From: Davidlohr Bueso <dave@stgolabs.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Davidlohr Bueso <dave@stgolabs.net>,
Davidlohr Bueso <dbueso@suse.de>
Subject: [PATCH 1/3] ipc,sem: use current->state helpers
Date: Wed, 14 Jan 2015 22:59:12 -0800 [thread overview]
Message-ID: <1421305154-14788-1-git-send-email-dave@stgolabs.net> (raw)
Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping
track of who changed the state.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
---
ipc/sem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ipc/sem.c b/ipc/sem.c
index 6115146..9284211 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1941,7 +1941,7 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
queue.sleeper = current;
sleep_again:
- current->state = TASK_INTERRUPTIBLE;
+ __set_current_state(TASK_INTERRUPTIBLE);
sem_unlock(sma, locknum);
rcu_read_unlock();
--
2.1.2
next reply other threads:[~2015-01-15 7:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-15 6:59 Davidlohr Bueso [this message]
2015-01-15 6:59 ` [PATCH 2/3] jbd: drop jbd_ENOSYS debug Davidlohr Bueso
2015-01-15 9:34 ` Jan Kara
2015-01-15 6:59 ` [PATCH 3/3] signal: use current->state helpers Davidlohr Bueso
2015-01-15 19:43 ` Oleg Nesterov
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