linux-kernel - Re: [PATCH v5 09/12] x86/kvm/nVMX: allow bare VMXON state migration

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: <87zhvernzs.fsf@vitty.brq.redhat.com>
Date:   Tue, 16 Oct 2018 15:59:35 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        Roman Kagan <rkagan@...tuozzo.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "Michael Kelley \(EOSG\)" <Michael.H.Kelley@...rosoft.com>,
        Jim Mattson <jmattson@...gle.com>,
        Liran Alon <liran.alon@...cle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 09/12] x86/kvm/nVMX: allow bare VMXON state migration

Paolo Bonzini <pbonzini@...hat.com> writes:

> On 13/09/2018 19:05, Vitaly Kuznetsov wrote:
>> It is perfectly valid for a guest to do VMXON and not do VMPTRLD. This
>> state needs to be preserved on migration.
>> 
>> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
>
> Please cover this in state-test.c too.
>

Sure, this is kind of tested in the newly introduced evmcs_test but
makes perfect sense to do this in state_test too.

The series also got rotten and requires a rebase, will do that.

Thanks,

-- 
Vitaly