tree 0a98f64b43f1b1199a45bcdff07743afbb526989
parent e5b9a335fd2180c6db1bcc4b24e83aff7481ebe3
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1162799530 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1162806383 -0800

[PATCH] lockdep: fix delayacct locking bug

Make the delayacct lock irqsave; this avoids the possible deadlock where
an interrupt is taken while holding the delayacct lock which needs to
take the delayacct lock.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>