Message-ID: <1369539830.5893.23.camel@marge.simpson.net>
Subject: Re: [PATCH v2] ipc/sem.c: fix lockup, restore FIFO behavior
From: Mike Galbraith <bitbucket@online.de>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>, Rik van Riel <riel@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>, hhuang@redhat.com,
        Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 26 May 2013 05:43:50 +0200
In-Reply-To: <1369538388.5893.15.camel@marge.simpson.net>
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	 <51A0FB23.3050301@redhat.com>
	 <1369506721.2065.10.camel@buesod1.americas.hpqcorp.net>
	 <51A11851.2010303@colorfullife.com>
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On Sun, 2013-05-26 at 05:19 +0200, Mike Galbraith wrote: 
> On Sat, 2013-05-25 at 22:00 +0200, Manfred Spraul wrote:
> 
> > P.S.:
> > Btw, I found some code that uses a semop with 2 ops:
> > http://publib.boulder.ibm.com/infocenter/iseries/v5r3/index.jsp?topic=%2Fapis%2Fapiexusmem.htm
> 
> I recently analyzed rt traces containing 9 ops.

P.S. I dearly hope your patch flies, for otherwise I shall be sweating
frickin' bullets when the application that does that meets a new kernel.

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