linux-kernel - Re: [PATCH] [2/2] KVM: Add VT-x machine check support

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Message-ID: <4A27C7B6.6030709@redhat.com>
Date:	Thu, 04 Jun 2009 16:10:14 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	ying.huang@...el.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [2/2] KVM: Add VT-x machine check support

Andi Kleen wrote:
>> vmcs access work because we have a preempt notifier called when we are 
>> scheduled in, and will execute vmclear/vmptrld as necessary.  Look at 
>> kvm_preempt_ops in virt/kvm_main.c.
>>     
>
> I see. So we need to move that check earlier. Do you have a preference
> where it should be?
>   

There's no good place as it breaks the nice exit handler table.  You 
could put it in vmx_complete_interrupts() next to NMI handling.

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

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