linux-kernel - Re: [PATCH v5 33/36] KVM: arm64: Wrap the host with a stage 2

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: <eb70a071-4d4a-885f-36a7-3b20358e5513@arm.com>
Date:   Tue, 16 Mar 2021 16:16:18 +0100
From:   Mate Toth-Pal <mate.toth-pal@....com>
To:     Quentin Perret <qperret@...gle.com>
Cc:     catalin.marinas@....com, will@...nel.org, maz@...nel.org,
        james.morse@....com, julien.thierry.kdev@...il.com,
        suzuki.poulose@....com, android-kvm@...gle.com, seanjc@...gle.com,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org, kernel-team@...roid.com,
        kvmarm@...ts.cs.columbia.edu, tabba@...gle.com, ardb@...nel.org,
        mark.rutland@....com, dbrazdil@...gle.com
Subject: Re: [PATCH v5 33/36] KVM: arm64: Wrap the host with a stage 2

On 2021-03-16 15:29, Quentin Perret wrote:
> On Tuesday 16 Mar 2021 at 12:53:53 (+0000), Quentin Perret wrote:
>> On Tuesday 16 Mar 2021 at 13:28:42 (+0100), Mate Toth-Pal wrote:
>>> Changing the value of MT_S2_FWB_NORMAL to 7 would change this behavior, and
>>> the resulting memory type would be device.
>>
>> Sounds like the correct fix here -- see below.
> 
> Just to clarify this, I meant this should be the configuration for the
> host stage-2. We'll want to keep the existing behaviour for guests I
> believe.

I Agree.

Thanks,
Mate