rcu: Introduce proper blocking to no-CBs kthreads GP waits

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Currently, the no-CBs kthreads do repeated timed waits for grace periods
to elapse.  This is crude and energy inefficient, so this commit allows
no-CBs kthreads to specify exactly which grace period they are waiting
for and also allows them to block for the entire duration until the
desired grace period completes.

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

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Paul E. McKenney 2013-02-10 20:48:58 -08:00 • committed by Paul E. McKenney

parent 911af505ef

commit dae6e64d2b

3 changed files with 127 additions and 20 deletions

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6

kernel/rcutree.c

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12

kernel/rcutree.h

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129

kernel/rcutree_plugin.h

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