Preempt-RCU: fix rcu_barrier for preemptive environment.

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Fix rcu_barrier() to work properly in preemptive kernel environment.
Also, the ordering of callback must be preserved while moving
callbacks to another CPU during CPU hotplug.

Signed-off-by: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Paul E. McKenney 2008-01-25 21:08:24 +01:00 • committed by Ingo Molnar

parent 01c1c660f4

commit e0ecfa7917

2 changed files with 11 additions and 1 deletions

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2

kernel/rcuclassic.c

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10

kernel/rcupdate.c

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