From: Peter Zijlstra <peterz@infradead.org>
To: lkp@lists.01.org
Subject: Re: [setsockopt] WARNING: CPU: 0 PID: 1444 at kernel/sched/core.c:7088 __might_sleep+0x51/0x16f()
Date: Thu, 07 Aug 2014 19:29:01 +0200 [thread overview]
Message-ID: <20140807172901.GH3588@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140807172514.GY9918@twins.programming.kicks-ass.net>
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On Thu, Aug 07, 2014 at 07:25:14PM +0200, Peter Zijlstra wrote:
> > This isn't the only place that we queue a message for the signalling
> > daemon after a prepare_to_wait() uninterruptibly so this patch would
> > be incomplete as is.
>
> I'm not sure I follow, this is the only place you do so while then going
> to sleep. All other sites don't sleep while they're enqueued on the
> waitqueue.
Argh, my brain is fried, you're quite right. I'll go have another stab
at it tomorrow or so.
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
netdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
lkp@01.org, linux-atm-general@lists.sourceforge.net
Subject: Re: [setsockopt] WARNING: CPU: 0 PID: 1444 at kernel/sched/core.c:7088 __might_sleep+0x51/0x16f()
Date: Thu, 7 Aug 2014 19:29:01 +0200 [thread overview]
Message-ID: <20140807172901.GH3588@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140807172514.GY9918@twins.programming.kicks-ass.net>
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On Thu, Aug 07, 2014 at 07:25:14PM +0200, Peter Zijlstra wrote:
> > This isn't the only place that we queue a message for the signalling
> > daemon after a prepare_to_wait() uninterruptibly so this patch would
> > be incomplete as is.
>
> I'm not sure I follow, this is the only place you do so while then going
> to sleep. All other sites don't sleep while they're enqueued on the
> waitqueue.
Argh, my brain is fried, you're quite right. I'll go have another stab
at it tomorrow or so.
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next prev parent reply other threads:[~2014-08-07 17:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-05 21:46 [setsockopt] WARNING: CPU: 0 PID: 1444 at kernel/sched/core.c:7088 __might_sleep+0x51/0x16f() Fengguang Wu
2014-08-05 21:46 ` Fengguang Wu
2014-08-05 21:54 ` Fengguang Wu
2014-08-05 21:54 ` Fengguang Wu
2014-08-06 13:52 ` Nick Krause
2014-08-07 15:17 ` Peter Zijlstra
2014-08-07 15:17 ` Peter Zijlstra
2014-08-07 16:59 ` chas williams - CONTRACTOR
2014-08-07 16:59 ` chas williams - CONTRACTOR
2014-08-07 17:25 ` Peter Zijlstra
2014-08-07 17:25 ` Peter Zijlstra
2014-08-07 17:29 ` Peter Zijlstra [this message]
2014-08-07 17:29 ` Peter Zijlstra
2014-08-12 12:12 ` [PATCH] atm/svc: Fix blocking in wait loop chas williams - CONTRACTOR
2014-08-12 12:12 ` chas williams - CONTRACTOR
2014-08-12 22:02 ` David Miller
2014-08-12 22:02 ` David Miller
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