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Re: [Qemu-devel] [PATCH v4 3/3] i386: publish advised value of MSR_IA32_

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v4 3/3] i386: publish advised value of MSR_IA32_FEATURE_CONTROL via fw_cfg
Date: Mon, 20 Jun 2016 08:56:51 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

On 20/06/2016 05:09, Haozhong Zhang wrote:
> In the current nested VMX implementation in QEMU, setup
> MSR_IA32_FEATURE_CONTROL is left to guest. So I think, for LMCE which
> is another feature involving MSR_IA32_FEATURE_CONTROL, we may follow
> the existing code.
> Paolo and Radim, is there any case that objects to setting

If the SDM says that the reset state of the MSR is zero, QEMU should
initialize it to zero.


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