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, 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 97A7CC3A589 for ; Tue, 20 Aug 2019 13:50:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 68C9B22DA9 for ; Tue, 20 Aug 2019 13:50:59 +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="sWWF5c1P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730131AbfHTNu6 (ORCPT ); Tue, 20 Aug 2019 09:50:58 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:42076 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729912AbfHTNu6 (ORCPT ); Tue, 20 Aug 2019 09:50:58 -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=BJdushshRjE5p6pk+gXX+Jze6GPE/XvH4hIjY3sz1Io=; b=sWWF5c1P8YfknP1iIVs5v22XX dGeYhiHH3XNFfonW0VZL9Oc2mAbAYd/gzbl1MaygtGlZNEfXTMqOhnUs1eKyvvseN5Hxq9MeBSvmx Zka9xle4Ohkx79zl88Z9qygMJG3rwUHhtFOpSs0lc38HX3bFsus+7ghx3vASS9PXSN9X2P7TtZmfS ABCISbJ7wUDW5bGNotwRcwWRTzUcLOL5+RALR8INQiOHp+QI/9W8NL8Eym0HKFheWAf7B0drq14Nc ufg26bfYUMUOLzZtjCMPRK4htLt2N6OQQ1A6sPtX+BZ4ROUOWzWd3bbdKlG78vM7sHPPJ9FFg3v6D Vly6hpMlA==; 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 (Red Hat Linux)) id 1i04XJ-0000ST-5X; Tue, 20 Aug 2019 13:50:57 +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 1FB4330785A; Tue, 20 Aug 2019 15:50:24 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 64AC620A99A00; Tue, 20 Aug 2019 15:50:55 +0200 (CEST) Date: Tue, 20 Aug 2019 15:50:55 +0200 From: Peter Zijlstra To: Peng Liu Cc: linux-kernel@vger.kernel.org, mingo@redhat.com Subject: Re: [PATCH] sched/fair: eliminate redundant code in sched_slice() Message-ID: <20190820135055.GR2332@hirez.programming.kicks-ass.net> References: <20190816141202.GA3135@iZj6chx1xj0e0buvshuecpZ> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190816141202.GA3135@iZj6chx1xj0e0buvshuecpZ> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 16, 2019 at 10:12:02PM +0800, Peng Liu wrote: > Since sched_slice() is used in high frequency, > small change should also make sense. An actual Changelog would also make sense; but alas.