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authorChristoph Hellwig <hch@lst.de>2007-05-08 11:23:29 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 22:14:58 +0400
commitab1b6f03a10ba1f5638188ab06bf46e33ac3a160 (patch)
tree2dc7ce01df5d51d81e250dd9cee1b7b04627466e /arch/sh/kernel/stacktrace.c
parent7e4c3690b07f04b1942c39db358a5c8a72831daa (diff)
downloadlinux-ab1b6f03a10ba1f5638188ab06bf46e33ac3a160.tar.xz
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.c9
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++;