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Date:   Wed, 19 Sep 2018 11:17:59 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Reinette Chatre <reinette.chatre@intel.com>
Cc:     tglx@linutronix.de, fenghua.yu@intel.com, tony.luck@intel.com,
        mingo@redhat.com, acme@kernel.org, gavin.hindman@intel.com,
        jithu.joseph@intel.com, dave.hansen@intel.com, hpa@zytor.com,
        x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 2/6] perf/core: Add helper to obtain performance
 counter index
Message-ID: <20180919091759.GZ24124@hirez.programming.kicks-ass.net>
References: <cover.1536685533.git.reinette.chatre@intel.com>
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On Tue, Sep 18, 2018 at 10:54:28AM -0700, Reinette Chatre wrote:
> It works, but checkpatch.pl does not like it very much:
> > CHECK: extern prototypes should be avoided in .h files
> > #66: FILE: arch/x86/include/asm/perf_event.h:273:
> > +extern int x86_perf_rdpmc_index(struct perf_event *event);

Checkpatch is wrong. Ignore it.