linux-kernel - Re: [RFC Part1 PATCH 05/13] X86/sev-es: move few helper functions in common file

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Message-ID: <20210402192731.GM28499@zn.tnic>
Date:   Fri, 2 Apr 2021 21:27:31 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Brijesh Singh <brijesh.singh@....com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org, kvm@...r.kernel.org,
        ak@...ux.intel.com, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>,
        "H. Peter Anvin" <hpa@...or.com>, Tony Luck <tony.luck@...el.com>,
        Dave Hansen <dave.hansen@...el.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        David Rientjes <rientjes@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [RFC Part1 PATCH 05/13] X86/sev-es: move few helper functions in
 common file

On Wed, Mar 24, 2021 at 11:44:16AM -0500, Brijesh Singh wrote:
> The sev_es_terminate() and sev_es_{wr,rd}_ghcb_msr() helper functions
> in a common file so that it can be used by both the SEV-ES and SEV-SNP.
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Joerg Roedel <jroedel@...e.de>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: Tony Luck <tony.luck@...el.com>
> Cc: Dave Hansen <dave.hansen@...el.com>
> Cc: "Peter Zijlstra (Intel)" <peterz@...radead.org>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Tom Lendacky <thomas.lendacky@....com>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Sean Christopherson <seanjc@...gle.com>
> Cc: x86@...nel.org
> Cc: kvm@...r.kernel.org
> Signed-off-by: Brijesh Singh <brijesh.singh@....com>
> ---
>  arch/x86/boot/compressed/sev-common.c | 32 +++++++++++++++++++++++++++
>  arch/x86/boot/compressed/sev-es.c     | 22 ++----------------
>  arch/x86/kernel/sev-common-shared.c   | 31 ++++++++++++++++++++++++++
>  arch/x86/kernel/sev-es-shared.c       | 21 +++---------------
>  4 files changed, 68 insertions(+), 38 deletions(-)
>  create mode 100644 arch/x86/boot/compressed/sev-common.c
>  create mode 100644 arch/x86/kernel/sev-common-shared.c

Yeah, once you merge it all into sev.c and sev-shared.c, that patch is
not needed anymore.

Thx.

-- 
Regards/Gruss,
    Boris.

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