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| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-07-26 20:47:42 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-08-20 11:45:50 -0700 |
| commit | 458fb381eacdd23366cfa2fbdf5a467848683e3a (patch) | |
| tree | 2e99312defa53ba0576e303021a0a2bf62b664b8 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | rcu: Select IRQ_WORK from TREE_PREEMPT_RCU (diff) | |
| download | linux-dev-458fb381eacdd23366cfa2fbdf5a467848683e3a.tar.xz linux-dev-458fb381eacdd23366cfa2fbdf5a467848683e3a.zip | |
rcu: Simplify _rcu_barrier() processing
This commit drops an unneeded ACCESS_ONCE() and simplifies an "our work
is done" check in _rcu_barrier(). This applies feedback from Linus
(https://lkml.org/lkml/2013/7/26/777) that he gave to similar code
in an unrelated patch.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
[ paulmck: Fix comment to match code, reported by Lai Jiangshan. ]
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions