linux-kernel - Re: [PATCH] x86: Reduce clock calibration time during slave cpu startup

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Message-ID: <20110727140523.GA24206@redhat.com>
Date:	Wed, 27 Jul 2011 10:05:24 -0400
From:	Dave Jones <davej@...hat.com>
To:	Jack Steiner <steiner@....com>
Cc:	mingo@...e.hu, tglx@...utronix.de, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Reduce clock calibration time during slave cpu
 startup

On Wed, Jul 27, 2011 at 08:57:31AM -0500, Jack Steiner wrote:

 > Note: patch assumes that all multi-core x86 processor sockets have the same
 > clock frequency for all cores. AFAIK, this is true & will continue
 > to be true for a long time. 

not necessarily true. (the 'long time' part might be sooner than you think)

	Dave

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