linux-kernel - Re: [PATCH v3 06/12] arm: perf/core: use PERF_PMU_CAP_NO

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Message-ID: <20181209124358.GC22960@dragon>
Date:   Sun, 9 Dec 2018 20:43:59 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Andrew Murray <andrew.murray@....com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        Russell King <linux@...linux.org.uk>, suzuki.poulose@....com,
        robin.murphy@....com, Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linuxppc-dev@...ts.ozlabs.org, x86@...nel.org
Subject: Re: [PATCH v3 06/12] arm: perf/core: use PERF_PMU_CAP_NO_EXCLUDE for
 exclude incapable PMUs

On Thu, Dec 06, 2018 at 04:47:23PM +0000, Andrew Murray wrote:
> For drivers that do not support context exclusion let's advertise the
> PERF_PMU_CAP_NO_EXCLUDE capability. This ensures that perf will
> prevent us from handling events where any exclusion flags are set.
> Let's also remove the now unnecessary check for exclusion flags.
> 
> Signed-off-by: Andrew Murray <andrew.murray@....com>
> ---
>  arch/arm/mach-imx/mmdc.c     | 9 ++-------

For imx mmdc changes:

Acked-by: Shawn Guo <shawnguo@...nel.org>