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Message-ID: <ZvUMZFdY_j3pUisX@linux.dev>
Date: Thu, 26 Sep 2024 09:25:24 +0200
From: Oliver Upton <oliver.upton@...ux.dev>
To: Shaoqin Huang <shahuang@...hat.com>
Cc: Marc Zyngier <maz@...nel.org>, kvmarm@...ts.linux.dev,
	Eric Auger <eauger@...hat.com>, Sebastian Ott <sebott@...hat.com>,
	Cornelia Huck <cohuck@...hat.com>,
	James Morse <james.morse@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Paolo Bonzini <pbonzini@...hat.com>,
	Shuah Khan <shuah@...nel.org>, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [RFC PATCH v1 2/2] KVM: arm64: Allow the RAS feature bit in
 ID_AA64PFR0_EL1 writable from userspace

On Wed, Sep 25, 2024 at 11:22:40PM -0400, Shaoqin Huang wrote:
> Currently FEAT_RAS is not writable, this makes migration fail between
> systems where this feature differ. Allow the FEAT_RAS writable in
> ID_AA64PFR0_EL1 to let the migration possible when the RAS is differ
> between two machines.
> 
> Also update the kselftest to test the RAS field.

Please do kernel + selftests changes in separate patches.

-- 
Thanks,
Oliver

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