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SubjectRe: [PATCH] KVM: x86: do not reset microcode version on INIT or RESET
Paolo Bonzini <> writes:
> The microcode version should be set just once, since it is essentially a CPU feature; so do it on vCPU creation rather than reset.
> Userspace can tie the fix to the availability of MSR_IA32_UCODE_REV in the list of emulated MSRs.
> Reported-by: Alex Williamson <>
> Signed-off-by: Paolo Bonzini <>

Looks good. Thanks.
Reviewed-by: Miaohe Lin <>

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