linux-kernel - Re: [PATCH V6 0/8] KVM: X86: Introducing ROE Protection Kernel Hardening

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Message-ID: <CAAGnT3Y8SwD-jm2x2k7y2EZMsHdfua4-tnfu8o_ajyV+n4imcA@mail.gmail.com>
Date:   Thu, 8 Nov 2018 22:54:00 +0200
From:   Ahmed Soliman <ahmedsoliman0x666@...il.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        nathan Corbet <corbet@....net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "the arch/x86 maintainers" <x86@...nel.org>, kvm@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        김인겸 <ovich00@...il.com>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        nigel.edwards@....com, Boris Lukashev <blukashev@...pervictus.com>,
        Hossam Hassan <7ossam9063@...il.com>,
        Ahmed Lotfy <A7med.lotfey@...il.com>
Subject: Re: [PATCH V6 0/8] KVM: X86: Introducing ROE Protection Kernel Hardening

Hello,

> Do you have patches that enable usage of ROE in the kernel?
> Alternatively you can write testcases in tools/testing/selftests/kvm to
> test how guests should use it.

As for now ROE isn't integrated yet into the kernel, I did have some
tests I will
have them in  selftests/kvm in the next patch set

> I would remove CONFIG_KVM_ROE altogether.  You can enable it
> unconditionally.

Noted, I will have it enabled unconditionally in the next patch set.

> I will continue reviewing the patches soon.
>
> Paolo