diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-01-25 15:23:07 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 11:30:18 -0800 |
| commit | 4021cb279a532728c3208a16b9b09b0ca8016850 (patch) | |
| tree | 1103bc655772ea388eb1fb2b259797bc9c703926 /kernel/compat.c | |
| parent | d5bee775137c56ed993f1b3c9d66c268b3525d7d (diff) | |
[PATCH] fix uidhash_lock <-> RCU deadlock
RCU task-struct freeing can call free_uid(), which is taking
uidhash_lock - while other users of uidhash_lock are softirq-unsafe.
The fix is to always take the uidhash_spinlock in a softirq-safe manner.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/compat.c')
0 files changed, 0 insertions, 0 deletions