Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933024Ab3D3PeP (ORCPT ); Tue, 30 Apr 2013 11:34:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:64322 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932934Ab3D3PeN (ORCPT ); Tue, 30 Apr 2013 11:34:13 -0400 Date: Tue, 30 Apr 2013 17:35:20 +0200 From: Stanislaw Gruszka To: Linus Torvalds Cc: Ingo Molnar , Linux Kernel Mailing List , Peter Zijlstra , =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker , Thomas Gleixner , Andrew Morton Subject: Re: [GIT PULL] scheduler changes for v3.10 Message-ID: <20130430153512.GA21930@redhat.com> References: <20130430065808.GA19736@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1180 Lines: 29 On Tue, Apr 30, 2013 at 07:49:43AM -0700, Linus Torvalds wrote: > On Mon, Apr 29, 2013 at 11:58 PM, Ingo Molnar wrote: > > > > Please pull the latest sched-core-for-linus git tree from: > > > > The main changes in this development cycle were: > > > > - full dynticks preparatory work by Frederic Weisbecker > > Why does this have the crappy cputime scaling overflow code, when we > had a long thread about how to do it right *without* any 64-bit > divides, including a quality-tested patch? > > This still has the garbage "div64_u64_rem()" crap which actually SLOWS > DOWN 32-bit code even when not used (becuse it makes "div64_u64()" > calculate it even when unnecessary. > > WTF happened here? I and others spent efforts so that we wouldn't need > this kind of crap. I'm sorry, I was on vacations and has some other work to do, so I didn't send patches in timely manner. I just posted them today. Stanislaw -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/