linux-kernel - Re: [PATCH v4 1/2] KVM: arm64: Expose FEAT

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Message-ID: <19b5816d-2720-4535-becd-18a3468051d6@sirena.org.uk>
Date: Thu, 18 Sep 2025 22:17:46 +0100
From: Mark Brown <broonie@...nel.org>
To: Oliver Upton <oliver.upton@...ux.dev>
Cc: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Jonathan Corbet <corbet@....net>,
	Marc Zyngier <maz@...nel.org>, Joey Gouly <joey.gouly@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Shuah Khan <shuah@...nel.org>, linux-arm-kernel@...ts.infradead.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	kvmarm@...ts.linux.dev, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v4 1/2] KVM: arm64: Expose FEAT_LSFE to guests

On Thu, Sep 18, 2025 at 01:57:13PM -0700, Oliver Upton wrote:

> We also need a test in set_id_regs.c selftest for the writability of
> this new feature field.

Sure.  We seem to be missing some existing fields from that register
too.

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