linux-kernel - Re: [PATCH] KVM: SVM: Adjust tsc_offset only if tsc

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Date:	Sun, 20 Dec 2009 11:59:51 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Zachary Amsden <zamsden@...hat.com>
CC:	Joerg Roedel <joerg.roedel@....com>,
	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: SVM: Adjust tsc_offset only if tsc_unstable

On 12/15/2009 05:38 AM, Zachary Amsden wrote:
> On 12/14/2009 01:22 AM, Joerg Roedel wrote:
>> The tsc_offset adjustment in svm_vcpu_load is executed
>> unconditionally even if Linux considers the host tsc as
>> stable. This causes a Linux guest detecting an unstable tsc
>> in any case.
>> This patch removes the tsc_offset adjustment if the host tsc
>> is stable. The guest will now get the benefit of a stable
>> tsc too.
>>
> Hi Joerg, I have a much more comprehensive series of patches to 
> address this issue, please take a look.
>

Despite this, I've applied the patch to have this fix in while we review 
your patch set (haven't started yet, sorry - still recovering from 
nested vmx).

-- 
error compiling committee.c: too many arguments to function

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