diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-08-15 23:28:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 17:20:14 +0200 |
| commit | 7980aa397cc0968ea3ffee7a985c31c92ad84f81 (patch) | |
| tree | 629d8fbcd9aa401699510cde11fbcda019a8c903 /kernel/futex.c | |
| parent | b576e640ce5e22673e12949cf14ae3cb18d9b859 (diff) | |
| download | linux-7980aa397cc0968ea3ffee7a985c31c92ad84f81.tar.gz | |
locking/rtmutex: Use rt_mutex_wake_q_head
Prepare for the required state aware handling of waiter wakeups via wake_q
and switch the rtmutex code over to the rtmutex specific wrapper.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211303.197113263@linutronix.de
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 6eab24764f283..21625cb3e865c 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1493,11 +1493,11 @@ static void mark_wake_futex(struct wake_q_head *wake_q, struct futex_q *q) */ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_pi_state *pi_state) { - u32 curval, newval; struct rt_mutex_waiter *top_waiter; struct task_struct *new_owner; bool postunlock = false; - DEFINE_WAKE_Q(wake_q); + DEFINE_RT_WAKE_Q(wqh); + u32 curval, newval; int ret = 0; top_waiter = rt_mutex_top_waiter(&pi_state->pi_mutex); @@ -1549,14 +1549,14 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_pi_state *pi_ * not fail. */ pi_state_update_owner(pi_state, new_owner); - postunlock = __rt_mutex_futex_unlock(&pi_state->pi_mutex, &wake_q); + postunlock = __rt_mutex_futex_unlock(&pi_state->pi_mutex, &wqh); } out_unlock: raw_spin_unlock_irq(&pi_state->pi_mutex.wait_lock); if (postunlock) - rt_mutex_postunlock(&wake_q); + rt_mutex_postunlock(&wqh); return ret; } |