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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 B8A52C433E5 for ; Mon, 17 Aug 2020 11:32:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92FBA207DA for ; Mon, 17 Aug 2020 11:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728525AbgHQLbv (ORCPT ); Mon, 17 Aug 2020 07:31:51 -0400 Received: from foss.arm.com ([217.140.110.172]:53630 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728355AbgHQLam (ORCPT ); Mon, 17 Aug 2020 07:30:42 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 34AEE1063; Mon, 17 Aug 2020 04:30:35 -0700 (PDT) Received: from e113632-lin.cambridge.arm.com (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id EBE7A3F66B; Mon, 17 Aug 2020 04:30:33 -0700 (PDT) From: Valentin Schneider To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: mingo@kernel.org, peterz@infradead.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, morten.rasmussen@arm.com, Quentin Perret Subject: [PATCH v6 15/17] sched/topology: Mark SD_OVERLAP as SDF_NEEDS_GROUPS Date: Mon, 17 Aug 2020 12:30:01 +0100 Message-Id: <20200817113003.20802-16-valentin.schneider@arm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200817113003.20802-1-valentin.schneider@arm.com> References: <20200817113003.20802-1-valentin.schneider@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A sched_domain can only have overlapping sched_groups if it has more than one group. Signed-off-by: Valentin Schneider --- include/linux/sched/sd_flags.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h index f855f80f0052..021b909d3941 100644 --- a/include/linux/sched/sd_flags.h +++ b/include/linux/sched/sd_flags.h @@ -143,8 +143,9 @@ SD_FLAG(SD_PREFER_SIBLING, SDF_NEEDS_GROUPS) * sched_groups of this level overlap * * SHARED_PARENT: Set for all NUMA levels above NODE. + * NEEDS_GROUPS: Overlaps can only exist with more than one group. */ -SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT) +SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS) /* * Cross-node balancing -- 2.27.0