linux-kernel - Re: [PATCH v12 1/5] x86: perf: Move RDPMC event flag to a common definition

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Date:   Tue, 30 Nov 2021 23:51:15 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Rob Herring <robh@...nel.org>, Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Borislav Petkov <bp@...en8.de>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org,
        Kan Liang <kan.liang@...ux.intel.com>
Subject: Re: [PATCH v12 1/5] x86: perf: Move RDPMC event flag to a common
 definition

On Wed, Oct 27 2021 at 15:16, Rob Herring wrote:
> In preparation to enable user counter access on arm64 and to move some
> of the user access handling to perf core, create a common event flag for
> user counter access and convert x86 to use it.
>
> Since the architecture specific flags start at the LSB, starting at the
> MSB for common flags.

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>

Thanks,

        tglx