linux-kernel - Re: [PATCH 04/18] Make cpu_tsc

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Message-ID: <4C3DCC8B.1080509@redhat.com>
Date:	Wed, 14 Jul 2010 10:41:15 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Zachary Amsden <zamsden@...hat.com>
CC:	KVM <kvm@...r.kernel.org>, Avi Kivity <avi@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Glauber Costa <glommer@...hat.com>,
	Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/18] Make cpu_tsc_khz updates use local CPU

On 07/12/2010 10:25 PM, Zachary Amsden wrote:
> This simplifies much of the init code; we can now simply always
> call tsc_khz_changed, optionally passing it a new value, or letting
> it figure out the existing value (while interrupts are disabled, and
> thus, by inference from the rule, not raceful against CPU hotplug or
> frequency updates, which will issue IPIs to the local CPU to perform
> this very same task).
>
> Signed-off-by: Zachary Amsden<zamsden@...hat.com>

Acked-by: Rik van Riel <riel@...hat.com>

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