linux-kernel - [PATCH 1/2] perf tools: ARM SPE code cleanup

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Message-ID: <20200623123141.27747-2-liwei391@huawei.com>
Date:   Tue, 23 Jun 2020 20:31:40 +0800
From:   Wei Li <liwei391@...wei.com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        "Arnaldo Carvalho de Melo" <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Kim Phillips <kim.phillips@....com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>
Subject: [PATCH 1/2] perf tools: ARM SPE code cleanup

Remove the useless check code to make it clear.

Signed-off-by: Wei Li <liwei391@...wei.com>
---
 tools/perf/arch/arm/util/auxtrace.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c
index 0a6e75b8777a..62b7b03d691a 100644
--- a/tools/perf/arch/arm/util/auxtrace.c
+++ b/tools/perf/arch/arm/util/auxtrace.c
@@ -57,7 +57,7 @@ struct auxtrace_record
 	struct evsel *evsel;
 	bool found_etm = false;
 	bool found_spe = false;
-	static struct perf_pmu **arm_spe_pmus = NULL;
+	static struct perf_pmu **arm_spe_pmus;
 	static int nr_spes = 0;
 	int i = 0;
 
@@ -65,9 +65,7 @@ struct auxtrace_record
 		return NULL;
 
 	cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);
-
-	if (!arm_spe_pmus)
-		arm_spe_pmus = find_all_arm_spe_pmus(&nr_spes, err);
+	arm_spe_pmus = find_all_arm_spe_pmus(&nr_spes, err);
 
 	evlist__for_each_entry(evlist, evsel) {
 		if (cs_etm_pmu &&
-- 
2.17.1