linux-kernel - Re: [PATCH fixes v2] MIPS: perf: Fix build with CONFIG_CPU

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Date:   Thu, 9 May 2019 23:52:48 +0000
From:   Paul Burton <paul.burton@...s.com>
To:     Florian Fainelli <f.fainelli@...il.com>
CC:     "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        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>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <pburton@...ecomp.com>,
        James Hogan <jhogan@...nel.org>,
        "open list:PERFORMANCE EVENTS SUBSYSTEM" 
        <linux-kernel@...r.kernel.org>,
        "open list:MIPS" <linux-mips@...r.kernel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Subject: Re: [PATCH fixes v2] MIPS: perf: Fix build with CONFIG_CPU_BMIPS5000
  enabled

Hello,

Florian Fainelli wrote:
> arch/mips/kernel/perf_event_mipsxx.c: In function 'mipsxx_pmu_enable_event':
> arch/mips/kernel/perf_event_mipsxx.c:326:21: error: unused variable 'event' [-Werror=unused-variable]
> struct perf_event *event = container_of(evt, struct perf_event, hw);
> ^~~~~
> 
> Fix this by making use of IS_ENABLED() to simplify the code and avoid
> unnecessary ifdefery.
> 
> Fixes: 84002c88599d ("MIPS: perf: Fix perf with MT counting other threads")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied to mips-next.

Thanks,
    Paul

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