diff options
| author | Paul E. McKenney <[email protected]> | 2019-12-21 18:41:48 +0000 |
|---|---|---|
| committer | Paul E. McKenney <[email protected]> | 2020-02-21 00:03:31 +0000 |
| commit | 202489101f2e6cee3f6dffc087a4abd5fdfcebda (patch) | |
| tree | cedef3be1fb42eb8f0a08d7e1652ec998bd9a4ed /scripts/gcc-plugins/cyc_complexity_plugin.c | |
| parent | rcutorture: Make kvm-find-errors.sh abort on bad directory (diff) | |
| download | kernel-202489101f2e6cee3f6dffc087a4abd5fdfcebda.tar.gz kernel-202489101f2e6cee3f6dffc087a4abd5fdfcebda.zip | |
rcutorture: Fix rcu_torture_one_read()/rcu_torture_writer() data race
The ->rtort_pipe_count field in the rcu_torture structure checks for
too-short grace periods, and is therefore read by rcutorture's readers
while being updated by rcutorture's writers. This commit therefore
adds the needed READ_ONCE() and WRITE_ONCE() invocations.
This data race was reported by KCSAN. Not appropriate for backporting
due to failure being unlikely and due to this being rcutorture.
Signed-off-by: Paul E. McKenney <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/cyc_complexity_plugin.c')
0 files changed, 0 insertions, 0 deletions