linux-kernel - Re: [PATCH v14 00/22] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support

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Message-ID: <CABgObfa6vD+DQdmZoq0RYjwQqsYxsCvTS+vvANp5OXXOwS+PPw@mail.gmail.com>
Date: Wed, 24 Apr 2024 18:51:56 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: Michael Roth <michael.roth@....com>
Cc: kvm@...r.kernel.org, linux-coco@...ts.linux.dev, linux-mm@...ck.org, 
	linux-crypto@...r.kernel.org, x86@...nel.org, linux-kernel@...r.kernel.org, 
	tglx@...utronix.de, mingo@...hat.com, jroedel@...e.de, 
	thomas.lendacky@....com, hpa@...or.com, ardb@...nel.org, seanjc@...gle.com, 
	vkuznets@...hat.com, jmattson@...gle.com, luto@...nel.org, 
	dave.hansen@...ux.intel.com, slp@...hat.com, pgonda@...gle.com, 
	peterz@...radead.org, srinivas.pandruvada@...ux.intel.com, 
	rientjes@...gle.com, dovmurik@...ux.ibm.com, tobin@....com, bp@...en8.de, 
	vbabka@...e.cz, kirill@...temov.name, ak@...ux.intel.com, tony.luck@...el.com, 
	sathyanarayanan.kuppuswamy@...ux.intel.com, alpergun@...gle.com, 
	jarkko@...nel.org, ashish.kalra@....com, nikunj.dadhania@....com, 
	pankaj.gupta@....com, liam.merwick@...cle.com
Subject: Re: [PATCH v14 00/22] Add AMD Secure Nested Paging (SEV-SNP)
 Hypervisor Support

On Tue, Apr 23, 2024 at 6:32 PM Michael Roth <michael.roth@....com> wrote:
> I just sent an additional set of fixups, patches 23-29. These add some
> additional input validation on GHCB requests, mainly ensuring that
> SNP-specific requests from non-SNP guests result in an error as soon as
> they are received rather than reaching an error state indirectly further
> into the call stack.
>
> It's a small diff (included below), but a bit of a pain to squash in
> patch by patch due to close proximity with each other, so I've pushed an
> updated branch here that already has them squashed in:
>
>   https://github.com/amdese/linux/commits/snp-host-v14b

Thanks, I pushed that to kvm-coco-queue. There was a missing signoff -
I just added it since you actually added it in the past[1] and the
patch only differs in context.

Now off to getting those mm acks.

Paolo

[1] https://patchew.org/linux/20231230172351.574091-1-michael.roth@amd.com/20231230172351.574091-33-michael.roth@amd.com/