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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Mike Galbraith <bitbucket@online.de>
Cc: Manfred Spraul <manfred@colorfullife.com>,
	linux-rt-users <linux-rt-users@vger.kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [patch 1/3] ipc/sem: fix -rt livelock
Date: Fri, 4 Oct 2013 12:44:50 +0200	[thread overview]
Message-ID: <20131004104450.GB19953@linutronix.de> (raw)
In-Reply-To: <1379220340.5545.93.camel@marge.simpson.net>

* Mike Galbraith | 2013-09-15 06:45:40 [+0200]:

Hi,

>On Sat, 2013-09-14 at 23:46 +0200, Manfred Spraul wrote: 
>> Could you check that?
>
>I think you're right.
>
>> Or alternatively: Is my proposed sem_lock() function -rt friendly?
>
>Some way of making spin_unlock_wait() _go away_ along with the livelock
>would be better, but patches look good to me.  I'll apply both and stare
>at the sum, and ask boxen what they think.. they're better at spotting
>locking troubles ;-)

Do you post a new series of those three patches with the live lock
Manfred mentioned fixed or should I look at this serie?

>-Mike

Sebastian

  reply	other threads:[~2013-10-04 10:44 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1379051751.5455.112.camel@marge.simpson.net>
2013-09-13  6:12 ` [patch 1/3] ipc/sem: fix -rt livelock Mike Galbraith
2013-09-14 12:24   ` Manfred Spraul
2013-09-15  3:41     ` Mike Galbraith
2013-09-14 21:46   ` Manfred Spraul
2013-09-15  4:45     ` Mike Galbraith
2013-10-04 10:44       ` Sebastian Andrzej Siewior [this message]
2013-10-04 11:16         ` Mike Galbraith
2013-10-04 11:28           ` Sebastian Andrzej Siewior
2013-10-04 13:55             ` Mike Galbraith
2013-10-04 14:02               ` Manfred Spraul
2013-10-04 14:08                 ` Mike Galbraith
2013-10-11 15:36                   ` Sebastian Andrzej Siewior
2013-10-12  4:34                     ` Mike Galbraith
2013-09-13  6:12 ` [patch 2/3] ipc/sem: revert ipc/sem: Rework semaphore wakeups Mike Galbraith
2013-09-13  6:12 ` [patch 3/3] ipc/sem: Add -RT compatible wakeup scheme Mike Galbraith

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