linux-kernel - Re: [PATCH 0/2] irq

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Message-ID: <1351617192.8467.124.camel@gandalf.local.home>
Date:	Tue, 30 Oct 2012 13:13:12 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: Re: [PATCH 0/2] irq_work: A couple fixes

On Tue, 2012-10-30 at 17:25 +0100, Frederic Weisbecker wrote:

> No I was worried about the cpu_relax() in irq_work_sync()

That one is fine too, as this is the purpose of cpu_relax(). Not only to
relax the cpu, but also to tell gcc that the loop needs to be reread.

-- Steve


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