diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/head.S | 2 | ||||
-rw-r--r-- | arch/arm/kernel/machine_kexec.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/module.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/process.c | 4 | ||||
-rw-r--r-- | arch/arm/kernel/ptrace.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/smp.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/suspend.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/swp_emulate.c | 4 | ||||
-rw-r--r-- | arch/arm/kernel/traps.c | 39 | ||||
-rw-r--r-- | arch/arm/kernel/unwind.c | 5 | ||||
-rw-r--r-- | arch/arm/kernel/vdso.c | 2 | ||||
-rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 2 |
12 files changed, 33 insertions, 31 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index c49b39340ddb..f8904227e7fd 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -10,6 +10,7 @@ */ #include <linux/linkage.h> #include <linux/init.h> +#include <linux/pgtable.h> #include <asm/assembler.h> #include <asm/cp15.h> @@ -18,7 +19,6 @@ #include <asm/asm-offsets.h> #include <asm/memory.h> #include <asm/thread_info.h> -#include <asm/pgtable.h> #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_SEMIHOSTING) #include CONFIG_DEBUG_LL_INCLUDE diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 76300f3813e8..974b6c64d3e6 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -10,7 +10,6 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/memblock.h> -#include <asm/pgtable.h> #include <linux/of_fdt.h> #include <asm/pgalloc.h> #include <asm/mmu_context.h> diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index af0a8500a24e..e15444b25ca0 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -17,7 +17,6 @@ #include <linux/string.h> #include <linux/gfp.h> -#include <asm/pgtable.h> #include <asm/sections.h> #include <asm/smp_plat.h> #include <asm/unwind.h> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 46e478fb5ea2..58eaa1f60e16 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -431,7 +431,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) npages = 1; /* for sigpage */ npages += vdso_total_pages; - if (down_write_killable(&mm->mmap_sem)) + if (mmap_write_lock_killable(mm)) return -EINTR; hint = sigpage_addr(mm, npages); addr = get_unmapped_area(NULL, hint, npages << PAGE_SHIFT, 0, 0); @@ -458,7 +458,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) arm_install_vdso(mm, addr + PAGE_SIZE); up_fail: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return ret; } #endif diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 4cc6a7eff635..d0f7c8896c96 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -25,7 +25,6 @@ #include <linux/tracehook.h> #include <linux/unistd.h> -#include <asm/pgtable.h> #include <asm/traps.h> #define CREATE_TRACE_POINTS diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 46e1be9e57a8..9a6432557871 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -37,7 +37,6 @@ #include <asm/idmap.h> #include <asm/topology.h> #include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/procinfo.h> #include <asm/processor.h> diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c index d08099269e35..d2c9338d74e8 100644 --- a/arch/arm/kernel/suspend.c +++ b/arch/arm/kernel/suspend.c @@ -2,12 +2,12 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/mm_types.h> +#include <linux/pgtable.h> #include <asm/bugs.h> #include <asm/cacheflush.h> #include <asm/idmap.h> #include <asm/pgalloc.h> -#include <asm/pgtable.h> #include <asm/memory.h> #include <asm/smp_plat.h> #include <asm/suspend.h> diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c index e640871328c1..6166ba38bf99 100644 --- a/arch/arm/kernel/swp_emulate.c +++ b/arch/arm/kernel/swp_emulate.c @@ -97,12 +97,12 @@ static void set_segfault(struct pt_regs *regs, unsigned long addr) { int si_code; - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); if (find_vma(current->mm, addr) == NULL) si_code = SEGV_MAPERR; else si_code = SEGV_ACCERR; - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); pr_debug("SWP{B} emulation: access caused memory abort!