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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 A4368CA9EA9 for ; Fri, 18 Oct 2019 20:53:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77F3C2064B for ; Fri, 18 Oct 2019 20:53:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UvV6Zikb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404444AbfJRUxd (ORCPT ); Fri, 18 Oct 2019 16:53:33 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:55376 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390535AbfJRUxc (ORCPT ); Fri, 18 Oct 2019 16:53:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=mUPVBXLV4K5EO90WfnmPs43qm4UQmzSkfjJgIXw2cYY=; b=UvV6Zikb2r1VEfOW9HSLCda1N GTXKwNoLNX4SsOHuLnDq2T/huk5dySxjgOHkaSSoF0vgffTwNSm4dvs2G9dHCb/uDHFpp3KV53nV8 BFprSAvyq9YVpeNvwPZRBiohNRQ1rKMbPibru/nvnC3jPEUcjYh/QG0fdajBx0sGDalzbeV2LvOCq FIuRpRcnebuYQ2RgGDCimVef1lcGtWd3cWHYLlzv9qzuKwHwY0Z+JIGJw27a99iyCKKAF8/9A7uQ4 eC28+UvmStHQB8F5xClsAIe7Z125qJj1AVvgDZzhElicScrjiCJzLrCEPuIJ7iyDOUBnctOQQ68AV cMpINGAzg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iLZFZ-0001Yi-CR; Fri, 18 Oct 2019 20:53:29 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id CF4E8301124; Fri, 18 Oct 2019 22:52:30 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id BE1D820238A88; Fri, 18 Oct 2019 22:53:26 +0200 (CEST) Date: Fri, 18 Oct 2019 22:53:26 +0200 From: Peter Zijlstra To: Dave Chiluk Cc: Greg KH , Ben Segall , Phil Auld , stable@vger.kernel.org, Sasha Levin , Ingo Molnar Subject: Re: Please backport de53fd7aedb1 : sched/fair: Fix low cpu usage with high throttling by removing expiration of cpu-local slices Message-ID: <20191018205326.GB1817@hirez.programming.kicks-ass.net> References: <20190925064414.GA1449297@kroah.com> <20190927131332.GO8171@sasha-vm> <20191003065135.GA1813585@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Oct 18, 2019 at 03:23:02PM -0500, Dave Chiluk wrote: > @Ben @Ingo @Peter > Can you please please ack this backport request? > > Thank you, > Dave Chiluk > > On Thu, Oct 3, 2019 at 1:51 AM Greg KH wrote: > > > > On Thu, Oct 03, 2019 at 12:15:02AM -0500, Dave Chiluk wrote: > > > @Greg KH, Qian Cai's compiler warning fix has now been integrated into > > > Linus' tree as commit: 763a9ec06c409 > > > > > > Both de53fd7aedb1 and 763a9ec06c40 are now apart of v5.4-rc1. Can you > > > please queue up these fixes for backport to all stable kernels. > > > > I need an ack from the scheduler maintainers that this is ok to do so... Sure I suppose, but what makes this commit special? Don't you normally take just about anything?