Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3172645ybz; Sun, 19 Apr 2020 19:46:06 -0700 (PDT) X-Google-Smtp-Source: APiQypKLfelhL6N9WfGYz+ghZUr2FpVueuUkz4yJi6+L5+8hbLFFJuAgYpoIyLZoT0xk4YHUnQ5r X-Received: by 2002:a17:906:9494:: with SMTP id t20mr13411453ejx.51.1587350766207; Sun, 19 Apr 2020 19:46:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587350766; cv=none; d=google.com; s=arc-20160816; b=OarLRF56w7+ku4v2nx/OxG7lCbY7H9NR3w2eh4WTSgueH1NhQ+ctax4aDRyk07Po3T uBAvnpaB20Cq7Ub5Ysgyvl8gaXkE8cBdSKFgkgIDw4nwaKwigITQJbDkn4PBVGREANhz vlkZ/wtnvIK6j4zpmMcp//VsWjZXvRfdRO24Y5YXrJFtOt8yTUkbzI002ktFZ8IkyIzc VG5+O2HAxFDwuG1yK7rnZhbQUZ56b3TKChl578SXpLMvZMmyc+vmspHgysPdcbrN8sII Nauhc8pFG241/qmcihmCrRy8rH2vr0Vaw0kEmGr+JVHEg2HTkRMCTvphUrc3odfgI/5v JXRg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=tx64meKBh8J5MSvyB+zPhNaxzcoPmSbo6ahgjii65G0=; b=XZLLX247uZMP8ZD/5Fl3AViXtup9GT+rL1L8ufl00mE6s/qYrL5vJIM3vH7l7AtFwR V5bJP7M2i25fsgJeQyS9rGzXpnQZL4jZDaZ4h4HDrVnM/ISJLtMUZYu8e/h6D7S0NpFh FHDMfdHWoMMcfub25gA/4GEDST0NmkeJSiz0JT6grONVvRgHTQsScLF+rwXZY3qS5btW zQY8NObjOlZVVIXkvGibMy9CFW1su+jD7bHHwo6BFzB9W2zNc0NbGjPcRJiH+nLy/m6l l1oKT29DdB0mwlH9KSmGmmnab+bF4o//xtj0XVi77HPyRDK/4idnGI0l1fQSwD6JEUyx JzMw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k6si19343842ejv.507.2020.04.19.19.45.43; Sun, 19 Apr 2020 19:46:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726025AbgDTCon (ORCPT + 99 others); Sun, 19 Apr 2020 22:44:43 -0400 Received: from out30-57.freemail.mail.aliyun.com ([115.124.30.57]:45358 "EHLO out30-57.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725865AbgDTCon (ORCPT ); Sun, 19 Apr 2020 22:44:43 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07488;MF=changhuaixin@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0Tw0pjwj_1587350675; Received: from localhost(mailfrom:changhuaixin@linux.alibaba.com fp:SMTPD_---0Tw0pjwj_1587350675) by smtp.aliyun-inc.com(127.0.0.1); Mon, 20 Apr 2020 10:44:38 +0800 From: Huaixin Chang To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, mingo@redhat.com, bsegall@google.com, chiluk+linux@indeed.com, vincent.guittot@linaro.org, pauld@redhead.com, Huaixin Chang Subject: [PATCH 0/2] Two small fixes for bandwidth controller Date: Mon, 20 Apr 2020 10:44:19 +0800 Message-Id: <20200420024421.22442-1-changhuaixin@linux.alibaba.com> X-Mailer: git-send-email 2.14.4.44.g2045bb6 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series contains two small fixes for bandwidth controller, and also preparation for burstable CFS bandwidth controller. Huaixin Chang (2): sched: Defend cfs and rt bandwidth quota against overflow sched/fair: Refill bandwidth before scaling kernel/sched/core.c | 8 ++++++++ kernel/sched/fair.c | 4 ++-- kernel/sched/rt.c | 9 +++++++++ kernel/sched/sched.h | 2 ++ 4 files changed, 21 insertions(+), 2 deletions(-) -- 2.14.4.44.g2045bb6