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: <f71f6300-f60a-d4b4-96d8-f415357f35b9@amd.com>
Date:   Thu, 27 May 2021 07:56:37 -0500
From:   Brijesh Singh <brijesh.singh@....com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     brijesh.singh@....com, 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 5/27/21 7:23 AM, Borislav Petkov wrote:
> 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.

Okay, I will add the helper.