linux-kernel - Re: (subset) [PATCH V2 0/7] arm64/boot: Enable EL2 requirements for FEAT

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Message-Id: <173990541533.375660.5963781767181928314.b4-ty@arm.com>
Date: Tue, 18 Feb 2025 19:03:49 +0000
From: Catalin Marinas <catalin.marinas@....com>
To: linux-arm-kernel@...ts.infradead.org,
	Anshuman Khandual <anshuman.khandual@....com>
Cc: Will Deacon <will@...nel.org>,
	Marc Zyngier <maz@...nel.org>,
	Ryan Roberts <ryan.roberts@....com>,
	Mark Rutland <mark.rutland@....com>,
	Mark Brown <robh@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Jonathan Corbet <corbet@....net>,
	Eric Auger <eric.auger@...hat.com>,
	kvmarm@...ts.linux.dev,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH V2 0/7] arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9

On Mon, 03 Feb 2025 10:38:21 +0530, Anshuman Khandual wrote:
> This series adds fine grained trap control in EL2 required for FEAT_PMUv3p9
> registers like PMICNTR_EL0, PMICFILTR_EL0, and PMUACR_EL1 which are already
> being used in the kernel. This is required to prevent their EL1 access trap
> into EL2.
> 
> PMZR_EL0 register trap control i.e HDFGWTR2_EL2.nPMZR_EL0 remains unchanged
> for now as it does not get accessed in the kernel, and there is no plan for
> its access from user space.
> 
> [...]

Applied to arm64 (for-next/el2-enable-feat-pmuv3p9), thanks!

[7/7] arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9
      https://git.kernel.org/arm64/c/f134bbc054ae

-- 
Catalin