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Date: Mon, 14 Jul 2025 16:11:50 +0100
From: Will Deacon <will@kernel.org>
To: Nick Chan <towinchenmi@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Janne Grunau <j@jannau.net>,
	Alyssa Rosenzweig <alyssa@rosenzweig.io>,
	Neal Gompa <neal@gompa.dev>, Sven Peter <sven@kernel.org>,
	Marc Zyngier <maz@kernel.org>, linux-arm-kernel@lists.infradead.org,
	linux-perf-users@vger.kernel.org, devicetree@vger.kernel.org,
	asahi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND v7 02/21] drivers/perf: apple_m1: Only init PMUv3
 remap when EL2 is available
Message-ID: <aHUeNpx6bsC5Gk3b@willie-the-truck>
References: <20250616-apple-cpmu-v7-0-df2778a44d5c@gmail.com>
 <20250616-apple-cpmu-v7-2-df2778a44d5c@gmail.com>
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In-Reply-To: <20250616-apple-cpmu-v7-2-df2778a44d5c@gmail.com>

On Mon, Jun 16, 2025 at 09:31:51AM +0800, Nick Chan wrote:
> Skip initialization of PMUv3 remap when EL2 is not available.
> Initialization is harmless in EL1 but it is still a weird thing to do.

Why is that weird?

Will