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(parent: cc631fb) | patch
rcu: need barrier() in UP synchronize_sched_expedited()
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 6 May 2010 18:42:52 +0000 (11:42 -0700)
committerTejun Heo <tj@kernel.org>
Fri, 7 May 2010 05:23:21 +0000 (07:23 +0200)
commitfc390cde362309f6892bb719194f242c466a978b
tree07bfb72fb4eff28cc515a0ff5b2d1571db4f4b69tree | snapshot (tar.gz zip)
parentcc631fb732b8ccd6a0cc45557475ea09b0c21a68commit | diff
rcu: need barrier() in UP synchronize_sched_expedited()

If synchronize_sched_expedited() is ever to be called from within
kernel/sched.c in a !SMP PREEMPT kernel, the !SMP implementation needs
a barrier().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/sched.c diff | blob | blame | history