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rcu: Awaken grace-period kthread when stalled
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 31 Dec 2015 16:48:36 +0000 (08:48 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 31 Mar 2016 20:34:49 +0000 (13:34 -0700)
commit86057b80ae31d37fcbdb5f57d15aaf1148c69f96
tree8b7ec833f68738a933d647e1d85056e66e85c49ftree | snapshot (tar.gz zip)
parent274529ba9bda86c91c2c06da3a641aaf617dd30fcommit | diff
rcu: Awaken grace-period kthread when stalled

Recent kernels can fail to awaken the grace-period kthread for
quiescent-state forcing.  This commit is a crude hack that does
a wakeup any time a stall is detected.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcu/tree.c diff | blob | blame | history