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Date: Mon, 31 Jan 2011 11:23:21 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Torben Hohn <torbenh@gmx.de>
cc: LKML <linux-kernel@vger.kernel.org>, Peter Zijlstra <peterz@infradead.org>,
        johnstul@us.ibm.com, hch@infradead.org, yong.zhang0@gmail.com,
        Matt Turner <mattst88@gmail.com>, Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH v2 05/20] alpha: change do_timer() to xtime_update()
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On Thu, 27 Jan 2011, Torben Hohn wrote:

> xtime_update() takes the xtime_lock itself.
> state does not to be protected with this lock.
> its only touched here and during init.

xtime_lock very well serializes the access to state on
SMP. timer_interrupt() is called on each cpu. So that wont work.

Thanks,

	tglx