| commit | 51bf41bc7a5338b8698ff7c797f1b44d5fd4eaec | [log] [tgz] |
|---|---|---|
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Thu Feb 01 22:05:38 2018 -0800 |
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Thu Feb 22 16:29:18 2018 -0800 |
| tree | d8aafd4c5843461efe75d631d2a5660fb7ba1f77 | |
| parent | 4cad5591fc03b61a017fb58f74497e613f3af359 [diff] |
rcu: Parallelize expedited grace-period initialization The latency of RCU expedited grace periods grows with increasing numbers of CPUs, eventually failing to be all that expedited. Much of the growth in latency is in the initialization phase, so this commit uses workqueues to carry out this initialization concurrently on a rcu_node-by-rcu_node basis. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>