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Message-ID: <Yg0he8S8Z2vNikQz@google.com>
Date: Wed, 16 Feb 2022 16:08:27 +0000
From: Sean Christopherson <seanjc@...gle.com>
To: Kai Huang <kai.huang@...el.com>
Cc: Borislav Petkov <bp@...en8.de>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.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 10, 2022, Kai Huang wrote:
>
> > > No objection to omitting "coco". Though what about using "vmx" and "svm" instead
> > > of "tdx" and "sev".
> >
> > I'm not dead-set on this but ...
> >
> > > We lose the more explicit tie to coco, but it would mirror the
> > > sub-directories in arch/x86/kvm/
> >
> > ... having them too close in naming to the non-coco stuff, might cause
> > confusion when looking at:
> >
> > arch/x86/kvm/vmx/vmx.c
> >
> > vs
> >
> > arch/x86/virt/vmx/vmx.c
> >
> > Instead of having
> >
> > arch/x86/kvm/vmx/vmx.c
> >
> > and
> >
> > arch/x86/virt/tdx/vmx.c
> >
> > That second version differs just the right amount. :-)
>
> Having vmx.c under tdx/ directory looks a little bit strange.
Yeah, it's inverted. TDX is a built on top of VMX. If/when we end up with stuff
that is relevant to VMX but not TDX, then we'll be referencing tdx/ for things
that that don't care at all about TDX.
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