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| author |   Ingo Molnar <mingo@elte.hu> | 2009-11-26 08:17:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-26 08:24:33 +0100 |
| commit | b803090615ccec669681ff85ce28671e7bfefa3d (patch) | |
| tree | c16ebe617986ce640bbdee17e157f8b4dd1ae9a8 /arch/x86/kernel/dumpstack_32.c | |
| parent | x86, cpu: mv display_cacheinfo -> cpu_detect_cache_sizes (diff) | |
| download | linux-dev-b803090615ccec669681ff85ce28671e7bfefa3d.tar.xz linux-dev-b803090615ccec669681ff85ce28671e7bfefa3d.zip | |
x86: dumpstack: Clean up the x86_stack_ids[][] initalization and other details
Make the initialization more readable, plus tidy up a few small
visual details as well.
No change in functionality.
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/dumpstack_32.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack_32.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index f7dd2a7c3bf4..e0ed4c7abb62 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -10,9 +10,9 @@ #include <linux/module.h> #include <linux/ptrace.h> #include <linux/kexec.h> +#include <linux/sysfs.h> #include <linux/bug.h> #include <linux/nmi.h> -#include <linux/sysfs.h> #include <asm/stacktrace.h> @@ -35,6 +35,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!stack) { unsigned long dummy; + stack = &dummy; if (task && task != current) stack = (unsigned long *)task->thread.sp; @@ -57,8 +58,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, context = (struct thread_info *) ((unsigned long)stack & (~(THREAD_SIZE - 1))); - bp = print_context_stack(context, stack, bp, ops, - data, NULL, &graph); + bp = print_context_stack(context, stack, bp, ops, data, NULL, &graph); stack = (unsigned long *)context->previous_esp; if (!stack) @@ -72,7 +72,7 @@ EXPORT_SYMBOL(dump_trace); void show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *sp, unsigned long bp, char *log_lvl) + unsigned long *sp, unsigned long bp, char *log_lvl) { unsigned long *stack; int i; @@ -156,4 +156,3 @@ int is_valid_bugaddr(unsigned long ip) return ud2 == 0x0b0f; } - |