linux-kernel - Re: [PATCH v4 0/3] Fix broken SNP support with KVM module built-in

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Message-ID: <Z6vByjY9t8X901hQ@google.com>
Date: Tue, 11 Feb 2025 13:31:54 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Ashish Kalra <Ashish.Kalra@....com>
Cc: pbonzini@...hat.com, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, 
	dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com, 
	thomas.lendacky@....com, john.allen@....com, herbert@...dor.apana.org.au, 
	davem@...emloft.net, joro@...tes.org, suravee.suthikulpanit@....com, 
	will@...nel.org, robin.murphy@....com, michael.roth@....com, 
	dionnaglaze@...gle.com, nikunj@....com, ardb@...nel.org, 
	kevinloughlin@...gle.com, Neeraj.Upadhyay@....com, vasant.hegde@....com, 
	Stable@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-crypto@...r.kernel.org, linux-coco@...ts.linux.dev, 
	iommu@...ts.linux.dev
Subject: Re: [PATCH v4 0/3] Fix broken SNP support with KVM module built-in

On Mon, Feb 10, 2025, Ashish Kalra wrote:
> Ashish Kalra (1):
>   x86/sev: Fix broken SNP support with KVM module built-in
> 
> Sean Christopherson (2):
>   crypto: ccp: Add external API interface for PSP module initialization
>   KVM: SVM: Ensure PSP module is initialized if KVM module is built-in

Unless I've overlooked a dependency, patch 3 (IOMMU vs. RMP) is entirely
independent of patches 1 and 2 (PSP vs. KVM).  If no one objects, I'll take the
first two patches through the kvm-x86 tree, and let the tip/iommu maintainers
sort out the last patch.

>  arch/x86/include/asm/sev.h  |  2 ++
>  arch/x86/kvm/svm/sev.c      | 10 ++++++++++
>  arch/x86/virt/svm/sev.c     | 23 +++++++----------------
>  drivers/crypto/ccp/sp-dev.c | 14 ++++++++++++++
>  drivers/iommu/amd/init.c    | 34 ++++++++++++++++++++++++++++++----
>  include/linux/psp-sev.h     |  9 +++++++++
>  6 files changed, 72 insertions(+), 20 deletions(-)
> 
> -- 
> 2.34.1
>