\n"); arm_notify_die("Illegal memory access", regs, diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 316a7687f813..65a3b1e75480 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -62,21 +62,24 @@ __setup("user_debug=", user_debug_setup); static void dump_mem(const char *, const char *, unsigned long, unsigned long); -void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) +void dump_backtrace_entry(unsigned long where, unsigned long from, + unsigned long frame, const char *loglvl) { unsigned long end = frame + 4 + sizeof(struct pt_regs); #ifdef CONFIG_KALLSYMS - printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); + printk("%s[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", + loglvl, where, (void *)where, from, (void *)from); #else - printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); + printk("%sFunction entered at [<%08lx>] from [<%08lx>]\n", + loglvl, where, from); #endif if (in_entry_text(from) && end <= ALIGN(frame, THREAD_SIZE)) - dump_mem("", "Exception stack", frame + 4, end); + dump_mem(loglvl, "Exception stack", frame + 4, end); } -void dump_backtrace_stm(u32 *stack, u32 instruction) +void dump_backtrace_stm(u32 *stack, u32 instruction, const char *loglvl) { char str[80], *p; unsigned int x; @@ -88,12 +91,12 @@ void dump_backtrace_stm(u32 *stack, u32 instruction) if (++x == 6) { x = 0; p = str; - printk("%s\n", str); + printk("%s%s\n", loglvl, str); } } } if (p != str) - printk("%s\n", str); + printk("%s%s\n", loglvl, str); } #ifndef CONFIG_ARM_UNWIND @@ -201,17 +204,19 @@ static void dump_instr(const char *lvl, struct pt_regs *regs) } #ifdef CONFIG_ARM_UNWIND -static inline void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) +static inline void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk, + const char *loglvl) { - unwind_backtrace(regs, tsk); + unwind_backtrace(regs, tsk, loglvl); } #else -static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) +static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk, + const char *loglvl) { unsigned int fp, mode; int ok = 1; - printk("Backtrace: "); + printk("%sBacktrace: ", loglvl); if (!tsk) tsk = current; @@ -238,13 +243,13 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) pr_cont("\n"); if (ok) - c_backtrace(fp, mode); + c_backtrace(fp, mode, loglvl); } #endif -void show_stack(struct task_struct *tsk, unsigned long *sp) +void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl) { - dump_backtrace(NULL, tsk); + dump_backtrace(NULL, tsk, loglvl); barrier(); } @@ -288,7 +293,7 @@ static int __die(const char *str, int err, struct pt_regs *regs) if (!user_mode(regs) || in_interrupt()) { dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp, THREAD_SIZE + (unsigned long)task_stack_page(tsk)); - dump_backtrace(regs, tsk); + dump_backtrace(regs, tsk, KERN_EMERG); dump_instr(KERN_EMERG, regs); } @@ -663,10 +668,10 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) if (user_debug & UDBG_SYSCALL) { pr_err("[%d] %s: arm syscall %d\n", task_pid_nr(current), current->comm, no); - dump_instr("", regs); + dump_instr(KERN_ERR, regs); if (user_mode(regs)) { __show_regs(regs); - c_backtrace(frame_pointer(regs), processor_mode(regs)); + c_backtrace(frame_pointer(regs), processor_mode(regs), KERN_ERR); } } #endif diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 11a964fd66f4..d2bd0df2318d 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -455,7 +455,8 @@ int unwind_frame(struct stackframe *frame) return URC_OK; } -void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk) +void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk, + const char *loglvl) { struct stackframe frame; @@ -493,7 +494,7 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk) urc = unwind_frame(&frame); if (urc < 0) break; - dump_backtrace_entry(where, frame.pc, frame.sp - 4); + dump_backtrace_entry(where, frame.pc, frame.sp - 4, loglvl); } } diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c index e0330a25e1c6..6bfdca4769a7 100644 --- a/arch/arm/kernel/vdso.c +++ b/arch/arm/kernel/vdso.c @@ -240,7 +240,7 @@ static int install_vvar(struct mm_struct *mm, unsigned long addr) return PTR_ERR_OR_ZERO(vma); } -/* assumes mmap_sem is write-locked */ +/* assumes mmap_lock is write-locked */ void arm_install_vdso(struct mm_struct *mm, unsigned long addr) { struct vm_area_struct *vma; diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 88a720da443b..7f24bc08403e 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -8,13 +8,13 @@ #include "vmlinux-xip.lds.S" #else +#include <linux/pgtable.h> #include <asm-generic/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/pgtable.h> #include "vmlinux.lds.h" |