linux-kernel - Re: [PATCH -v3] KVM: MCE: Add MCE support to KVM

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Date:	Mon, 25 May 2009 19:40:38 +0200
From:	Jan Kiszka <jan.kiszka@...mens.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Huang Ying <ying.huang@...el.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH -v3] KVM: MCE: Add MCE support to KVM

Avi Kivity wrote:
> Huang Ying wrote:
>> The related MSRs are emulated. MCE capability is exported via
>> extension KVM_CAP_MCE and ioctl KVM_X86_GET_MCE_CAP_SUPPORTED.  A new
>> vcpu ioctl command KVM_X86_SETUP_MCE is used to setup MCE emulation
>> such as the mcg_cap. MCE is injected via vcpu ioctl command
>> KVM_X86_SET_MCE. Extended machine-check state (MCG_EXT_P) and CMCI are
>> not implemented.
>>
>>   
> 
> Applied, thanks.
> 

This patch breaks kvm build for 32-bit hosts.

Is the KVM MCE interface completely or only partially limited to x86-64,
ie. can I completely #ifdef it away on 32-bit hosts (including
KVM_CAP_MCE) or is this more complicated?

Jan

-- 
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux
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