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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 78F51C433E0 for ; Thu, 21 May 2020 13:26:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B59A2072C for ; Thu, 21 May 2020 13:26:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YEABLgi9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729409AbgEUN0X (ORCPT ); Thu, 21 May 2020 09:26:23 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:52436 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729289AbgEUN0W (ORCPT ); Thu, 21 May 2020 09:26:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590067581; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=X9nJJxhm6AhP9YB0H6QD9cJhNAGEF9IdB2qwK5+C+IM=; b=YEABLgi9ieZH4occIn1htDqy0ha09n5ij5tY9fCf5c4ejz8RUyA9k2wY7dvIwZsdMOx9Fj 0GZcnv/jEB74lKOOF9ib9haWCSvLUHyMFdiRq7ChPUW8reQ5egoxA0WVDZjVGhF0MRF1HL PzPCF4fHfZcS4i6EjtXeiRC8hpT8dFY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-448-BhqEgp7JMjOBXpwha5nBWg-1; Thu, 21 May 2020 09:26:19 -0400 X-MC-Unique: BhqEgp7JMjOBXpwha5nBWg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2DBA3107ACCD; Thu, 21 May 2020 13:26:18 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.40.195.209]) by smtp.corp.redhat.com (Postfix) with SMTP id CE02D60C84; Thu, 21 May 2020 13:26:12 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Thu, 21 May 2020 15:26:17 +0200 (CEST) Date: Thu, 21 May 2020 15:26:11 +0200 From: Oleg Nesterov To: Peter Zijlstra Cc: Ingo Molnar , Thomas Gleixner , Andrew Fox , Stephen Johnston , linux-kernel@vger.kernel.org, Stanislaw Gruszka , Linus Torvalds Subject: Re: [PATCH v2] sched/cputime: make scale_stime() more precise Message-ID: <20200521132610.GA8813@redhat.com> References: <20190718131834.GA22211@redhat.com> <20200127122817.GA10957@redhat.com> <20200519172506.GA317395@hirez.programming.kicks-ass.net> <20200520152439.GC26470@redhat.com> <20200520153603.GP317569@hirez.programming.kicks-ass.net> <20200520201033.GA325303@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200520201033.GA325303@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/20, Peter Zijlstra wrote: > > I had a another go; I ended up with this... Oh, thanks Peter! Oleg.