linux-kernel - Re: [PATCHv2 00/29] TDX Guest: TDX core support

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Date:   Thu, 17 Feb 2022 16:34:07 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     Sean Christopherson <seanjc@...gle.com>,
        Kai Huang <kai.huang@...el.com>, tglx@...utronix.de,
        mingo@...hat.com, dave.hansen@...el.com, luto@...nel.org,
        peterz@...radead.org, sathyanarayanan.kuppuswamy@...ux.intel.com,
        aarcange@...hat.com, ak@...ux.intel.com, dan.j.williams@...el.com,
        david@...hat.com, hpa@...or.com, jgross@...e.com,
        jmattson@...gle.com, joro@...tes.org, jpoimboe@...hat.com,
        knsathya@...nel.org, pbonzini@...hat.com, sdeep@...are.com,
        tony.luck@...el.com, vkuznets@...hat.com, wanpengli@...cent.com,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        Brijesh Singh <brijesh.singh@....com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCHv2 00/29] TDX Guest: TDX core support

On Thu, Feb 17, 2022 at 06:26:13PM +0300, Kirill A. Shutemov wrote:
> Okay, so on TDX guest side I would have
> 
> arch/x86/kernel/tdx.c => arch/x86/coco/tdx.c

Right, and to answer a previous question: if that file starts becoming
too huge and unwieldy then we should split it, by all means. What I
don't like is getting a bunch of small files with no good reason why.

> arch/x86/kernel/tdcall.S => arch/x86/coco/tdcall.S
> arch/x86/kernel/tdxcall.S => arch/x86/virt/tdxcall.S
> 
> The last one going to be used by TDX host as well to define SEMACALL
> helper.
> 
> Looks good?

Right, that looks neat.

Thx.

-- 
Regards/Gruss,
    Boris.

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