Message ID | 20230203232409.163847-1-frederic@kernel.org |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id on16-20020a17090b1d1000b002291890533esi5342199pjb.114.2023.02.03.15.31.20; Fri, 03 Feb 2023 15:31:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=iYsRI9WE; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233090AbjBCXYW (ORCPT <rfc822;il.mystafa@gmail.com> + 99 others); Fri, 3 Feb 2023 18:24:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232445AbjBCXYU (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Fri, 3 Feb 2023 18:24:20 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A355A07ED; Fri, 3 Feb 2023 15:24:19 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 222D2B82C3E; Fri, 3 Feb 2023 23:24:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFECEC433D2; Fri, 3 Feb 2023 23:24:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675466656; bh=DPCD11U3iraVLwoI0ZmoNtXTwzpTxLUsmQXJIlJGVSE=; h=From:To:Cc:Subject:Date:From; b=iYsRI9WEJSXvQrf3WdnsJctWyoYSHpJ9XXhS6XfxCe9MFaOWmzH9nklIEiPNAFzk8 pgm2UXKuqznGQ9qmSaKceq8HGb2NVkuTjU9EHO047NuRFGkIkK7AlwYph4NuaW6CQu Yfv4Tt5Kmfs5Ph+phIQd92418JDtLA37TmbbZntv5WKDNeGCmoA3lLPfpheDROYOBy lex84MWnpMjkDQaUxDAy4Gg9ssjU4vP/ZmUrpgKdpkwdhD6w39f63rijUzdbVrr8Su QF5e33ZTIhClNBvjwku0s/7M1KOLWbStucstrSvrrl6/K6UOTQnzktd7t6vVSWSsLw Wg9XHpLFpy0LA== From: Frederic Weisbecker <frederic@kernel.org> To: LKML <linux-kernel@vger.kernel.org> Cc: Frederic Weisbecker <frederic@kernel.org>, Roman Gushchin <roman.gushchin@linux.dev>, Michal Hocko <mhocko@suse.com>, Marcelo Tosatti <mtosatti@redhat.com>, Leonardo <leobras@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, Shakeel Butt <shakeelb@google.com>, Muchun Song <muchun.song@linux.dev>, Andrew Morton <akpm@linux-foundation.org>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>, cgroups@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/2] sched/isolation: Prep work for pcp cache draining isolation Date: Sat, 4 Feb 2023 00:24:07 +0100 Message-Id: <20230203232409.163847-1-frederic@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756854583768620763?= X-GMAIL-MSGID: =?utf-8?q?1756854583768620763?= |
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sched/isolation: Prep work for pcp cache draining isolation
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Message
Frederic Weisbecker
Feb. 3, 2023, 11:24 p.m. UTC
For reference: https://lore.kernel.org/lkml/20230125073502.743446-1-leobras@redhat.com/ And the latest proposal: https://lore.kernel.org/lkml/Y90mZQhW89HtYfT9@dhcp22.suse.cz/ Pcp cache draining isolation needs a function that abstracts checking if a CPU is isolated through isolcpus= or nohz_full=. Take advantage of that to do some cleanups. Frederic Weisbecker (2): sched/isolation: Merge individual nohz_full features into a common housekeeping flag sched/isolation: Add cpu_is_isolated() API arch/x86/kvm/x86.c | 2 +- drivers/char/random.c | 2 +- drivers/pci/pci-driver.c | 2 +- include/linux/sched/isolation.h | 13 +++++++------ include/net/ip_vs.h | 4 ++-- kernel/cpu.c | 4 ++-- kernel/kthread.c | 4 ++-- kernel/rcu/tasks.h | 2 +- kernel/rcu/tree_plugin.h | 6 +++--- kernel/sched/core.c | 12 ++++++------ kernel/sched/fair.c | 6 +++--- kernel/sched/isolation.c | 22 ++++++---------------- kernel/watchdog.c | 2 +- kernel/workqueue.c | 2 +- net/core/net-sysfs.c | 2 +- net/netfilter/ipvs/ip_vs_ctl.c | 2 +- 16 files changed, 39 insertions(+), 48 deletions(-)