From: Thomas Gleixner <tglx@linutronix.de>
To: Darren Hart <dvhart@linux.intel.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Eric Dumazet <eric.dumazet@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>, John Kacur <jkacur@redhat.com>,
stable@kernel.org
Subject: Re: [PATCH V5] futex: set FLAGS_HAS_TIMEOUT during futex_wait restart setup
Date: Fri, 15 Apr 2011 16:30:10 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.00.1104151629340.2744@localhost6.localdomain6> (raw)
In-Reply-To: <4DA85114.3010501@linux.intel.com>
On Fri, 15 Apr 2011, Darren Hart wrote:
> I believe I asked you the same question when I was adding the
> FLAGS_HAS_TIMEOUT. :-) The problem is distinguishing between no timeout
> and an expired timer. The above always passes a non-null address for
> abs_time to futex_wait(), which will then always schedule a timer.
Duh, correct.
prev parent reply other threads:[~2011-04-15 14:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-14 22:41 Darren Hart
2011-04-15 8:33 ` Thomas Gleixner
2011-04-15 9:27 ` Eric Dumazet
2011-04-15 14:07 ` Darren Hart
2011-04-15 14:30 ` Thomas Gleixner [this message]
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