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=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 61A6EC2BA19 for ; Sun, 12 Apr 2020 02:03:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3052E208FE for ; Sun, 12 Apr 2020 02:03:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="wGVcx2or" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726859AbgDLCDU (ORCPT ); Sat, 11 Apr 2020 22:03:20 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:37845 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726155AbgDLCDU (ORCPT ); Sat, 11 Apr 2020 22:03:20 -0400 Received: by mail-qk1-f195.google.com with SMTP id s63so2078912qke.4 for ; Sat, 11 Apr 2020 19:03:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XTR+zpwxcbVOUwzqsmeeqcbb+Q1XYy8eEoh4oeKA1+4=; b=wGVcx2orE/ZVZkEcNH2KSyudN0OW6aFG0jnf5fZ0swkTt/t9Bs6g5Ho2Kdg8lfipRw 4/MbdH90jzLeHdNTrdwfEu32oalNNzUq0LYN8kGaHsxHevKcDOnmC+JaLcNwGOHeTWvR s8v2JU5w0RpbA4eJ+9kOK1/RB9vKgL03ERCdCDjcU7yqGeb+nMXVfoL5MFSpYC5ive+S lEBqJiBjcbgQviYrkBlOltdijYWQ/YgWsxrNYQIMxT4ELnQ8cVLIh+3/VXYjMTn+Xw2b LXX2iGyGUMeFi0F9FFDueAFnhRwF8zGp3iJgvpXkAHvYqYG3e8xAKbj8p52Xwm5LT3/r c46w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=XTR+zpwxcbVOUwzqsmeeqcbb+Q1XYy8eEoh4oeKA1+4=; b=ih3eaZD1T0LDeVizV+tZM5wIe3b/BQfvnpPdkfuUzpUO0B/BNhYDIRsYFs+3VVQSFo 8SyiSGdpMpkuQxR7NBO3t0DRe906WIlHWps2Qf1FxJgOQoBlqZs1Wm3ZbdtjSBQfTHd/ x3nY1sVfzwxYw9QNKMvOGjveXejXc8qRT3OacPTp8AEdOjjnebl3wT5IvPC3boQynfKI Be7Y6QnoLCy4HjClh65kvdXYnpsUJtFzPQCIhdpLTdt/hBUgQzhtOFfGLh7zE+hSurYJ dTZv7qzMJTS6zbN4FmzIbuYNgCcyIT34zRqOLf6rEonxxhMUgRywjx13ElstLd590S1I qFkw== X-Gm-Message-State: AGi0PuYEfU/BaQjFEEOaejQVsK+WXlRiHS654tEQS0h1AaZZm69px3kT GSXU968kgjRp8xC8FBYkIXaJ7ERt7qbOanluewkxRw== X-Google-Smtp-Source: APiQypLUxCqVPR4GKG7CUyPrOvnrUMFusgjUaLgM2ynAlBnJRFglKYD101lhX74B/A8J6SBq1M75pG/FgXK9oPUN5h0= X-Received: by 2002:a37:a9cc:: with SMTP id s195mr10307114qke.124.1586656997961; Sat, 11 Apr 2020 19:03:17 -0700 (PDT) MIME-Version: 1.0 References: <20200410225208.109717-1-joshdon@google.com> In-Reply-To: <20200410225208.109717-1-joshdon@google.com> From: Josh Don Date: Sat, 11 Apr 2020 19:03:07 -0700 Message-ID: Subject: Re: [PATCH 0/2] Fix race in CFS bandwidth To: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot Cc: Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Paul Turner , Huaixin Chang , linux-kernel , pauld@redhat.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 10, 2020 at 3:52 PM Josh Don wrote: > > This series contains a fix for CFS bandwidth and a related cleanup > patch. > > Josh Don (2): > sched: eliminate bandwidth race between throttling and distribution > sched: remove distribute_running from CFS bandwidth > > kernel/sched/fair.c | 91 +++++++++++++++++++++++--------------------- > kernel/sched/sched.h | 1 - > 2 files changed, 47 insertions(+), 45 deletions(-) > > -- > 2.26.0.110.g2183baf09c-goog > +pauld@redhat.com