From: Frederic Weisbecker <fweisbec@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: LKML <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 2/7] sched: Remove obsolete comment in __cond_resched()
Date: Thu, 16 Jul 2009 02:28:09 -0400 [thread overview]
Message-ID: <1247725694-6082-2-git-send-email-fweisbec@gmail.com> (raw)
In-Reply-To: <1247725694-6082-1-git-send-email-fweisbec@gmail.com>
Remove the outdated comment from __cond_resched() related
to the now removed Big Kernel Semaphore.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/sched.c | 5 -----
1 files changed, 0 insertions(+), 5 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 264b163..bb11547 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6613,11 +6613,6 @@ static void __cond_resched(void)
#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
__might_sleep(__FILE__, __LINE__);
#endif
- /*
- * The BKS might be reacquired before we have dropped
- * PREEMPT_ACTIVE, which could trigger a second
- * cond_resched() call.
- */
add_preempt_count(PREEMPT_ACTIVE);
schedule();
sub_preempt_count(PREEMPT_ACTIVE);
--
1.6.2.3
next prev parent reply other threads:[~2009-07-16 6:29 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-16 6:28 [PATCH 1/7] sched: Drop the need_resched() loop from cond_resched() Frederic Weisbecker
2009-07-16 6:28 ` Frederic Weisbecker [this message]
2009-07-18 14:21 ` [tip:sched/core] sched: Remove obsolete comment in __cond_resched() tip-bot for Frederic Weisbecker
2009-07-16 6:28 ` [PATCH 3/7] sched: Cover the CONFIG_DEBUG_SPINLOCK_SLEEP off-case for __might_sleep() Frederic Weisbecker
2009-07-18 14:21 ` [tip:sched/core] " tip-bot for Frederic Weisbecker
2009-07-16 6:28 ` [PATCH 4/7] sched: Add a preempt count base offset to __might_sleep() Frederic Weisbecker
2009-07-16 14:14 ` Peter Zijlstra
2009-07-16 14:34 ` Peter Zijlstra
2009-07-16 14:42 ` Frederic Weisbecker
2009-07-18 14:22 ` [tip:sched/core] " tip-bot for Frederic Weisbecker
2009-07-16 6:28 ` [PATCH 5/7] sched: Remove the CONFIG_PREEMPT_BKL case definition of cond_resched() Frederic Weisbecker
2009-07-18 14:22 ` [tip:sched/core] " tip-bot for Frederic Weisbecker
2009-07-16 6:28 ` [PATCH 6/7 v3] sched: Pull up the might_sleep() check in cond_resched() Frederic Weisbecker
2009-07-18 14:22 ` [tip:sched/core] sched: Pull up the might_sleep() check into cond_resched() tip-bot for Frederic Weisbecker
2009-07-20 6:50 ` Li Zefan
2009-07-20 8:12 ` Frederic Weisbecker
2009-07-20 8:49 ` Peter Zijlstra
2009-07-20 9:13 ` Frederic Weisbecker
2009-07-20 11:56 ` Ingo Molnar
2009-07-20 11:39 ` Peter Zijlstra
2009-07-22 17:17 ` Frédéric Weisbecker
2009-07-22 17:56 ` Peter Zijlstra
2009-07-16 6:28 ` [PATCH 7/7] sched: Convert the only user of cond_resched_bkl to use cond_resched() Frederic Weisbecker
2009-07-18 14:22 ` [tip:sched/core] " tip-bot for Frederic Weisbecker
2009-07-18 14:21 ` [tip:sched/core] sched: Drop the need_resched() loop from cond_resched() tip-bot for Frederic Weisbecker
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