Message ID | 20200817113003.20802-10-valentin.schneider@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=RKuL=B3=lists.infradead.org=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 28883109B for <patchwork-linux-arm@patchwork.kernel.org>; Mon, 17 Aug 2020 11:32:55 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ECAC3204EC for <patchwork-linux-arm@patchwork.kernel.org>; Mon, 17 Aug 2020 11:32:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ioOOsS9w" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ECAC3204EC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=h/N2TzpLF5s6U0MZ2VGJpic4IzcGbZ3HszGciHJSGq0=; b=ioOOsS9wkVDWjF3lu8E4eh1Qf iRBsDS/yfOZoXPzOTqhLDzMY+GIOWP3cj+MnI1TVmy5yLmY7eoLU5nc3kxyoH9hkvOPymb2yre5f7 Bj+4WsahECZvLzi1T/E/8x5lEwPS0g30qagbuyT/+5cwJ+iyA6tEiF0MXJsgNq1ys8eJcMOs1MJ2i f6ndIeDuFrBT8ayJ2uSCJWM//h7HgNCvTYGcLhYjcL4+vexPY6il09tUC5Pq49hYBmF/6HPH+zpg/ hRaFIa3rrxpMveiN/Jj3nEC3U8qkeIouggxCXUC9UP5vG0z9LtNmkBG1G68dnxfP4s79f49+QU/r3 bljaFsqUA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k7dM0-0000VF-Kh; Mon, 17 Aug 2020 11:31:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k7dLO-0000DO-Ss for linux-arm-kernel@lists.infradead.org; Mon, 17 Aug 2020 11:30:30 +0000 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 78E3A1063; Mon, 17 Aug 2020 04:30:26 -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 3C60E3F66B; Mon, 17 Aug 2020 04:30:25 -0700 (PDT) From: Valentin Schneider <valentin.schneider@arm.com> To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 09/17] sched/topology: Remove SD_SERIALIZE degeneration special case Date: Mon, 17 Aug 2020 12:29:55 +0100 Message-Id: <20200817113003.20802-10-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200817_073027_078235_BB675FCE X-CRM114-Status: GOOD ( 13.00 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: mingo@kernel.org, vincent.guittot@linaro.org, Quentin Perret <qperret@google.com>, Peter Zijlstra <peterz@infradead.org>, morten.rasmussen@arm.com, Dietmar Eggemann <dietmar.eggemann@arm.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
sched: Instrument sched domain flags
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expand
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diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 5f2bc99ff659..00ad7cef2ec1 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -183,11 +183,9 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent) return 0; /* Flags needing groups don't count if only 1 group in parent */ - if (parent->groups == parent->groups->next) { + if (parent->groups == parent->groups->next) pflags &= ~(SD_DEGENERATE_GROUPS_MASK | SD_PREFER_SIBLING); - if (nr_node_ids == 1) - pflags &= ~SD_SERIALIZE; - } + if (~cflags & pflags) return 0;