diff options
| author | Len Brown <len.brown@intel.com> | 2008-10-22 23:57:26 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-23 00:11:07 -0400 |
| commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
| tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /arch/sh/kernel/stacktrace.c | |
| parent | 3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff) | |
| parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/sh/kernel/stacktrace.c')
| -rw-r--r-- | arch/sh/kernel/stacktrace.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c index 54d1f61aa00..1a2a5eb76e4 100644 --- a/arch/sh/kernel/stacktrace.c +++ b/arch/sh/kernel/stacktrace.c @@ -3,7 +3,7 @@ * * Stack trace management functions * - * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2006 - 2008 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -36,3 +36,24 @@ void save_stack_trace(struct stack_trace *trace) } } EXPORT_SYMBOL_GPL(save_stack_trace); + +void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) +{ + unsigned long *sp = (unsigned long *)tsk->thread.sp; + + while (!kstack_end(sp)) { + unsigned long addr = *sp++; + + if (__kernel_text_address(addr)) { + if (in_sched_functions(addr)) + break; + if (trace->skip > 0) + trace->skip--; + else + trace->entries[trace->nr_entries++] = addr; + if (trace->nr_entries >= trace->max_entries) + break; + } + } +} +EXPORT_SYMBOL_GPL(save_stack_trace_tsk); |