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
> MSR_IA32_FEATURE_CONTROL in QEMU?

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

Paolo

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