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 2AC9FC4332F for ; Tue, 22 Nov 2022 20:28:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234895AbiKVU2n (ORCPT ); Tue, 22 Nov 2022 15:28:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234470AbiKVU2P (ORCPT ); Tue, 22 Nov 2022 15:28:15 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5576A17055 for ; Tue, 22 Nov 2022 12:28:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669148895; x=1700684895; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=vXIaD/zsIWPHn5n3olE8jagfMylwb+X/0KOXnCS5E6Q=; b=ezwAMMGqxlaicR1khS+T/6eMe09a2oG4+ubhca8mbuxeAjebbBBQvccE yzAEvaI1egytNfUP8SgWJBb7VEL8ioI+Tz1KLvCUnlhHstuikCyyrzj7P ziiLnTyZ2qqndpeHd7fW90As0qVFZKL9ayyWp6s4rnQfvVsYS1GPU1ScP tMKKJds2SCMB58oLW3toHRRzpxH9YwcTbI2jGCtxXd+kKO5ZxvH/NwzdI NZgL9e+EEUdUUislcc9xH6c+EExe3QlcVv07D3Lz3K2YFBGJ0WonXyCXs 8Neit6x8iKNal3IW2uBcWWK2VMF6J5l0k5wIZVsj/BwshL8RHETA7PZA1 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10539"; a="293616511" X-IronPort-AV: E=Sophos;i="5.96,185,1665471600"; d="scan'208";a="293616511" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Nov 2022 12:28:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10539"; a="816228141" X-IronPort-AV: E=Sophos;i="5.96,185,1665471600"; d="scan'208";a="816228141" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga005.jf.intel.com with ESMTP; 22 Nov 2022 12:28:14 -0800 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: [PATCH v2 5/7] x86/sched: Remove SD_ASYM_PACKING from the "SMT" domain Date: Tue, 22 Nov 2022 12:35:30 -0800 Message-Id: <20221122203532.15013-6-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221122203532.15013-1-ricardo.neri-calderon@linux.intel.com> References: <20221122203532.15013-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no difference between any of the SMT siblings of a physical core. asym_packing load balancing is not needed among siblings. When balancing load among physical cores, the scheduler now considers the state of the siblings when checking the priority of a CPU. 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 --- Changes since v1: * Introduced this patch. --- arch/x86/kernel/smpboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 3f3ea0287f69..c3de98224cb4 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -545,7 +545,7 @@ static int x86_core_flags(void) #ifdef CONFIG_SCHED_SMT static int x86_smt_flags(void) { - return cpu_smt_flags() | x86_sched_itmt_flags(); + return cpu_smt_flags(); } #endif #ifdef CONFIG_SCHED_CLUSTER -- 2.25.1