From: Daniel Walker <dwalker@mvista.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.13-rc7-rt1
Date: Thu, 25 Aug 2005 14:46:13 -0700 [thread overview]
Message-ID: <1125006373.10901.11.camel@dhcp153.mvista.com> (raw)
In-Reply-To: <20050825062651.GA26781@elte.hu>
Wakeup race checking shouldn't trigger when interrupts are off. Here's a
fix.
Daniel
Index: linux-2.6.12/kernel/rt.c
===================================================================
--- linux-2.6.12.orig/kernel/rt.c 2005-08-25 21:33:43.000000000 +0000
+++ linux-2.6.12/kernel/rt.c 2005-08-25 21:44:20.000000000 +0000
@@ -257,6 +257,7 @@ void check_preempt_wakeup(struct task_st
* hangs and race conditions.
*/
if (!preempt_count() &&
+ !__raw_irqs_disabled() &&
p->prio < current->prio &&
rt_task(p) &&
(current->rcu_read_lock_nesting != 0 ||
next prev parent reply other threads:[~2005-08-25 21:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-25 6:26 2.6.13-rc7-rt1 Ingo Molnar
2005-08-25 15:36 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-25 17:45 ` 2.6.13-rc7-rt1 Ingo Molnar
2005-08-25 21:35 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-26 6:31 ` 2.6.13-rc7-rt1 Ingo Molnar
2005-08-26 14:27 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-25 17:37 ` 2.6.13-rc7-rt1 Chuck Harding
2005-08-25 21:46 ` Daniel Walker [this message]
2005-08-25 21:54 ` 2.6.13-rc7-rt1 Ingo Molnar
2005-08-25 22:11 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-25 22:19 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-26 6:32 ` 2.6.13-rc7-rt1 Ingo Molnar
2005-08-25 23:29 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-26 0:22 ` 2.6.13-rc7-rt1 Thomas Gleixner
2005-08-26 1:15 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-26 6:43 ` 2.6.13-rc7-rt1 Thomas Gleixner
2005-08-26 14:17 ` 2.6.13-rc7-rt1 Daniel Walker
2005-08-26 6:17 ` 2.6.13-rc7-rt1 Ingo Molnar
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