From nobody Mon Dec 29 11:19:17 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E11BC4167B for ; Wed, 29 Nov 2023 06:03:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234912AbjK2GDB (ORCPT ); Wed, 29 Nov 2023 01:03:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377035AbjK2GCg (ORCPT ); Wed, 29 Nov 2023 01:02:36 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0406E1BCC for ; Tue, 28 Nov 2023 22:02:42 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d9cb79eb417so6649487276.2 for ; Tue, 28 Nov 2023 22:02:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1701237761; x=1701842561; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=0DVMbIRV+NQmnATStJOD8jb70rfi854C2wLg/boNolQ=; b=a4zY/nC+0QtkxYXQUOj8uwuD+fonU+1WoTol7K1a0yha0+XUCYnbvn4CPLXb5tK3aH vJt/cKfnVcxmP24DjxQnvxwPtO54xENEs+k/qZd9ROc2TF5IAIZsRGPE6rqvypeJEiG1 /HC/F5uEqO9iUVYIaSciOoD6+UV7MLN+sOphw68wcXtTHGYqLcijMEeWKxuAvNeaXwGN QBiCewTJkOcL76fD7sQPmI4XVSgN/ON246iDDGrjvUROdQvoI9W7COlfzGYRnikJSRDU iriSFPigvOQ04ojlxspTj8iOOcmdZHREqd64sZtPw1D/xJXdMW8dhTEOr8jdHR2n5+Nl YqOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701237761; x=1701842561; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=0DVMbIRV+NQmnATStJOD8jb70rfi854C2wLg/boNolQ=; b=IzfmF9QyBZj03vqXwPfUDG1KtbVFqEHzYbS730USS1TCqmINx85h/lUsDNPZ4xrLon /zEpNsEI2zDcXfWQ2wPLueZUcXuhqfNFk77HLGI6RQ54RHQ6S5rZEQrEV1kEPmD08+R8 np0hKzyUhOuKKSAzi0oC9ELPvSDC057vX74GEaQV0RrxeOYElvqlMBSQmkHVNxQOt4SH oohs5oKHJUki3NLu7fMMTumpRXashAYUgz+3kCGE6kSYE/6AFXpgUCVNDJQ4/YhN7qV9 5IMeLcK/ULoN15bVmakzpTh79cLCp+NIvUHyTV0q4IKHIcMLkif50Y9QB/XIgtSaJO4p UMFA== X-Gm-Message-State: AOJu0Yy+xC9xZvX621lRpHsq73s5JE14MUV3AREW1bedFYgk7yEaI/B0 sifCRwxoIO30LcSjiCwgdrR6oaGy50qt X-Google-Smtp-Source: AGHT+IHJMRqYtdqiq8wS3BvtGG3WjhuhilD2hoypqMhKE4FVBpXobXp8Db6UyUfeaAWJBMxnRYUQrmZznlQj X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:763b:80fa:23ca:96f8]) (user=irogers job=sendgmr) by 2002:a25:e4c5:0:b0:d9c:801c:4230 with SMTP id b188-20020a25e4c5000000b00d9c801c4230mr494820ybh.5.1701237761085; Tue, 28 Nov 2023 22:02:41 -0800 (PST) Date: Tue, 28 Nov 2023 22:02:08 -0800 In-Reply-To: <20231129060211.1890454-1-irogers@google.com> Message-Id: <20231129060211.1890454-12-irogers@google.com> Mime-Version: 1.0 References: <20231129060211.1890454-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.rc1.413.gea7ed67945-goog Subject: [PATCH v1 11/14] 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable 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/ut= il/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_c= pu_map *cpus) if (!sysfs || sz < MIDR_SIZE) return EINVAL; =20 - cpus =3D perf_cpu_map__get(cpus); - for (cpu =3D 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_c= pu_map *cpus) break; } =20 - perf_cpu_map__put(cpus); return ret; } =20 --=20 2.43.0.rc1.413.gea7ed67945-goog