linux-kernel - Re: [PATCH v2 0/2] KVM: x86: don't announce KVM_CAP_HYPERV_ENLIGHTENED

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <0f3650ef-6a64-b6ab-5370-92e7c4d6cce1@redhat.com>
Date:   Tue, 17 Sep 2019 15:29:04 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>, kvm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Radim Krčmář <rkrcmar@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        Jim Mattson <jmattson@...gle.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Roman Kagan <rkagan@...tuozzo.com>
Subject: Re: [PATCH v2 0/2] KVM: x86: don't announce
 KVM_CAP_HYPERV_ENLIGHTENED_VMCS when it is unavailable

On 28/08/19 09:59, Vitaly Kuznetsov wrote:
> It was discovered that hyperv_cpuid test now fails on AMD as it tries to
> enable KVM_CAP_HYPERV_ENLIGHTENED_VMCS which is (wrongfully) reported as
> available.
> 
> Changes since v1:
> - This is a v2 for '[PATCH 0/3] KVM: x86: fix a couple of issues with
>  Enlightened VMCS enablement' renamed as the first patch of the series
>  was already merged.
> - Added Jim's Reviewed-by: to PATCH1
> - Added missing break in PATCH2 [Jim Mattson, Sean Christopherson] 
> 
> Vitaly Kuznetsov (2):
>   KVM: x86: svm: remove unneeded nested_enable_evmcs() hook
>   KVM: x86: announce KVM_CAP_HYPERV_ENLIGHTENED_VMCS support only when
>     it is available
> 
>  arch/x86/kvm/svm.c | 9 +--------
>  arch/x86/kvm/x86.c | 4 +++-
>  2 files changed, 4 insertions(+), 9 deletions(-)
> 

Queued, thanks.

Paolo