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| author | Jan Beulich <jbeulich@novell.com> | 2006-06-26 13:57:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 10:48:18 -0700 |
| commit | c33bd9aac0597eeedaaa01ea5aafe456894b2f2b (patch) | |
| tree | cdac9bb99eb3943feccc2a21d09a1524a8867cb0 /kernel/unwind.c | |
| parent | fe7cacc1c25e286872b878c5d46880b620cd1e2d (diff) | |
| download | kernel_samsung_espresso10-c33bd9aac0597eeedaaa01ea5aafe456894b2f2b.zip kernel_samsung_espresso10-c33bd9aac0597eeedaaa01ea5aafe456894b2f2b.tar.gz kernel_samsung_espresso10-c33bd9aac0597eeedaaa01ea5aafe456894b2f2b.tar.bz2 | |
[PATCH] i386/x86-64: fall back to old-style call trace if no unwinding
If no unwinding is possible at all for a certain exception instance,
fall back to the old style call trace instead of not showing any trace
at all.
Also, allow setting the stack trace mode at the command line.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/unwind.c')
| -rw-r--r-- | kernel/unwind.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/unwind.c b/kernel/unwind.c index d36bcd3..0421035 100644 --- a/kernel/unwind.c +++ b/kernel/unwind.c @@ -885,14 +885,13 @@ EXPORT_SYMBOL(unwind_init_blocked); * Prepare to unwind the currently running thread. */ int unwind_init_running(struct unwind_frame_info *info, - asmlinkage void (*callback)(struct unwind_frame_info *, - void *arg), + asmlinkage int (*callback)(struct unwind_frame_info *, + void *arg), void *arg) { info->task = current; - arch_unwind_init_running(info, callback, arg); - return 0; + return arch_unwind_init_running(info, callback, arg); } EXPORT_SYMBOL(unwind_init_running); |