linux-kernel - Re: [PATCH Part1 RFC v2 16/20] x86/kernel: Validate rom memory before accessing when SEV-SNP is active

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Message-ID: <YK+PR5mf/H6TNDt7@zn.tnic>
Date:   Thu, 27 May 2021 14:23:35 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Brijesh Singh <brijesh.singh@....com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        tglx@...utronix.de, jroedel@...e.de, thomas.lendacky@....com,
        pbonzini@...hat.com, mingo@...hat.com, dave.hansen@...el.com,
        rientjes@...gle.com, seanjc@...gle.com, peterz@...radead.org,
        hpa@...or.com, tony.luck@...el.com
Subject: Re: [PATCH Part1 RFC v2 16/20] x86/kernel: Validate rom memory
 before accessing when SEV-SNP is active

On Thu, May 27, 2021 at 07:12:00AM -0500, Brijesh Singh wrote:
> Let me know if you still think that snp_prep_memory() helper is required.

Yes, I still do think that because you can put the comment and all
the manupulation of parameters in there and have a single oneliner in
probe_roms.c:

	snp_prep_memory(...);

and have the details in sev.c where they belong.

Thx.

-- 
Regards/Gruss,
    Boris.

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