linux-kernel - Re: [PATCH v7 00/29] KVM: arm64: Implement support for SME

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Message-ID: <861poqe417.wl-maz@kernel.org>
Date: Mon, 01 Sep 2025 13:44:04 +0100
From: Marc Zyngier <maz@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: Oliver Upton <oliver.upton@...ux.dev>,
	Joey Gouly <joey.gouly@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Will Deacon <will@...nel.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Shuah Khan <shuah@...nel.org>,
	Dave Martin <Dave.Martin@....com>,
	Fuad Tabba <tabba@...gle.com>,
	Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org,
	kvmarm@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v7 00/29] KVM: arm64: Implement support for SME

On Fri, 22 Aug 2025 02:53:29 +0100,
Mark Brown <broonie@...nel.org> wrote:
> 
> I've removed the RFC tag from this version of the series, but the items
> that I'm looking for feedback on remains the same:
> 
>  - The userspace ABI, in particular:
>   - The vector length used for the SVE registers, access to the SVE
>     registers and access to ZA and (if available) ZT0 depending on
>     the current state of PSTATE.{SM,ZA}.
>   - The use of a single finalisation for both SVE and SME.

How about Cc'ing the QEMU folks? They are the ones consuming these
APIs. Peter Maydell and Eric Auger spring to mind as potential
targets.

	M.

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