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 X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FC01C43381 for ; Fri, 22 Mar 2019 12:51:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F96E2082C for ; Fri, 22 Mar 2019 12:51:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553259077; bh=HDHdPlaLshy97OU/tJGbqKf+6o7bJhnFNnYfAAccnWg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xd3yZP+jRpxNqdviaX8/cYOge4R+BtOQ87uGP+LxvYGaujfmu8h/B7HJ1e+UQAZIU Mnp7SDsD4Ot6uxi5fe2TA7AOwoF/zPO3UZxUOdeyxS/E2g3cIWELPORrwacuKldmhP VSYSi4tUToYQz4PcGb8tG6gNCWpSz5f4fb14mQHA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732889AbfCVLyh (ORCPT ); Fri, 22 Mar 2019 07:54:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:59128 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733204AbfCVLyg (ORCPT ); Fri, 22 Mar 2019 07:54:36 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE9B02082C; Fri, 22 Mar 2019 11:54:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553255675; bh=HDHdPlaLshy97OU/tJGbqKf+6o7bJhnFNnYfAAccnWg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uSCTz0QbnVor/PL1rxa5Q4y+GZCck+of7UA8VreZ6jwc8Cu8Jh0oqGh5ZDclCkMXl +OI99PARuQF1o+xoHrUIdA4RV5q//U59Z3Y0GhBYtfTFKjXd9gu8tlNgKDK95Jmh1T YQngA4YgpMHKJwPjGzTNpleUl17bqiOKn4u3hxw4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adrian Hunter , Jiri Olsa , Arnaldo Carvalho de Melo Subject: [PATCH 4.14 164/183] perf auxtrace: Define auxtrace record alignment Date: Fri, 22 Mar 2019 12:16:32 +0100 Message-Id: <20190322111253.787652738@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190322111241.819468003@linuxfoundation.org> References: <20190322111241.819468003@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Adrian Hunter commit c3fcadf0bb765faf45d6d562246e1d08885466df upstream. Define auxtrace record alignment so that it can be referenced elsewhere. Note this is preparation for patch "perf intel-pt: Fix overlap calculation for padding" Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20190206103947.15750-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- tools/perf/util/auxtrace.c | 4 ++-- tools/perf/util/auxtrace.h | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1264,9 +1264,9 @@ static int __auxtrace_mmap__read(struct } /* padding must be written by fn() e.g. record__process_auxtrace() */ - padding = size & 7; + padding = size & (PERF_AUXTRACE_RECORD_ALIGNMENT - 1); if (padding) - padding = 8 - padding; + padding = PERF_AUXTRACE_RECORD_ALIGNMENT - padding; memset(&ev, 0, sizeof(ev)); ev.auxtrace.header.type = PERF_RECORD_AUXTRACE; --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -38,6 +38,9 @@ struct record_opts; struct auxtrace_info_event; struct events_stats; +/* Auxtrace records must have the same alignment as perf event records */ +#define PERF_AUXTRACE_RECORD_ALIGNMENT 8 + enum auxtrace_type { PERF_AUXTRACE_UNKNOWN, PERF_AUXTRACE_INTEL_PT,