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Subject[PATCH] x86_64: Fix dump_trace()
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If caller passed the tsk, we should use it to validate a stack ptr.
Otherwise, sysrq-t and other debugging stuff doesn't work.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---

arch/x86_64/kernel/traps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN arch/x86_64/kernel/traps.c~x86_64-fix-show_trace arch/x86_64/kernel/traps.c
--- linux-2.6/arch/x86_64/kernel/traps.c~x86_64-fix-show_trace 2007-01-04 00:28:02.000000000 +0900
+++ linux-2.6-hirofumi/arch/x86_64/kernel/traps.c 2007-01-04 00:28:02.000000000 +0900
@@ -319,7 +319,7 @@ void dump_trace(struct task_struct *tsk,
/*
* This handles the process stack:
*/
- tinfo = current_thread_info();
+ tinfo = task_thread_info(tsk);
HANDLE_STACK (valid_stack_ptr(tinfo, stack));
#undef HANDLE_STACK
put_cpu();
_
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
-
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