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Date: Wed, 31 Jan 2024 20:22:34 -0800
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Subject: [PATCH v2 6/8] perf arm64 header: Remove unnecessary CPU map get and put
From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, 
	Arnaldo Carvalho de Melo <acme@kernel.org>, Mark Rutland <mark.rutland@arm.com>, 
	Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, 
	Namhyung Kim <namhyung@kernel.org>, Ian Rogers <irogers@google.com>, 
	Adrian Hunter <adrian.hunter@intel.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, 
	Mike Leach <mike.leach@linaro.org>, James Clark <james.clark@arm.com>, 
	Leo Yan <leo.yan@linaro.org>, John Garry <john.g.garry@oracle.com>, 
	Will Deacon <will@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Darren Hart <dvhart@infradead.org>, 
	Davidlohr Bueso <dave@stgolabs.net>, 
	"=?UTF-8?q?Andr=C3=A9=20Almeida?=" <andrealmeid@igalia.com>, Kan Liang <kan.liang@linux.intel.com>, 
	K Prateek Nayak <kprateek.nayak@amd.com>, Sean Christopherson <seanjc@google.com>, 
	Paolo Bonzini <pbonzini@redhat.com>, Kajol Jain <kjain@linux.ibm.com>, 
	Athira Rajeev <atrajeev@linux.vnet.ibm.com>, Andrew Jones <ajones@ventanamicro.com>, 
	Alexandre Ghiti <alexghiti@rivosinc.com>, Atish Patra <atishp@rivosinc.com>, 
	"Steinar H. Gunderson" <sesse@google.com>, Yang Jihong <yangjihong1@huawei.com>, 
	Yang Li <yang.lee@linux.alibaba.com>, Changbin Du <changbin.du@huawei.com>, 
	Sandipan Das <sandipan.das@amd.com>, Ravi Bangoria <ravi.bangoria@amd.com>, 
	Paran Lee <p4ranlee@gmail.com>, Nick Desaulniers <ndesaulniers@google.com>, 
	Huacai Chen <chenhuacai@kernel.org>, Yanteng Si <siyanteng@loongson.cn>, 
	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 <irogers@google.com>
Reviewed-by: James Clark <james.clark@arm.com>
---
 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;
 }
 
-- 
2.43.0.429.g432eaa2c6b-goog