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Merge branch 'locking/rwsem'

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This commit is contained in:
Peter Zijlstra
2020-12-09 17:08:45 +01:00
parent 97d62caa32 31784cff7e
commit 2b3c99ee63
1059 changed files with 15940 additions and 6944 deletions
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5
kernel/futex.c
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@@ -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) {