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| author | Andrew Morton <akpm@linux-foundation.org> | 2010-06-29 15:05:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-29 15:29:32 -0700 |
| commit | f4985dc714d7ab1920c5aa502b7f4073fa1b4177 (patch) | |
| tree | 4e8385c3d0c95f02623f5712a875742664701822 /kernel/futex.c | |
| parent | fb967ecc584c20c74a007de749ca597068b0fcac (diff) | |
| download | kernel_samsung_smdk4412-f4985dc714d7ab1920c5aa502b7f4073fa1b4177.zip kernel_samsung_smdk4412-f4985dc714d7ab1920c5aa502b7f4073fa1b4177.tar.gz kernel_samsung_smdk4412-f4985dc714d7ab1920c5aa502b7f4073fa1b4177.tar.bz2 | |
fs/fcntl.c:kill_fasync_rcu() fa_lock must be IRQ-safe
Fix a lockdep-splat-causing regression introduced by commit 989a2979205d
("fasync: RCU and fine grained locking").
kill_fasync() can be called from both process and hard-irq context, so
fa_lock must be taken with IRQs disabled.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16230
Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reported-by: Dominik Brodowski <linux@dominikbrodowski.net>
Tested-by: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Maciej Rutecki <maciej.rutecki@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/futex.c')
0 files changed, 0 insertions, 0 deletions