linux-kernel - Re: [PATCH] arm64/perf: Replace '0xf' instances with ID_AA64DFR0_PMUVER_IMP

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Message-ID: <20210810133101.GD2946@willie-the-truck>
Date:   Tue, 10 Aug 2021 14:31:01 +0100
From:   Will Deacon <will@...nel.org>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Marc Zyngier <maz@...nel.org>,
        linux-perf-users@...r.kernel.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/perf: Replace '0xf' instances with
 ID_AA64DFR0_PMUVER_IMP_DEF

On Tue, Aug 10, 2021 at 10:36:38AM +0530, Anshuman Khandual wrote:
> ID_AA64DFR0_PMUVER_IMP_DEF which indicate implementation defined PMU, never
> actually gets used although there are '0xf' instances scattered all around.
> Just do the macro replacement to improve readability.
> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Marc Zyngier <maz@...nel.org>
> Cc: linux-perf-users@...r.kernel.org
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: kvmarm@...ts.cs.columbia.edu
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
> This applies on v5.14-rc5
> 
>  arch/arm64/include/asm/cpufeature.h | 2 +-
>  arch/arm64/kernel/perf_event.c      | 2 +-
>  arch/arm64/kvm/perf.c               | 2 +-
>  arch/arm64/kvm/pmu-emul.c           | 6 +++---
>  4 files changed, 6 insertions(+), 6 deletions(-)

Please can you split this with the KVM parts in their own patch?

Thanks,

Will