Date: Fri, 02 Feb 2024 14:58:46 +0000
Message-ID: <86frya7w0p.wl-maz@kernel.org>
From: Marc Zyngier <maz@kernel.org>
To: Joey Gouly <joey.gouly@arm.com>
Cc: kvmarm@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Oliver Upton <oliver.upton@linux.dev>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH v2 05/25] KVM: arm64: nv: Add sanitising to VNCR-backed FGT sysregs
In-Reply-To: <20240201143806.GG2284078@e124191.cambridge.arm.com>
References: <20240130204533.693853-1-maz@kernel.org>
	<20240130204533.693853-6-maz@kernel.org>
	<20240201143806.GG2284078@e124191.cambridge.arm.com>
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On Thu, 01 Feb 2024 14:38:06 +0000,
Joey Gouly <joey.gouly@arm.com> wrote:
> 
> On Tue, Jan 30, 2024 at 08:45:12PM +0000, Marc Zyngier wrote:
> > Fine Grained Traps are controlled by a whole bunch of features.
> > Each one of them must be checked and the corresponding masks
> > computed so that we don't let the guest apply traps it shouldn't
> > be using.
> > 
> > This takes care of HFGxTR_EL2, HDFGxTR_EL2, and HAFGRTR_EL2.
> 
>  ^^ and HFGITR_EL2

The intention was that it was covered by HFGxTR, but I can now see how
that can be confusing.

Thanks,

	M.

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