linux-kernel - Re: [PATCH v7 01/72] KVM: SVM: nested: Don't allocate VMCB structures on stack

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Message-ID: <20201106003932.GQ25636@zn.tnic>
Date:   Fri, 6 Nov 2020 01:39:32 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Michael Roth <michael.roth@....com>
Cc:     Joerg Roedel <joro@...tes.org>, x86@...nel.org,
        Juergen Gross <jgross@...e.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Joerg Roedel <jroedel@...e.de>,
        Mike Stunes <mstunes@...are.com>,
        Kees Cook <keescook@...omium.org>, kvm@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Cfir Cohen <cfir@...gle.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kernel@...r.kernel.org,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        virtualization@...ts.linux-foundation.org,
        Martin Radev <martin.b.radev@...il.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Andy Lutomirski <luto@...nel.org>, hpa@...or.com,
        Erdem Aktas <erdemaktas@...gle.com>,
        David Rientjes <rientjes@...gle.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Jiri Slaby <jslaby@...e.cz>
Subject: Re: [PATCH v7 01/72] KVM: SVM: nested: Don't allocate VMCB
 structures on stack

On Thu, Nov 05, 2020 at 06:31:53PM -0600, Michael Roth wrote:
> I can confirm that patch fixes the issue. It is indeed a 5.9.1 tree, but
> looks like the SEV-ES patches didn't go in until v5.10-rc1

Yes, they went into 5.10-rc1 during the merge window.

> (this tree had a backport of them), so stable trees shouldn't be
> affected.

Ah, ok, that makes sense.

Thanks for checking!

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette