rcu: Make expedited grace periods resolve stall-warning ties

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Currently, if a grace period ends just as the stall-warning timeout
fires, an empty stall warning will be printed.  This is not helpful,
so this commit avoids these useless warnings by rechecking completion
after awakening in synchronize_sched_expedited_wait().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Paul E. McKenney 2015-11-17 10:56:55 -08:00

parent df5bd5144a

commit 73f36f9de8

1 changed files with 1 additions and 1 deletions

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kernel/rcu/tree.c

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