linux-kernel - Re: [PATCH v2 03/11] KVM: arm64: switch HCRX

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Message-ID: <ZHnz+Tgx8uHp5qmC@arm.com>
Date:   Fri, 2 Jun 2023 14:51:53 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Kristina Martsenko <kristina.martsenko@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Mark Rutland <mark.rutland@....com>,
        Mark Brown <broonie@...nel.org>,
        Luis Machado <luis.machado@....com>,
        Vladimir Murzin <vladimir.murzin@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 03/11] KVM: arm64: switch HCRX_EL2 between host and
 guest

On Tue, May 09, 2023 at 03:22:27PM +0100, Kristina Martsenko wrote:
> Switch the HCRX_EL2 register between host and guest configurations, in
> order to enable different features in the host and guest.
> 
> Now that there are separate guest flags, we can also remove SMPME from
> the host flags, as SMPME is used for virtualizing SME priorities and has
> no use in the host.
> 
> Signed-off-by: Kristina Martsenko <kristina.martsenko@....com>

Same here, it could be good to have Marc/Oliver look at this.

-- 
Catalin