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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-05-20 09:22:40 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-05-20 10:28:45 +0200 |
| commit | 1c840c14906d4ddf66c1f4f5daea059aad951c82 (patch) | |
| tree | 3c71d3d67c590df598098f5cdb79151359ff2ce4 /kernel/futex.c | |
| parent | c8b15a706d921baed3195407e4f55270112bb3c6 (diff) | |
| download | talos-obmc-linux-1c840c14906d4ddf66c1f4f5daea059aad951c82.tar.gz talos-obmc-linux-1c840c14906d4ddf66c1f4f5daea059aad951c82.zip | |
futex: fix restart for early wakeup in futex_wait_requeue_pi()
The futex_wait_requeue_pi op should restart unconditionally like
futex_lock_pi. The user of that function e.g. pthread_cond_wait can
not be interrupted so we do not care about the SA_RESTART flag of the
signal. Clean up the FIXMEs.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 381125a9f1e0..2aa216e5b594 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2060,7 +2060,7 @@ pi_faulted: * * Returns * 0 - no early wakeup detected - * <0 - -ETIMEDOUT or -ERESTARTSYS (FIXME: or ERESTARTNOINTR?) + * <0 - -ETIMEDOUT or -ERESTARTNOINTR */ static inline int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb, @@ -2087,15 +2087,8 @@ int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb, if (timeout && !timeout->task) ret = -ETIMEDOUT; - else { - /* - * We expect signal_pending(current), but another - * thread may have handled it for us already. - */ - /* FIXME: ERESTARTSYS or ERESTARTNOINTR? Do we care if - * the user specified SA_RESTART or not? */ - ret = -ERESTARTSYS; - } + else + ret = -ERESTARTNOINTR; } return ret; } |
