From: linmiaohe <linmiaohe@huawei.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [PATCH] KVM: x86: do not reset microcode version on INIT or RESET
Date: Wed, 12 Feb 2020 01:53:51 +0000 [thread overview]
Message-ID: <713f14e711fc493f8a8de4adf2f4b6f5@huawei.com> (raw)
Paolo Bonzini <pbonzini@redhat.com> 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 <alex.williamson@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Looks good. Thanks.
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
next reply other threads:[~2020-02-12 1:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 1:53 linmiaohe [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-02-11 18:04 Paolo Bonzini
2020-02-11 22:38 ` Sean Christopherson
2020-02-12 7:44 ` Paolo Bonzini
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