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| author |   Christoph Hellwig <hch@lst.de> | 2007-05-08 00:23:29 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:14:58 -0700 |
| commit | ab1b6f03a10ba1f5638188ab06bf46e33ac3a160 (patch) | |
| tree | 2dc7ce01df5d51d81e250dd9cee1b7b04627466e /arch/sh/kernel/stacktrace.c | |
| parent | block_write_full_page(): report ENOSPC (diff) | |
| download | linux-dev-ab1b6f03a10ba1f5638188ab06bf46e33ac3a160.tar.xz linux-dev-ab1b6f03a10ba1f5638188ab06bf46e33ac3a160.zip | |
simplify the stacktrace code
Simplify the stacktrace code:
- remove the unused task argument to save_stack_trace, it's always
current
- remove the all_contexts flag, it's alwasy 0
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <ak@suse.de>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh/kernel/stacktrace.c')
| -rw-r--r-- | arch/sh/kernel/stacktrace.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c index 0d5268afe80f..4bdd2f83535d 100644 --- a/arch/sh/kernel/stacktrace.c +++ b/arch/sh/kernel/stacktrace.c @@ -19,14 +19,7 @@ */ void save_stack_trace(struct stack_trace *trace, struct task_struct *task) { - unsigned long *sp; - - if (!task) - task = current; - if (task == current) - sp = (unsigned long *)current_stack_pointer; - else - sp = (unsigned long *)task->thread.sp; + unsigned long *sp = (unsigned long *)current_stack_pointer; while (!kstack_end(sp)) { unsigned long addr = *sp++; |