rcu: Improve grace-period start logic

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This commit improves grace-period start logic by checking ->gp_flags
under the lock and by issuing a warning if a grace period is already
in progress.

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

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Paul E. McKenney 2013-08-08 18:27:52 -07:00

parent 272b98c645

commit f7be820939

1 changed files with 12 additions and 5 deletions

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17

kernel/rcutree.c

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