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Subject: Re: [PATCH 02/21] perf pmu: Add const to pmu_events_map.
To:     Ian Rogers <irogers@google.com>, Andi Kleen <ak@linux.intel.com>,
        "Jiri Olsa" <jolsa@redhat.com>, Jin Yao <yao.jin@linux.intel.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Kajol Jain <kjain@linux.ibm.com>,
        "Paul A . Clarke" <pc@us.ibm.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Riccardo Mancini <rickyman7@gmail.com>,
        Kan Liang <kan.liang@linux.intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Kees Cook <keescook@chromium.org>,
        "Sami Tolvanen" <samitolvanen@google.com>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        "Jacob Keller" <jacob.e.keller@intel.com>,
        Zhen Lei <thunder.leizhen@huawei.com>,
        ToastC <mrtoastcheng@gmail.com>,
        Joakim Zhang <qiangqing.zhang@nxp.com>,
        Felix Fietkau <nbd@nbd.name>,
        Jiapeng Chong <jiapeng.chong@linux.alibaba.com>,
        Song Liu <songliubraving@fb.com>,
        "Fabian Hemmer" <copy@copy.sh>,
        Alexander Antonov <alexander.antonov@linux.intel.com>,
        Nicholas Fraser <nfraser@codeweavers.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Denys Zagorui <dzagorui@cisco.com>,
        Wan Jiabing <wanjiabing@vivo.com>,
        Thomas Richter <tmricht@linux.ibm.com>,
        "Sumanth Korikkar" <sumanthk@linux.ibm.com>,
        Heiko Carstens <hca@linux.ibm.com>,
        Changbin Du <changbin.du@intel.com>,
        <linux-kernel@vger.kernel.org>, <linux-perf-users@vger.kernel.org>
CC:     Stephane Eranian <eranian@google.com>
References: <20211007165647.3514803-1-irogers@google.com>
 <20211007165647.3514803-3-irogers@google.com>
From:   John Garry <john.garry@huawei.com>
Message-ID: <cee9bbe0-d19a-60ab-68c9-4632bd759274@huawei.com>
Date:   Fri, 8 Oct 2021 12:01:38 +0100
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On 07/10/2021 17:56, Ian Rogers wrote:
> The pmu_events_map is generated at compile time and used for lookup. For
> testing purposes we need to swap the map being used. Having the
> pmu_events_map be non-const is misleading as it may be an out argument.
> Make it const and update uses so they work on const too.
> 
> Signed-off-by: Ian Rogers<irogers@google.com>

Reviewed-by: John Garry <john.garry@huawei.com>