From patchwork Mon Jun 5 18:01:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 103430 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp2876134vqr; Mon, 5 Jun 2023 11:28:40 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6K7Z0+DlrwdHwmeOq5PD+vIWKjeFsMh3MMPATKlHQ2sfmetWEy1YBqzYukayr0tLUG473c X-Received: by 2002:a05:6a21:3705:b0:10e:ce12:356c with SMTP id yl5-20020a056a21370500b0010ece12356cmr2248957pzb.17.1685989719986; Mon, 05 Jun 2023 11:28:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685989719; cv=none; d=google.com; s=arc-20160816; b=dBllqv9EeySY2gYZgtMdLFn4J71WqcBNUMs/0E1ukzUjguQGI++i+tol1Upu2+GZOV dvO0+uI9czKe1tx2ZuCfVXZf9SsgvymVkmCP8ckQf6BQJXM1NmGkDk9HH/JDwHOZQ85g rYTP/YKofFnWF7U5bsoRe4FAcJ+HpMeIMcmwKvBBiS6NsQ5dMwa2UGYPtJOpDNTgsDCA FmmKpQhd9qPOOIP7jIMRA1xgJMrlQ8G/WeOOybDuzp2Q/ChAdyezABu8YZkfgEgKLSbD EFWeg9sIGfYWHPtb5Zmuljg1nkSdRL8/FzMiuTZEPUlVJEgz6sbrPQWXcItWmGLdMUsc scwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=BgA+kVcVkVKzO718h4f1Lpy2XcgF6QzinBo5UZXYTzU=; b=1J2j6KVVzbPfP5Mk7YV02R+C7gM7J9lTfPwBw820CUo4w5MDlKpGD57opc70Ly1ARK nh5pk3s8Bf2r57jHFUnOMw+h8jrMAvYXIUyJwGWTgWRpGmgwffklQLUq3VSCG7hO/2vv 1k6OV50JOyltEG7b/qpeeiR36/vJAzm2rjUHQW+sP0KWmOHrWiddK/E97hvKeyeI+FlX rR/pCZwbcD7d2ArylQBAX1f/L5bDH85dCYtLhy7SrSYnjLgPPfwDqXAgqJt+sU1BsOrP nGH5ZOgqD715c5lSmweVx4yyLHptaBE4swu+egrB8xEb690ZOEbxKkgaS6e33cLP6UlJ N4ig== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=fiDJOz1F; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i15-20020a056a00004f00b0064d337029ecsi5678402pfk.200.2023.06.05.11.28.27; Mon, 05 Jun 2023 11:28:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=fiDJOz1F; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234966AbjFESCb (ORCPT + 99 others); Mon, 5 Jun 2023 14:02:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233449AbjFESCU (ORCPT ); Mon, 5 Jun 2023 14:02:20 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A0ACD2; Mon, 5 Jun 2023 11:02:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1685988140; x=1717524140; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8fEVbocJK76OsCYtzLBWGVMQr0k8AvV/EpnfvvAei/8=; b=fiDJOz1FnnWte9MAq/h2k6pZR7oU3vCYpew4zFRta0XmygQWdFN24ggG D8UVOexMGdw/0dN7soz/E/dYqXGbK94VFw2Axub+340OTqKNNUiZ9Xkee +NSqDmAgWSbbo9cUaMgrHivw/l1eCU5EFUDr7iCOi162FrGmXcLqx8fBw W+eWx5XgSo5CuPUxZ0CnAaH/xTbKPaub82AtkMGjHSI7nNY5BSUW2iDdu mbEUtsMfpv47yRgVGZteNd+sYq0v8+GIG7SIYGNhP9cWJP0Vt6ET2Rt8v VhWDlXqkjbTgdsXcUj5ihoSe0UAaxxlXo8hyEGX1ml3I1jhxPASmvKQWf Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="442814885" X-IronPort-AV: E=Sophos;i="6.00,218,1681196400"; d="scan'208";a="442814885" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2023 11:02:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="821274024" X-IronPort-AV: E=Sophos;i="6.00,218,1681196400"; d="scan'208";a="821274024" Received: from gfittedx-mobl.ger.corp.intel.com (HELO ijarvine-MOBL2.ger.corp.intel.com) ([10.252.47.115]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2023 11:02:05 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= To: linux-kselftest@vger.kernel.org, Reinette Chatre , Shuah Khan , Shaopeng Tan , Fenghua Yu , Sai Praneeth Prakhya , Babu Moger , linux-kernel@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= Subject: [PATCH v3 03/19] selftests/resctrl: Unmount resctrl FS if child fails to run benchmark Date: Mon, 5 Jun 2023 21:01:29 +0300 Message-Id: <20230605180145.112924-4-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230605180145.112924-1-ilpo.jarvinen@linux.intel.com> References: <20230605180145.112924-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767888356492000899?= X-GMAIL-MSGID: =?utf-8?q?1767888356492000899?= A child calls PARENT_EXIT() when it fails to run a benchmark to kill the parent process. PARENT_EXIT() lacks unmount for the resctrl FS and the parent won't be there to unmount it either after it gets killed. Add the resctrl FS unmount also to PARENT_EXIT(). Fixes: 591a6e8588fc ("selftests/resctrl: Add basic resctrl file system operations and data") Signed-off-by: Ilpo Järvinen --- tools/testing/selftests/resctrl/resctrl.h | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h index 87e39456dee0..f455f0b7e314 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -43,6 +43,7 @@ do { \ perror(err_msg); \ kill(ppid, SIGKILL); \ + umount_resctrlfs(); \ exit(EXIT_FAILURE); \ } while (0)