linux-kernel - Re: [PATCH v12 00/46] arm64: Support for Arm CCA in KVM

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Message-ID: <86y0n1ma2q.wl-maz@kernel.org>
Date: Wed, 17 Dec 2025 14:55:57 +0000
From: Marc Zyngier <maz@...nel.org>
To: Steven Price <steven.price@....com>
Cc: kvm@...r.kernel.org,
	kvmarm@...ts.linux.dev,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	James Morse <james.morse@....com>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Joey Gouly <joey.gouly@....com>,
	Alexandru Elisei <alexandru.elisei@....com>,
	Christoffer Dall <christoffer.dall@....com>,
	Fuad Tabba <tabba@...gle.com>,
	linux-coco@...ts.linux.dev,
	Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>,
	Gavin Shan <gshan@...hat.com>,
	Shanker Donthineni <sdonthineni@...dia.com>,
	Alper Gun <alpergun@...gle.com>,
	"Aneesh Kumar K . V" <aneesh.kumar@...nel.org>,
	Emi Kisanuki <fj0570is@...itsu.com>,
	Vishal Annapurve <vannapurve@...gle.com>
Subject: Re: [PATCH v12 00/46] arm64: Support for Arm CCA in KVM

On Wed, 17 Dec 2025 10:10:37 +0000,
Steven Price <steven.price@....com> wrote:
> 
> This series adds support for running protected VMs using KVM under the
> Arm Confidential Compute Architecture (CCA). I've changed the uAPI
> following feedback from Marc.
> 
> The main change is that rather than providing a multiplex CAP and
> expecting the VMM to drive the different stages of realm construction,
> there's now just a minimal interface and KVM performs the necessary
> operations when needed.

What are the relevant patches? I'd rather not look at the non-2.0
patches at all, given that they are pretty meaningless for KVM.

	M.

-- 
Without deviation from the norm, progress is not possible.