linux-kernel - Re: [PATCH 2/3] KVM: x86: Advertise INVPCID by default

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Message-ID: <CALMp9eR2fun289DuqSC87hkTyzT3KpvDwojhRis8KqLJS5_qaw@mail.gmail.com>
Date:   Thu, 11 Feb 2021 17:02:21 -0800
From:   Jim Mattson <jmattson@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>, kvm list <kvm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Babu Moger <babu.moger@....com>
Subject: Re: [PATCH 2/3] KVM: x86: Advertise INVPCID by default

On Thu, Feb 11, 2021 at 4:34 PM Sean Christopherson <seanjc@...gle.com> wrote:
>
> Advertise INVPCID by default (if supported by the host kernel) instead
> of having both SVM and VMX opt in.  INVPCID was opt in when it was a
> VMX only feature so that KVM wouldn't prematurely advertise support
> if/when it showed up in the kernel on AMD hardware.
>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
Reviewed-by: Jim Mattson <jmattson@...gle.com>