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Date: Thu, 8 Feb 2024 12:29:13 +0000
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 10/10] KVM: arm64: Handle Apple M2 as not having
 HCR_EL2.NV1 implemented
Message-ID: <ZcTJGQmk51HgbH4p@arm.com>
References: <20240122181344.258974-1-maz@kernel.org>
 <20240122181344.258974-11-maz@kernel.org>
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In-Reply-To: <20240122181344.258974-11-maz@kernel.org>

On Mon, Jan 22, 2024 at 06:13:44PM +0000, Marc Zyngier wrote:
> Although the Apple M2 family of CPUs can have HCR_EL2.NV1 being
> set and clear, with the change in trap behaviour being OK, they
> explode spectacularily on an EL2 S1 page table using the nVHE
> format. This is no good.
> 
> Let's pretend this HW doesn't have NV1, and move along.
> 
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>