linux-kernel - Re: [PATCH] KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is active

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

Message-ID: <20191028080220.GH1560@sasha-vm>
Date:   Mon, 28 Oct 2019 04:02:20 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        stable@...r.kernel.org, Joerg Roedel <jroedel@...e.de>
Subject: Re: [PATCH] KVM: vmx, svm: always run with EFER.NXE=1 when shadow
 paging is active

On Mon, Oct 28, 2019 at 08:56:26AM +0100, Paolo Bonzini wrote:
>On 28/10/19 07:59, Sasha Levin wrote:
>>
>> This commit has been processed because it contains a -stable tag.
>> The stable tag indicates that it's relevant for the following trees: all
>>
>> The bot has tested the following trees: v5.3.7, v4.19.80, v4.14.150, v4.9.197, v4.4.197.
>>
>> v5.3.7: Build OK!
>> v4.19.80: Failed to apply! Possible dependencies:
>>     Unable to calculate
>>
>> v4.14.150: Failed to apply! Possible dependencies:
>>     Unable to calculate
>>
>> v4.9.197: Failed to apply! Possible dependencies:
>>     Unable to calculate
>>
>> v4.4.197: Failed to apply! Possible dependencies:
>>     Unable to calculate
>>
>>
>> NOTE: The patch will not be queued to stable trees until it is upstream.
>>
>> How should we proceed with this patch?
>
>It should apply just fine to all branches, just to arch/x86/kvm/vmx.c
>instead of arch/x86/kvm/vmx/vmx.c.

I wonder if we should be carrying symlinks in the stable branches to
make this smoother...

-- 
Thanks,
Sasha