From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933287AbeAXLUy (ORCPT ); Wed, 24 Jan 2018 06:20:54 -0500 Received: from terminus.zytor.com ([65.50.211.136]:34903 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933104AbeAXLUu (ORCPT ); Wed, 24 Jan 2018 06:20:50 -0500 Date: Wed, 24 Jan 2018 03:19:42 -0800 From: tip-bot for Adrian Hunter Message-ID: Cc: mingo@kernel.org, adrian.hunter@intel.com, acme@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, jolsa@redhat.com Reply-To: mingo@kernel.org, adrian.hunter@intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, acme@redhat.com, jolsa@redhat.com, tglx@linutronix.de In-Reply-To: <1516108492-21401-3-git-send-email-adrian.hunter@intel.com> References: <1516108492-21401-3-git-send-email-adrian.hunter@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf evsel: Ensure reserved member of PERF_SAMPLE_CPU is zero in perf_event__synthesize_sample() Git-Commit-ID: 59a87fdad1467d228acc5cb1303b0b568a9e86a8 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 59a87fdad1467d228acc5cb1303b0b568a9e86a8 Gitweb: https://git.kernel.org/tip/59a87fdad1467d228acc5cb1303b0b568a9e86a8 Author: Adrian Hunter AuthorDate: Tue, 16 Jan 2018 15:14:51 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 18 Jan 2018 09:00:45 -0300 perf evsel: Ensure reserved member of PERF_SAMPLE_CPU is zero in perf_event__synthesize_sample() PERF_SAMPLE_CPU contains the cpu number in the first 4 bytes and the second 4 bytes are reserved. Ensure the reserved bytes are zero in perf_event__synthesize_sample(). Signed-off-by: Adrian Hunter Acked-by: Jiri Olsa Link: http://lkml.kernel.org/r/1516108492-21401-3-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evsel.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 85eb84d..4403267 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2533,6 +2533,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, if (type & PERF_SAMPLE_CPU) { u.val32[0] = sample->cpu; + u.val32[1] = 0; if (swapped) { /* * Inverse of what is done in perf_evsel__parse_sample