linux-kernel - Re: [PATCH] x86/coco: Define cc_vendor without CONFIG_ARCH_HAS_CC

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Date: Sat, 3 Feb 2024 20:45:10 +0100
From: Borislav Petkov <bp@...en8.de>
To: Nathan Chancellor <nathan@...nel.org>
Cc: pbonzini@...hat.com, tglx@...utronix.de, mingo@...hat.com,
	dave.hansen@...ux.intel.com, x86@...nel.org,
	kirill.shutemov@...ux.intel.com, ndesaulniers@...gle.com,
	morbo@...gle.com, justinstitt@...gle.com,
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
	patches@...ts.linux.dev
Subject: Re: [PATCH] x86/coco: Define cc_vendor without
 CONFIG_ARCH_HAS_CC_PLATFORM

On Sat, Feb 03, 2024 at 12:35:52PM -0700, Nathan Chancellor wrote:
> Yeah, that seems like a fair plan to me. I was a little concerned about
> a future change that would require backporting to kernels that have
> da86eb961184 (i.e., 6.6) that do not have a9ef277488cf and miss this fix
> but that is a bridge that can be crossed if it ever appears, no point in
> thinking too hard about it at this point.

Yep.

> I can send a v2 on Monday, unless Paolo wants to just add
> 
> Fixes: a9ef277488cf ("x86/kvm: Fix SEV check in sev_map_percpu_data()")
> 
> directly during application. I think the rest of the patch is fine but
> if there are any other changes that should be made, I am more than happy
> do to so.

Nah, LGTM.

Acked-by: Borislav Petkov (AMD) <bp@...en8.de>

Thx.

-- 
Regards/Gruss,
    Boris.

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