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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-05-30 10:11:24 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-07-22 15:26:58 -0700
commit24560056de61d86153cecb84d04e4237437f5888 (patch)
tree4674113128e446afb740fcc1d45d7fbd64dcff1f /init
parentf765d1130700878c2275bc1ea09eed428f870a2a (diff)
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rcu: Add RCU-sched flavors of get-state and cond-sync
The get_state_synchronize_rcu() and cond_synchronize_rcu() functions allow polling for grace-period completion, with an actual wait for a grace period occurring only when cond_synchronize_rcu() is called too soon after the corresponding get_state_synchronize_rcu(). However, these functions work only for vanilla RCU. This commit adds the get_state_synchronize_sched() and cond_synchronize_sched(), which provide the same capability for RCU-sched. Reported-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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