From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Sasha Levin <levinsasha928@gmail.com>,
Ingo Molnar <mingo@elte.hu>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Dave Jones <davej@redhat.com>
Subject: Re: rcu,sched: spinlock recursion on 3.5-rc2
Date: Tue, 12 Jun 2012 17:15:14 +0200 [thread overview]
Message-ID: <1339514114.31548.78.camel@twins> (raw)
In-Reply-To: <alpine.LFD.2.02.1206121701350.3086@ionos>
On Tue, 2012-06-12 at 17:07 +0200, Thomas Gleixner wrote:
> Hmm, not sure. The deadlock was not triggered in switch_to. It was
> just at the beginning of __schedule()
>
>
How can you tell? switch_to() is a macro not a function, it won't ever
show up on a stack-trace.. but I think you meant context_switch() but
that typically gets inlined, similar problem.
next prev parent reply other threads:[~2012-06-12 15:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-12 11:35 rcu,sched: spinlock recursion on 3.5-rc2 Sasha Levin
2012-06-12 13:40 ` Thomas Gleixner
2012-06-12 14:47 ` Paul E. McKenney
2012-06-12 15:07 ` Thomas Gleixner
2012-06-12 15:15 ` Peter Zijlstra [this message]
2012-06-12 15:20 ` Thomas Gleixner
2012-06-12 15:25 ` Paul E. McKenney
2012-06-12 15:31 ` Sasha Levin
2012-06-12 15:22 ` Paul E. McKenney
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