linux-kernel - Re: [PATCH v2 03/12] x86/sev: Save and print negotiated GHCB protocol version

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Message-ID: <YfET+7amPSKLnZWu@suse.de>
Date:   Wed, 26 Jan 2022 10:27:23 +0100
From:   Joerg Roedel <jroedel@...e.de>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Joerg Roedel <joro@...tes.org>, x86@...nel.org,
        Eric Biederman <ebiederm@...ssion.com>,
        kexec@...ts.infradead.org, hpa@...or.com,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Slaby <jslaby@...e.cz>,
        Dan Williams <dan.j.williams@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Juergen Gross <jgross@...e.com>,
        Kees Cook <keescook@...omium.org>,
        David Rientjes <rientjes@...gle.com>,
        Cfir Cohen <cfir@...gle.com>,
        Erdem Aktas <erdemaktas@...gle.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mike Stunes <mstunes@...are.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Martin Radev <martin.b.radev@...il.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v2 03/12] x86/sev: Save and print negotiated GHCB
 protocol version

On Wed, Nov 03, 2021 at 03:27:23PM +0100, Borislav Petkov wrote:
> On Mon, Sep 13, 2021 at 05:55:54PM +0200, Joerg Roedel wrote:
> > From: Joerg Roedel <jroedel@...e.de>
> > 
> > Save the results of the GHCB protocol negotiation into a data structure
> > and print information about versions supported and used to the kernel
> > log.
> 
> Which is useful for?

For easier debugging, I added a sentence about that to the changelog.

> > +struct sev_ghcb_protocol_info {
> 
> Too long a name - ghcb_info is perfectly fine.

Changed, thanks.

-- 
Jörg Rödel
jroedel@...e.de

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