linux-kernel - Re: [PATCH v1 03/11] x86/cpufeatures: Add TDX Guest CPU feature

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Message-ID: <20210610144111.lfqs43xweiaogdic@box.shutemov.name>
Date:   Thu, 10 Jun 2021 17:41:11 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Peter H Anvin <hpa@...or.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Kuppuswamy Sathyanarayanan <knsathya@...nel.org>,
        Sean Christopherson <seanjc@...gle.com>,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH v1 03/11] x86/cpufeatures: Add TDX Guest CPU feature

On Thu, Jun 10, 2021 at 04:35:48PM +0200, Borislav Petkov wrote:
> On Thu, Jun 10, 2021 at 05:29:43PM +0300, Kirill A. Shutemov wrote:
> > No, "tdx" is host feature. It is part TDX host enabling. This feature
> > indicates that kernel runs within TDX guest and named accordingly.
> 
> So there will be X86_FEATURE_TDX_GUEST and X86_FEATURE_TDX, latter to
> mean TDX host functionality?
> 
> Are those patches somewhere public for me to see?

Yes. You are on CC:

http://lore.kernel.org/r/9a74fb153bc21dc5cac46e84913b88182f216d1b.1605232743.git.isaku.yamahata@intel.com

-- 
 Kirill A. Shutemov