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=-11.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=no 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 6E1AEFA372C for ; Fri, 8 Nov 2019 20:20:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 36B8020869 for ; Fri, 8 Nov 2019 20:20:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=indeed.com header.i=@indeed.com header.b="g4BP9hFL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730043AbfKHUUj (ORCPT ); Fri, 8 Nov 2019 15:20:39 -0500 Received: from mail-ot1-f66.google.com ([209.85.210.66]:43158 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727700AbfKHUUj (ORCPT ); Fri, 8 Nov 2019 15:20:39 -0500 Received: by mail-ot1-f66.google.com with SMTP id l14so6269456oti.10 for ; Fri, 08 Nov 2019 12:20:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=indeed.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=jtPjbB5aknx1Pqzf0Srtqe+A6mXZ9+cYamkg9DFe5dA=; b=g4BP9hFL13TMVpcOYQF8qV8LYy/s367wY+m+MiNfD3wIIglEL1UdblRTCqpWr2k2ym niR8Pn2ykDMg73LRH5Gl4LHg7JN5NsnOATertHEHCsk5LCewqs/YWIVI4Tgeqptnjne/ FAvGeUn0bCc5DZ3uYdUkfmz1vcRxeBtGIGZI4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=jtPjbB5aknx1Pqzf0Srtqe+A6mXZ9+cYamkg9DFe5dA=; b=BqHWDXjCqthiTDHRjBOERs/Xf7YdMcxE4TVqSWl1uKjj1A0je8Cq47jVPP3BikWATg nNYU1kGjNQaTnD2Tnla7iTA28KBT5qipXTqOOCyHXeEb6x0bCQNxCagSnWNKf9QTVZ1f kGruM9TNWb2X8MW4WcPlUmPQGeYEPn0zXATt+mgi7pTdmy7EfemJmv7H66DLervYZn/s md9CiLc+V328X9SLf1YrZIzKv7jLy/RhPBkkbv+bQ5Pk2WSbdw9i4PLE7xDHDQjdaF+r DanVMew9R53B5HER23URlItvkdEn8HnGYVEVm2jSlPylAdOJCDzG/Smj1l+QA8nqh4YY Zjpw== X-Gm-Message-State: APjAAAWdv+q/EGxdpFMcntYODANchg9FROxT+S4Nt9p1Ktj7vnO/VPf+ PFhWbPBgZXJJVtxZ7TFQnt3sQA== X-Google-Smtp-Source: APXvYqxNwPm93boGaKl8L86Jy9a9O7Y8UGg24NTkuSsnRh4sqrM54qfkLQbyDzAvzwZF4WameTkkcA== X-Received: by 2002:a9d:6294:: with SMTP id x20mr9556499otk.31.1573244436141; Fri, 08 Nov 2019 12:20:36 -0800 (PST) Received: from cando.ausoff.indeed.net ([97.105.47.162]) by smtp.gmail.com with ESMTPSA id o18sm2251083otj.38.2019.11.08.12.20.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Nov 2019 12:20:35 -0800 (PST) From: Dave Chiluk To: Greg KH Cc: Peter Zijlstra , Ben Segall , Phil Auld , stable@vger.kernel.org, Sasha Levin , Ingo Molnar , Qian Cai Subject: [PATCH v4.19.y 0/2] Please backport de53fd7aedb1 : sched/fair: Fix low cpu usage with high throttling by removing expiration of cpu-local slices Date: Fri, 8 Nov 2019 14:20:06 -0600 Message-Id: <1573244408-31101-1-git-send-email-chiluk+linux@indeed.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <20191104110832.GE1945210@kroah.com> References: <20191104110832.GE1945210@kroah.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Here's the backported patches for 4.19.y. Logic is basically the same, the issue was primarily with patch context. The patches are really back-ports and not cherry-picks because of that, if that's an issue feel free to change the text description. [PATCH v4.19.y 1/2] sched/fair: Fix low cpu usage with high throttling by [PATCH v4.19.y 2/2] sched/fair: Fix -Wunused-but-set-variable warnings