diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2006-12-06 20:37:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 08:39:36 -0800 |
| commit | a4c410f00f7ca4bd448b0d63f6f882fd244dc991 (patch) | |
| tree | 9384e64eda2ee317ceb7b02d1752459ce9fcb8c6 /kernel/sched.c | |
| parent | 8bb0269160df2a60764013994d0bc5165406cf4a (diff) | |
| download | lwn-a4c410f00f7ca4bd448b0d63f6f882fd244dc991.tar.gz lwn-a4c410f00f7ca4bd448b0d63f6f882fd244dc991.zip | |
[PATCH] lockdep: print current locks on in_atomic warnings
Add debug_show_held_locks(current) to __might_sleep() and schedule(); this
makes finding the offending lock leak easier.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 1848e280504d..343e1794233e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3333,6 +3333,7 @@ asmlinkage void __sched schedule(void) printk(KERN_ERR "BUG: scheduling while atomic: " "%s/0x%08x/%d\n", current->comm, preempt_count(), current->pid); + debug_show_held_locks(current); dump_stack(); } profile_hit(SCHED_PROFILING, __builtin_return_address(0)); @@ -6872,6 +6873,7 @@ void __might_sleep(char *file, int line) " context at %s:%d\n", file, line); printk("in_atomic():%d, irqs_disabled():%d\n", in_atomic(), irqs_disabled()); + debug_show_held_locks(current); dump_stack(); } #endif |