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| author |   Paul E. McKenney <paulmck@linux.ibm.com> | 2019-06-02 13:41:08 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2019-08-13 14:35:49 -0700 |
| commit | 4fd8c5f153bc41ae847b9ddb1539b34f70c18278 (patch) | |
| tree | 9ee82606a6959988cb925ec1404e37b66f6145a4 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | rcu/nocb: Reduce contention at no-CBs invocation-done time (diff) | |
| download | wireguard-linux-4fd8c5f153bc41ae847b9ddb1539b34f70c18278.tar.xz wireguard-linux-4fd8c5f153bc41ae847b9ddb1539b34f70c18278.zip | |
rcu/nocb: Reduce ->nocb_lock contention with separate ->nocb_gp_lock
The sleep/wakeup of the no-CBs grace-period kthreads is synchronized
using the ->nocb_lock of the first CPU corresponding to that kthread.
This commit provides a separate ->nocb_gp_lock for this purpose, thus
reducing contention on ->nocb_lock.
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions