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| author | Peter Zijlstra <peterz@infradead.org> | 2021-09-09 12:59:17 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-09-15 17:49:15 +0200 |
| commit | 7687201e37fabf2b7cf2b828f7ca46bf30e2948f (patch) | |
| tree | 983890044173ba2359c708955bd59d69e8be612e /kernel | |
| parent | Linux 5.15-rc1 (diff) | |
| download | linux-7687201e37fabf2b7cf2b828f7ca46bf30e2948f.tar.xz linux-7687201e37fabf2b7cf2b828f7ca46bf30e2948f.zip | |
locking/rwbase: Properly match set_and_save_state() to restore_state()
Noticed while looking at the readers race.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20210909110203.828203010@infradead.org
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/locking/rwbase_rt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/rwbase_rt.c b/kernel/locking/rwbase_rt.c index 4ba15088e640..542b0170e4f5 100644 --- a/kernel/locking/rwbase_rt.c +++ b/kernel/locking/rwbase_rt.c @@ -220,7 +220,7 @@ static int __sched rwbase_write_lock(struct rwbase_rt *rwb, for (; atomic_read(&rwb->readers);) { /* Optimized out for rwlocks */ if (rwbase_signal_pending_state(state, current)) { - __set_current_state(TASK_RUNNING); + rwbase_restore_current_state(); __rwbase_write_unlock(rwb, 0, flags); return -EINTR; } |