From: Catalin Marinas <catalin.marinas@arm.com>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Ard Biesheuvel <ardb@kernel.org>,
James Morse <james.morse@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v4 06/10] arm64: cpufeature: Detect HCR_EL2.NV1 being RES0
Date: Thu, 8 Feb 2024 12:26:23 +0000 [thread overview]
Message-ID: <ZcTIb66ALlbskvTC@arm.com> (raw)
In-Reply-To: <20240122181344.258974-7-maz@kernel.org>
On Mon, Jan 22, 2024 at 06:13:40PM +0000, Marc Zyngier wrote:
> A variant of FEAT_E2H0 not being implemented exists in the form of
> HCR_EL2.E2H being RES1 *and* HCR_EL2.NV1 being RES0 (indicating that
> only VHE is supported on the host and nested guests).
>
> Add the necessary infrastructure for this new CPU capability.
>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
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next prev parent reply other threads:[~2024-02-08 12:26 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-22 18:13 [PATCH v4 00/10] arm64: Add support for FEAT_E2H0, or lack thereof Marc Zyngier
2024-01-22 18:13 ` [PATCH v4 01/10] arm64: Add macro to compose a sysreg field value Marc Zyngier
2024-02-08 11:40 ` Catalin Marinas
2024-01-22 18:13 ` [PATCH v4 02/10] arm64: cpufeatures: Correctly handle signed values Marc Zyngier
2024-02-08 12:13 ` Catalin Marinas
2024-01-22 18:13 ` [PATCH v4 03/10] arm64: cpufeature: Correctly display signed override values Marc Zyngier
2024-02-08 12:14 ` Catalin Marinas
2024-01-22 18:13 ` [PATCH v4 04/10] arm64: sysreg: Add layout for ID_AA64MMFR4_EL1 Marc Zyngier
2024-02-08 12:25 ` Catalin Marinas
2024-02-08 13:06 ` Miguel Luis
2024-02-08 13:15 ` Marc Zyngier
2024-01-22 18:13 ` [PATCH v4 05/10] arm64: cpufeature: Add ID_AA64MMFR4_EL1 handling Marc Zyngier
2024-02-08 12:25 ` Catalin Marinas
2024-01-22 18:13 ` [PATCH v4 06/10] arm64: cpufeature: Detect HCR_EL2.NV1 being RES0 Marc Zyngier
2024-02-08 12:26 ` Catalin Marinas [this message]
2024-02-08 12:27 ` Catalin Marinas
2024-02-12 12:48 ` Marek Szyprowski
2024-02-12 14:00 ` Marc Zyngier
2024-02-12 14:21 ` Marek Szyprowski
2024-01-22 18:13 ` [PATCH v4 07/10] arm64: Treat HCR_EL2.E2H as RES1 when ID_AA64MMFR4_EL1.E2H0 is negative Marc Zyngier
2024-02-08 12:27 ` Catalin Marinas
2024-01-22 18:13 ` [PATCH v4 08/10] KVM: arm64: Expose ID_AA64MMFR4_EL1 to guests Marc Zyngier
2024-01-22 18:13 ` [PATCH v4 09/10] KVM: arm64: Force guest's HCR_EL2.E2H RES1 when NV1 is not implemented Marc Zyngier
2024-01-22 18:13 ` [PATCH v4 10/10] KVM: arm64: Handle Apple M2 as not having HCR_EL2.NV1 implemented Marc Zyngier
2024-02-08 12:29 ` Catalin Marinas
2024-02-02 19:03 ` [PATCH v4 00/10] arm64: Add support for FEAT_E2H0, or lack thereof Oliver Upton
2024-02-08 12:30 ` Catalin Marinas
2024-02-08 15:24 ` Oliver Upton
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