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Date: Wed, 01 Dec 2004 15:40:33 -0600
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From: Chris Friesen <cfriesen@nortelnetworks.com>
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To: Ingo Molnar <mingo@elte.hu>
CC: Esben Nielsen <simlo@phys.au.dk>, Paul Davis <paul@linuxaudiosystems.com>,
       Florian Schmidt <mista.tapas@gmx.net>,
       Rui Nuno Capela <rncbc@rncbc.org>, linux-kernel@vger.kernel.org,
       Lee Revell <rlrevell@joe-job.com>, mark_h_johnson@raytheon.com,
       "K.R. Foley" <kr@cybsft.com>, Bill Huey <bhuey@lnxw.com>,
       Adam Heath <doogie@debian.org>, Thomas Gleixner <tglx@linutronix.de>,
       Michal Schmidt <xschmi00@stud.feec.vutbr.cz>,
       Fernando Pablo Lopez-Lezcano <nando@ccrma.stanford.edu>,
       Karsten Wiese <annabellesgarden@yahoo.de>,
       Gunther Persoons <gunther_persoons@spymac.com>, emann@mrv.com,
       Shane Shrybman <shrybman@aei.ca>, Amit Shah <amit.shah@codito.com>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2
References: <20041201155353.GA30193@elte.hu> <Pine.OSF.4.05.10412011708520.8736-100000@da410.ifa.au.dk> <20041201212413.GF22671@elte.hu>
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Ingo Molnar wrote:

> actually, the main problem with fifos was they were _not_ atomic even in
> read/write (i myself fully expected them to be that, but they arent). 
> That's the bug/misfeature that i fixed in the latest kernels.

Whoa.  pipes (ie from the pipe() call) don't read/write atomicly? Even if you 
write less than a page?

When was this fixed?

Chris