From patchwork Tue Jun 13 04:24:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Neri X-Patchwork-Id: 692447 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 D8F0EC77B7A for ; Tue, 13 Jun 2023 04:25:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239483AbjFMEZO (ORCPT ); Tue, 13 Jun 2023 00:25:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239671AbjFMEYb (ORCPT ); Tue, 13 Jun 2023 00:24:31 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C5112683; Mon, 12 Jun 2023 21:22:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686630138; x=1718166138; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=LbqLOEgq0/wctp/fT6BSArteOuKzDX/IB/thMI/XJtY=; b=bgDoqt1VsD6pssc8367BYTft6Hmvz421kZqef/PieLoYxdu6RDdRFDtx GmADbcinDPVSEdHuGOb+VKRZ6I0+7MHQ4NYCOMLvLcxoM5b6Fv12Xs/U0 H69bAUw9mSZKm0oupZrHhAqCosKIgIosrdmNF50kcfnO7cfsNJysLaxyO zq/f5Zjr2X36hOxUMxT+/ulclKNUifyMO26gP1PVF9SpQsrbGfNNWB2b1 4SdgYm4u1/AO1lvbetPp+4JQRLVeW4H/4TRwUcyUBADpw61EDZ7cppntM DNsH3Pk8kIxDjairoerntOC9VvQFyiOuU1L+2nH1AGOs0EL5Oq4ZWJOCF w==; X-IronPort-AV: E=McAfee;i="6600,9927,10739"; a="358222257" X-IronPort-AV: E=Sophos;i="6.00,238,1681196400"; d="scan'208";a="358222257" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jun 2023 21:21:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10739"; a="661854991" X-IronPort-AV: E=Sophos;i="6.00,238,1681196400"; d="scan'208";a="661854991" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga003.jf.intel.com with ESMTP; 12 Jun 2023 21:21:58 -0700 From: Ricardo Neri To: "Peter Zijlstra (Intel)" , Juri Lelli , Vincent Guittot Cc: Ricardo Neri , "Ravi V. Shankar" , Ben Segall , Daniel Bristot de Oliveira , Dietmar Eggemann , Len Brown , Mel Gorman , "Rafael J. Wysocki" , Srinivas Pandruvada , Steven Rostedt , Tim Chen , Valentin Schneider , Lukasz Luba , Ionela Voinescu , Zhao Liu , "Yuan, Perry" , x86@kernel.org, "Joel Fernandes (Google)" , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Ricardo Neri , "Tim C . Chen" , Zhao Liu Subject: [PATCH v4 19/24] sched/core: Initialize helpers of task classification Date: Mon, 12 Jun 2023 21:24:17 -0700 Message-Id: <20230613042422.5344-20-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230613042422.5344-1-ricardo.neri-calderon@linux.intel.com> References: <20230613042422.5344-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Just as tasks start life unclassified, initialize the classification auxiliary variables. Cc: Ben Segall Cc: Daniel Bristot de Oliveira Cc: Dietmar Eggemann Cc: Ionela Voinescu Cc: Joel Fernandes (Google) Cc: Len Brown Cc: Lukasz Luba Cc: Mel Gorman Cc: Perry Yuan Cc: Rafael J. Wysocki Cc: Srinivas Pandruvada Cc: Steven Rostedt Cc: Tim C. Chen Cc: Valentin Schneider Cc: Zhao Liu Cc: x86@kernel.org Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ricardo Neri --- Changes since v3: * None Changes since v2: * None Changes since v1: * None --- kernel/sched/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 876396b1d077..9c28be596938 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4502,6 +4502,8 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p) p->se.vruntime = 0; #ifdef CONFIG_IPC_CLASSES p->ipcc = IPC_CLASS_UNCLASSIFIED; + p->ipcc_tmp = IPC_CLASS_UNCLASSIFIED; + p->ipcc_cntr = 0; #endif INIT_LIST_HEAD(&p->se.group_node);