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From: Oliver Upton <oliver.upton@linux.dev>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Kristina Martsenko <kristina.martsenko@arm.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Mark Brown <broonie@kernel.org>,
	Luis Machado <luis.machado@arm.com>,
	Vladimir Murzin <vladimir.murzin@arm.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 03/11] KVM: arm64: switch HCRX_EL2 between host and guest
Date: Mon, 5 Jun 2023 15:41:54 +0000	[thread overview]
Message-ID: <ZH4CQhZLdJy4wVni@linux.dev> (raw)
In-Reply-To: <ZHnz+Tgx8uHp5qmC@arm.com>

On Fri, Jun 02, 2023 at 02:51:53PM +0100, Catalin Marinas wrote:
> 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@arm.com>
> 
> Same here, it could be good to have Marc/Oliver look at this.

Acked-by: Oliver Upton <oliver.upton@linux.dev>

-- 
Thanks,
Oliver

WARNING: multiple messages have this Message-ID (diff)
From: Oliver Upton <oliver.upton@linux.dev>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Kristina Martsenko <kristina.martsenko@arm.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Mark Brown <broonie@kernel.org>,
	Luis Machado <luis.machado@arm.com>,
	Vladimir Murzin <vladimir.murzin@arm.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 03/11] KVM: arm64: switch HCRX_EL2 between host and guest
Date: Mon, 5 Jun 2023 15:41:54 +0000	[thread overview]
Message-ID: <ZH4CQhZLdJy4wVni@linux.dev> (raw)
In-Reply-To: <ZHnz+Tgx8uHp5qmC@arm.com>

On Fri, Jun 02, 2023 at 02:51:53PM +0100, Catalin Marinas wrote:
> 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@arm.com>
> 
> Same here, it could be good to have Marc/Oliver look at this.

Acked-by: Oliver Upton <oliver.upton@linux.dev>

-- 
Thanks,
Oliver

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  reply	other threads:[~2023-06-05 15:42 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-09 14:22 [PATCH v2 00/11] arm64: Support for Armv8.8 memcpy instructions in userspace Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 01/11] KVM: arm64: initialize HCRX_EL2 Kristina Martsenko
2023-06-02 13:49   ` Catalin Marinas
2023-06-02 13:49     ` Catalin Marinas
2023-06-05 15:41     ` Oliver Upton
2023-06-05 15:41       ` Oliver Upton
2023-06-03  8:39   ` Marc Zyngier
2023-06-03  8:39     ` Marc Zyngier
2023-05-09 14:22 ` [PATCH v2 02/11] arm64: cpufeature: detect FEAT_HCX Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 03/11] KVM: arm64: switch HCRX_EL2 between host and guest Kristina Martsenko
2023-06-02 13:51   ` Catalin Marinas
2023-06-02 13:51     ` Catalin Marinas
2023-06-05 15:41     ` Oliver Upton [this message]
2023-06-05 15:41       ` Oliver Upton
2023-06-03  8:40   ` Marc Zyngier
2023-06-03  8:40     ` Marc Zyngier
2023-05-09 14:22 ` [PATCH v2 04/11] arm64: mops: document boot requirements for MOPS Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 05/11] arm64: mops: don't disable host MOPS instructions from EL2 Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 06/11] KVM: arm64: hide MOPS from guests Kristina Martsenko
2023-05-25 19:26   ` Colton Lewis
2023-05-25 19:26     ` Colton Lewis
2023-05-30 16:34     ` Kristina Martsenko
2023-05-30 16:34       ` Kristina Martsenko
2023-06-03  8:42   ` Marc Zyngier
2023-06-03  8:42     ` Marc Zyngier
2023-06-05 15:45     ` Oliver Upton
2023-06-05 15:45       ` Oliver Upton
2023-05-09 14:22 ` [PATCH v2 07/11] arm64: mops: handle MOPS exceptions Kristina Martsenko
2023-05-25 19:50   ` Colton Lewis
2023-05-25 19:50     ` Colton Lewis
2023-05-30 16:36     ` Kristina Martsenko
2023-05-30 16:36       ` Kristina Martsenko
2023-06-05 11:43   ` Shaoqin Huang
2023-06-05 11:43     ` Shaoqin Huang
2023-06-05 12:04     ` Catalin Marinas
2023-06-05 12:04       ` Catalin Marinas
2023-05-09 14:22 ` [PATCH v2 08/11] arm64: mops: handle single stepping after MOPS exception Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 09/11] arm64: mops: detect and enable FEAT_MOPS Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 10/11] arm64: mops: allow disabling MOPS from the kernel command line Kristina Martsenko
2023-05-09 14:22 ` [PATCH v2 11/11] kselftest/arm64: add MOPS to hwcap test Kristina Martsenko
2023-05-12  4:02   ` Mark Brown
2023-06-05 17:46 ` [PATCH v2 00/11] arm64: Support for Armv8.8 memcpy instructions in userspace Catalin Marinas
2023-06-05 17:46   ` Catalin Marinas

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