linux-kernel - Re: [RFC PATCH v1 0/2] KVM: arm64: Making BT Field in ID_AA64PFR1

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Date: Thu, 13 Jun 2024 09:42:13 +0100
From: Marc Zyngier <maz@...nel.org>
To: Shaoqin Huang <shahuang@...hat.com>
Cc: Oliver Upton <oliver.upton@...ux.dev>,
	kvmarm@...ts.linux.dev,
	Eric Auger <eauger@...hat.com>,
	Sebastian Ott <sebott@...hat.com>,
	Cornelia Huck <cohuck@...hat.com>,
	Catalin Marinas <catalin.marinas@....com>,
	James Morse
 <james.morse@....com>,
	kvm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Paolo Bonzini <pbonzini@...hat.com>,
	Shuah Khan <shuah@...nel.org>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Will Deacon <will@...nel.org>,
	Zenghui Yu <yuzenghui@...wei.com>
Subject: Re: [RFC PATCH v1 0/2] KVM: arm64: Making BT Field in ID_AA64PFR1_EL1 writable

On Thu, 13 Jun 2024 09:31:45 +0100,
Shaoqin Huang <shahuang@...hat.com> wrote:
> 
> If we don't care about the FEAT_CNTSC right now. Could I fix the
> compile issue and respin this again without the background of enabling
> migration between MtCollins and AmpereOne, and just keep the
> information of the different BT field between different machine?

As I said, I think this patch is valuable. But maybe you should
consider tackling the full register, rather than only addressing a
single field.

Thanks,

	M.

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