linux-kernel - Re: [PATCH v3 38/75] x86/sev-es: Add SEV-ES Feature Detection

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Message-ID: <20200520083916.GB1457@zn.tnic>
Date:   Wed, 20 May 2020 10:39:16 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Joerg Roedel <joro@...tes.org>
Cc:     x86@...nel.org, hpa@...or.com, Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Hellstrom <thellstrom@...are.com>,
        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>,
        Joerg Roedel <jroedel@...e.de>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v3 38/75] x86/sev-es: Add SEV-ES Feature Detection

On Tue, Apr 28, 2020 at 05:16:48PM +0200, Joerg Roedel wrote:
> +bool sev_es_active(void)
> +{
> +	return !!(sev_status & MSR_AMD64_SEV_ES_ENABLED);
> +}
> +EXPORT_SYMBOL_GPL(sev_es_active);

I don't see this being used in modules anywhere in the patchset. Or am I
missing something?

-- 
Regards/Gruss,
    Boris.

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