linux-kernel - Re: [PATCH 5/8] perf: pmuv3: Change GENMASK to GENMASK

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Date:   Wed, 08 Feb 2023 11:30:16 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Zaid Al-Bassam <zalbassam@...gle.com>
Cc:     Jesus Sanchez-Palencia <jesussanp@...gle.com>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Zenghui Yu <yuzenghui@...wei.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, kvmarm@...ts.linux.dev,
        kvmarm@...ts.cs.columbia.edu
Subject: Re: [PATCH 5/8] perf: pmuv3: Change GENMASK to GENMASK_ULL

On Thu, 26 Jan 2023 20:44:41 +0000,
Zaid Al-Bassam <zalbassam@...gle.com> wrote:
> 
> GENMASK macro uses "unsigned long" (32-bit wide on arm and 64-bit
> on arm64), This causes build issues when enabling PMUv3 on arm as
> it tries to access bits > 31. This patch switches the GENMASK to
> GENMASK_ULL, which uses "unsigned long long" (64-bit on both arm
> and arm64).
> 
> Signed-off-by: Zaid Al-Bassam <zalbassam@...gle.com>

Acked-by: Marc Zyngier <maz@...nel.org>

	M.

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