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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-12-09 17:08:45 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-12-09 17:08:45 +0100 |
| commit | 2b3c99ee6389d33aff91d9e7a55465d7d1332bbd (patch) | |
| tree | 9e1e5d839d80c95854007c958f2c367290bf1090 /kernel/futex.c | |
| parent | refcount: Fix a kernel-doc markup (diff) | |
| parent | rwsem: Implement down_read_interruptible (diff) | |
| download | linux-dev-2b3c99ee6389d33aff91d9e7a55465d7d1332bbd.tar.xz linux-dev-2b3c99ee6389d33aff91d9e7a55465d7d1332bbd.zip | |
Merge branch 'locking/rwsem'
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index aee6ce294d84..c47d1015d759 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -786,8 +786,9 @@ static void put_pi_state(struct futex_pi_state *pi_state) */ if (pi_state->owner) { struct task_struct *owner; + unsigned long flags; - raw_spin_lock_irq(&pi_state->pi_mutex.wait_lock); + raw_spin_lock_irqsave(&pi_state->pi_mutex.wait_lock, flags); owner = pi_state->owner; if (owner) { raw_spin_lock(&owner->pi_lock); @@ -795,7 +796,7 @@ static void put_pi_state(struct futex_pi_state *pi_state) raw_spin_unlock(&owner->pi_lock); } rt_mutex_proxy_unlock(&pi_state->pi_mutex, owner); - raw_spin_unlock_irq(&pi_state->pi_mutex.wait_lock); + raw_spin_unlock_irqrestore(&pi_state->pi_mutex.wait_lock, flags); } if (current->pi_state_cache) { |