (offset & 0x00ffffff) << 2; - if (offset & 0x02000000) - offset -= 0x04000000; + offset = sign_extend32(offset, 25); offset += sym->st_value - loc; @@ -236,7 +235,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, case R_ARM_MOVT_PREL: offset = tmp = __mem_to_opcode_arm(*(u32 *)loc); offset = ((offset & 0xf0000) >> 4) | (offset & 0xfff); - offset = (offset ^ 0x8000) - 0x8000; + offset = sign_extend32(offset, 15); offset += sym->st_value; if (ELF32_R_TYPE(rel->r_info) == R_ARM_MOVT_PREL || @@ -344,8 +343,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, ((~(j2 ^ sign) & 1) << 22) | ((upper & 0x03ff) << 12) | ((lower & 0x07ff) << 1); - if (offset & 0x01000000) - offset -= 0x02000000; + offset = sign_extend32(offset, 24); offset += sym->st_value - loc; /* @@ -401,7 +399,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, offset = ((upper & 0x000f) << 12) | ((upper & 0x0400) << 1) | ((lower & 0x7000) >> 4) | (lower & 0x00ff); - offset = (offset ^ 0x8000) - 0x8000; + offset = sign_extend32(offset, 15); offset += sym->st_value; if (ELF32_R_TYPE(rel->r_info) == R_ARM_THM_MOVT_PREL || diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 75cd4699e7b3..c66b560562b3 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -76,13 +76,6 @@ static int __init fpe_setup(char *line) __setup("fpe=", fpe_setup); #endif -extern void init_default_cache_policy(unsigned long); -extern void paging_init(const struct machine_desc *desc); -extern void early_mm_init(const struct machine_desc *); -extern void adjust_lowmem_bounds(void); -extern enum reboot_mode reboot_mode; -extern void setup_dma_zone(const struct machine_desc *desc); - unsigned int processor_id; EXPORT_SYMBOL(processor_id); unsigned int __machine_arch_type __read_mostly; @@ -1142,7 +1135,7 @@ void __init setup_arch(char **cmdline_p) setup_initial_init_mm(_text, _etext, _edata, _end); /* populate cmd_line too for later use, preserving boot_command_line */ - strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE); + strscpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = cmd_line; early_fixmap_init(); @@ -1198,10 +1191,6 @@ void __init setup_arch(char **cmdline_p) reserve_crashkernel(); -#ifdef CONFIG_GENERIC_IRQ_MULTI_HANDLER - handle_arch_irq = mdesc->handle_irq; -#endif - #ifdef CONFIG_VT #if defined(CONFIG_VGA_CONSOLE) conswitchp = &vga_con; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index e07f359254c3..8d0afa11bed5 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -18,6 +18,7 @@ #include <asm/traps.h> #include <asm/unistd.h> #include <asm/vfp.h> +#include <asm/syscalls.h> #include "signal.h" diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 87f8d0e5e314..6756203e45f3 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -288,15 +288,11 @@ int __cpu_disable(void) } /* - * called on the thread which is asking for a CPU to be shutdown - - * waits until shutdown has completed, or it is timed out. + * called on the thread which is asking for a CPU to be shutdown after the + * shutdown completed. */ -void __cpu_die(unsigned int cpu) +void arch_cpuhp_cleanup_dead_cpu(unsigned int cpu) { - if (!cpu_wait_death(cpu, 5)) { - pr_err("CPU%u: cpu didn't die\n", cpu); - return; - } pr_debug("CPU%u: shutdown\n", cpu); clear_tasks_mm_cpumask(cpu); @@ -336,11 +332,11 @@ void __noreturn arch_cpu_idle_dead(void) flush_cache_louis(); /* - * Tell __cpu_die() that this CPU is now safe to dispose of. Once - * this returns, power and/or clocks can be removed at any point - * from this CPU and its cache by platform_cpu_kill(). + * Tell cpuhp_bp_sync_dead() that this CPU is now safe to dispose + * of. Once this returns, power and/or clocks can be removed at + * any point from this CPU and its cache by platform_cpu_kill(). */ - (void)cpu_report_death(); + cpuhp_ap_report_dead(); /* * Ensure that the cache lines associated with that completion are diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c index 43f0a3ebf390..c3ec3861dd07 100644 --- a/arch/arm/kernel/suspend.c +++ b/arch/arm/kernel/suspend.c @@ -8,7 +8,7 @@ #include <asm/bugs.h> #include <asm/cacheflush.h> #include <asm/idmap.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/smp_plat.h> #include <asm/suspend.h> #include <asm/tlbflush.h> diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index a5f183cfecb1..0141e9bb02e8 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -24,6 +24,7 @@ #include <linux/ipc.h> #include <linux/uaccess.h> #include <linux/slab.h> +#include <asm/syscalls.h> /* * Since loff_t is a 64 bit type we avoid a lot of ABI hassle diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 006163195d67..d00f4040a9f5 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -10,6 +10,8 @@ * Copyright: MontaVista Software, Inc. */ +#include <asm/syscalls.h> + /* * The legacy ABI and the new ARM EABI have different rules making some * syscalls incompatible especially with structure arguments. diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c index d3a85f01b328..f59927bcfbce 100644 --- a/arch/arm/kernel/tcm.c +++ b/arch/arm/kernel/tcm.c @@ -15,7 +15,7 @@ #include <linux/string.h> /* memcpy */ #include <asm/cputype.h> #include <asm/mach/map.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/system_info.h> #include <asm/traps.h> #include <asm/tcm.h> diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 40c7c807d67f..3bad79db5d6e 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -756,6 +756,7 @@ void __readwrite_bug(const char *fn) } EXPORT_SYMBOL(__readwrite_bug); +#ifdef CONFIG_MMU void __pte_error(const char *file, int line, pte_t pte) { pr_err("%s:%d: bad pte %08llx.\n", file, line, (long long)pte_val(pte)); @@ -770,6 +771,7 @@ void __pgd_error(const char *file, int line, pgd_t pgd) { pr_err("%s:%d: bad pgd %08llx.\n", file, line, (long long)pgd_val(pgd)); } +#endif asmlinkage void __div0(void) { diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c index 3408269d19c7..f297d66a8a76 100644 --- a/arch/arm/kernel/vdso.c +++ b/arch/arm/kernel/vdso.c @@ -135,7 +135,7 @@ static Elf32_Sym * __init find_symbol(struct elfinfo *lib, const char *symname) if (lib->dynsym[i].st_name == 0) continue; - strlcpy(name, lib->dynstr + lib->dynsym[i].st_name, + strscpy(name, lib->dynstr + lib->dynsym[i].st_name, MAX_SYMNAME); c = strchr(name, '@'); if (c) diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index 76678732c60d..c16d196b5aad 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -12,9 +12,8 @@ #include <asm/vmlinux.lds.h> #include <asm/cache.h> #include <asm/thread_info.h> -#include <asm/memory.h> -#include <asm/mpu.h> #include <asm/page.h> +#include <asm/mpu.h> OUTPUT_ARCH(arm) ENTRY(stext) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index aa12b65a7fd6..bd9127c4b451 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -12,9 +12,8 @@ #include <asm/vmlinux.lds.h> #include <asm/cache.h> #include <asm/thread_info.h> -#include <asm/memory.h> -#include <asm/mpu.h> #include <asm/page.h> +#include <asm/mpu.h> OUTPUT_ARCH(arm) ENTRY(stext) |