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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-09-12 20:35:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-13 07:32:14 -0700 |
| commit | dd9daa221e77f642954849a795fa7c59533a9b2f (patch) | |
| tree | 6b207a5296063e1a773f36fb724402ea7cbab7eb /kernel/sys_ni.c | |
| parent | 7fbb36451a91de6e8f9ece4f1f1ee9bd8ebf838a (diff) | |
| download | op-kernel-dev-dd9daa221e77f642954849a795fa7c59533a9b2f.zip op-kernel-dev-dd9daa221e77f642954849a795fa7c59533a9b2f.tar.gz | |
[PATCH] rcu_do_batch: make ->qlen decrement irq safe
rcu_do_batch() decrements rdp->qlen with irqs enabled. This is not good,
it can also be modified by call_rcu() from interrupt.
Decrement ->qlen once with irqs disabled, after a main loop.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/sys_ni.c')
0 files changed, 0 insertions, 0 deletions
