Received: by 2002:a05:6358:51dd:b0:131:369:b2a3 with SMTP id 29csp1014320rwl; Thu, 10 Aug 2023 05:21:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGzIB887ZfduIi7YWKSHEwrHcF94xj71gfmrq3mBHcXF0aOcmKOCHrcOZhxILdnnqHrPRjc X-Received: by 2002:a17:90a:a10f:b0:269:3cdb:4edf with SMTP id s15-20020a17090aa10f00b002693cdb4edfmr1595097pjp.16.1691670061876; Thu, 10 Aug 2023 05:21:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1691670061; cv=none; d=google.com; s=arc-20160816; b=wxM/ZEnEbVYUwt0WZt06NzFJrlq7tj5ZX7eiCWuX9s4JoiNd2xc8o2gDFJqbEOZ/bm u7fctcc9x4NoscE1WUdahdswIztXgs3PkT/NsCR98i6ezKpnaijxUZLxtz6Fl5/5jG/l OG0a+IiCahOKkyWJSamk2+rhTONg62/8OcfQz7s1ab5S7gPmaBRwWOqtu3ETOPg2erLJ xVkcw+xLl9Hi+ZtObbERlHp68fs+TnQ4LEJlqxoY53gYzjR1i92Hqy4oI0dCJx4J7W+x 98j+A1i6RqsxgkR9Q1NsLS8QNyDy8Cf/mWE8K3AbYasdG9O1pfk/oqQvQNG9c335+J5/ FryQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=ZwoRcwPde2jMSuFGIZJQsN8ToBMZksq6y8S2UUNSdAY=; fh=RgB83Zpj3uL9dlqyeOunTfr5lpHpuW1PMS0kMi5NkPc=; b=E/ufTHDRp/4SObky7b5L6KZlsufvv42egmR83V3dnSgLAkMVQX3Dv73Z/j+MK1z5Ey NvEN+cizGkniIRPwb54C+DeIrR/86p2Mcs3kZcfYQPGlwK7c8nJ4HnTZlvcdsME9pFNj ONTXarpx2TEA1t++CN+x5MQ/wwlmtV5N3QPdCi1aK5+z7pwh5X+IeDRtW/A1GQPLBMZK AQziku9XpAi1ZbxxVETGrTl/iqUvh7LBJbekmwmBKpQgQwc0w6xWmfqToP8UbXJKqQAh QhCWB1WTI9hw5cZ20AxYOcreuCyAh45bL6Fw4tsVh4I045xk2koUYZT6LewF61GZ/Lly /3JA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=vBoG7IYx; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id gj20-20020a17090b109400b002681895d0d9si3463875pjb.120.2023.08.10.05.20.48; Thu, 10 Aug 2023 05:21:01 -0700 (PDT) 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=@infradead.org header.s=casper.20170209 header.b=vBoG7IYx; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234026AbjHJK0g (ORCPT + 99 others); Thu, 10 Aug 2023 06:26:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230419AbjHJK0e (ORCPT ); Thu, 10 Aug 2023 06:26:34 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6808A83 for ; Thu, 10 Aug 2023 03:26:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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; bh=ZwoRcwPde2jMSuFGIZJQsN8ToBMZksq6y8S2UUNSdAY=; b=vBoG7IYxv14q8bktC7uZU+G75r CXvW0BvAGK9IwO1j1Ita/Ace+JnjF7MEmxe3XSgWmwBtUDsRywoydnhLWU3YG2Bq7yyR8Fl9HwWSA loCoe/G9I5zVvECc3GZa0t50NO6G3gDYS7Zu4bRacEX+22xm/DqvPRIsB2/WOovmtX+iwyxe+vFOs 2C9qqW2WxUOZsLOhWnGKVSqJC6tgde32dY68TRolwts0FOJ0w/p6IIBEkvrpw39wqIM/KRM86qLQQ B4+/SQO1UeCq7/AwZI2g7EJ0WSpYJttBWsJXi01fNyN1GBDA2m+Xx/jnEBVC9FcmJ0rPDVSRlrifW ocyVpZiA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1qU2rz-00Bxov-GM; Thu, 10 Aug 2023 10:26:19 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 4422730003A; Thu, 10 Aug 2023 12:26:18 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 09747201D137B; Thu, 10 Aug 2023 12:26:18 +0200 (CEST) Date: Thu, 10 Aug 2023 12:26:17 +0200 From: Peter Zijlstra To: Mel Gorman Cc: Ingo Molnar , Cyril Hrubis , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Daniel Bristot de Oliveira , Valentin Schneider , linux-kernel@vger.kernel.org, ltp@lists.linux.it Subject: Re: [PATCH 0/2 RESEND] Two fixes for sysctl_sched_rr_timeslice Message-ID: <20230810102617.GW212435@hirez.programming.kicks-ass.net> References: <20230802151906.25258-1-chrubis@suse.cz> <20230810083028.l2ov4wpffhv3zw3h@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230810083028.l2ov4wpffhv3zw3h@suse.de> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE 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: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 10, 2023 at 09:30:28AM +0100, Mel Gorman wrote: > On Wed, Aug 02, 2023 at 05:19:04PM +0200, Cyril Hrubis wrote: > > - Fixes rounding error for initial value with CONFIG_HZ_300 > > > > - Fixes read from the file after reset to default (by writing val <= 0) > > > > Hi Peter, > > Any chance this can be picked up in tip please? It might have helped if > the leader mentioned the main problem covered in patch 1 -- some HZ > values can fail LTP tests due to a simple rounding error at compile > time. Yah, sorry, too much crazy atm :/ Got it queued.