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Gunderson" , Yang Jihong , Yang Li , Changbin Du , Sandipan Das , Ravi Bangoria , Paran Lee , Nick Desaulniers , Huacai Chen , Yanteng Si , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Content-Type: text/plain; charset="UTF-8" In both cases the CPU map is known owned by either the caller or a PMU. Signed-off-by: Ian Rogers Reviewed-by: James Clark --- tools/perf/arch/arm64/util/header.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c index 97037499152e..a9de0b5187dd 100644 --- a/tools/perf/arch/arm64/util/header.c +++ b/tools/perf/arch/arm64/util/header.c @@ -25,8 +25,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus) if (!sysfs || sz < MIDR_SIZE) return EINVAL; - cpus = perf_cpu_map__get(cpus); - for (cpu = 0; cpu < perf_cpu_map__nr(cpus); cpu++) { char path[PATH_MAX]; FILE *file; @@ -51,7 +49,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus) break; } - perf_cpu_map__put(cpus); return ret; } -- 2.43.0.594.gd9cf4e227d-goog From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 25B5BC48298 for ; 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Fri, 02 Feb 2024 15:41:23 -0800 (PST) Date: Fri, 2 Feb 2024 15:40:55 -0800 In-Reply-To: <20240202234057.2085863-1-irogers@google.com> Message-Id: <20240202234057.2085863-7-irogers@google.com> Mime-Version: 1.0 References: <20240202234057.2085863-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.594.gd9cf4e227d-goog Subject: [PATCH v3 6/8] perf arm64 header: Remove unnecessary CPU map get and put From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , John Garry , Will Deacon , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Kan Liang , K Prateek Nayak , Sean Christopherson , Paolo Bonzini , Kajol Jain , Athira Rajeev , Andrew Jones , Alexandre Ghiti , Atish Patra , "Steinar H. Gunderson" , Yang Jihong , Yang Li , Changbin Du , Sandipan Das , Ravi Bangoria , Paran Lee , Nick Desaulniers , Huacai Chen , Yanteng Si , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240202_154124_362903_1F654618 X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In both cases the CPU map is known owned by either the caller or a PMU. Signed-off-by: Ian Rogers Reviewed-by: James Clark --- tools/perf/arch/arm64/util/header.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c index 97037499152e..a9de0b5187dd 100644 --- a/tools/perf/arch/arm64/util/header.c +++ b/tools/perf/arch/arm64/util/header.c @@ -25,8 +25,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus) if (!sysfs || sz < MIDR_SIZE) return EINVAL; - cpus = perf_cpu_map__get(cpus); - for (cpu = 0; cpu < perf_cpu_map__nr(cpus); cpu++) { char path[PATH_MAX]; FILE *file; @@ -51,7 +49,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus) break; } - perf_cpu_map__put(cpus); return ret; } -- 2.43.0.594.gd9cf4e227d-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel