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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6192ECAAD3 for ; Fri, 9 Sep 2022 23:07:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231772AbiIIXHn (ORCPT ); Fri, 9 Sep 2022 19:07:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231479AbiIIXGs (ORCPT ); Fri, 9 Sep 2022 19:06:48 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F6DA115CC1 for ; Fri, 9 Sep 2022 16:06:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662764798; x=1694300798; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=w1XAa1VR0w1S3inuIuSy1IRWrQ5XJAzHeWVI9AJOufE=; b=iPnv4iSHKVIyEYXj1cc5Sr5IHl607VjA4DG1CDg4TDRFpeYxLyZDAaZY DlEsjvbnIJAHUwLbSgF/UkwyioAH+f+GQ1c0T2BsWszu3d4mOKK18VKPh VK3OjH/YznW8gtWgRb6z95SajjUt79BvE6rN0i0CspbrgR+dxvAJtI7U3 44Tlet2xYN++dpyN2K3Lz/v34xuTvFs/D3dAbtAA+YwosE9/dQWO4eZAH AOPFZcVtknOZblmPje1xzpQU9EZvV+Uo2AAe3b/itanhpzcwGlbLWOOiu DEwBvZR0YwIOPvgm85W0rWflDOP3d1dOiyM+an6pQ2gk80wmM3mrXo7w7 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10465"; a="323803590" X-IronPort-AV: E=Sophos;i="5.93,304,1654585200"; d="scan'208";a="323803590" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2022 16:06:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,304,1654585200"; d="scan'208";a="677354975" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by fmsmga008.fm.intel.com with ESMTP; 09 Sep 2022 16:06:31 -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 , x86@kernel.org, linux-kernel@vger.kernel.org, Ricardo Neri , "Tim C . Chen" Subject: [RFC PATCH 03/23] sched/core: Initialize the class of a new task Date: Fri, 9 Sep 2022 16:11:45 -0700 Message-Id: <20220909231205.14009-4-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220909231205.14009-1-ricardo.neri-calderon@linux.intel.com> References: <20220909231205.14009-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org New tasks shall start life as unclassified. They will be classified by hardware when they run. Cc: Ben Segall Cc: Daniel Bristot de Oliveira Cc: Dietmar Eggemann Cc: Len Brown Cc: Mel Gorman Cc: Rafael J. Wysocki Cc: Srinivas Pandruvada Cc: Steven Rostedt Cc: Tim C. Chen Cc: Valentin Schneider Cc: x86@kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ricardo Neri --- kernel/sched/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index ee28253c9ac0..db548c1a25ef 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4336,6 +4336,9 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p) p->se.prev_sum_exec_runtime = 0; p->se.nr_migrations = 0; p->se.vruntime = 0; +#ifdef CONFIG_SCHED_TASK_CLASSES + p->class = TASK_CLASS_UNCLASSIFIED; +#endif INIT_LIST_HEAD(&p->se.group_node); #ifdef CONFIG_FAIR_GROUP_SCHED -- 2.25.1