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| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-05-17 16:30:12 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-05-25 18:30:15 +0300 |
| commit | a82adc7650044b5555d65078bda07866efa4a73d (patch) | |
| tree | 30df6594ac94489559ca330b1ecd412f4316d1cc /kernel/futex.c | |
| parent | f4addd54b1617067f735ad194a3580a2db7b8bf5 (diff) | |
| download | linux-a82adc7650044b5555d65078bda07866efa4a73d.tar.xz | |
futex: Deduplicate cond_resched() invocation in futex_wake_op()
After pagefaulting in futex_wake_op() both branches do cond_resched()
before retry. Deduplicate it as compilers cannot figure it out themself.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
Link: https://lore.kernel.org/r/9b2588c1fd33c91fb01c4e348a3b647ab2c8baab.1621258128.git.asml.silence@gmail.com
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 2f386f012900..08008c225bec 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1728,12 +1728,9 @@ retry_private: return ret; } - if (!(flags & FLAGS_SHARED)) { - cond_resched(); - goto retry_private; - } - cond_resched(); + if (!(flags & FLAGS_SHARED)) + goto retry_private; goto retry; } |