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Subject: Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support
To:     Borislav Petkov <bp@alien8.de>, Jim Mattson <jmattson@google.com>
Cc:     Paolo Bonzini <pbonzini@redhat.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Wanpeng Li <wanpengli@tencent.com>,
        kvm list <kvm@vger.kernel.org>, Joerg Roedel <joro@8bytes.org>,
        the arch/x86 maintainers <x86@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@redhat.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Makarand Sonare <makarandsonare@google.com>,
        Sean Christopherson <seanjc@google.com>
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From:   Babu Moger <babu.moger@amd.com>
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On 3/11/21 3:36 PM, Borislav Petkov wrote:
> On Thu, Mar 11, 2021 at 01:23:47PM -0800, Jim Mattson wrote:
>> I would expect kaiser_enabled to be false (and PCIDs not to be used),
>> since AMD CPUs are not vulnerable to Meltdown.
> 
> Ah, of course. The guest dmesg should have
> 
> "Kernel/User page tables isolation: disabled."

yes.
 #dmesg |grep isolation
[    0.000000] Kernel/User page tables isolation: disabled

> 
> Lemme see if I can reproduce.
>