Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761123Ab3D3QXI (ORCPT ); Tue, 30 Apr 2013 12:23:08 -0400 Received: from mail-ea0-f169.google.com ([209.85.215.169]:51530 "EHLO mail-ea0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761071Ab3D3QXF (ORCPT ); Tue, 30 Apr 2013 12:23:05 -0400 Date: Tue, 30 Apr 2013 18:23:00 +0200 From: Ingo Molnar To: Stanislaw Gruszka Cc: Linus Torvalds , Linux Kernel Mailing List , Peter Zijlstra , Fr?d?ric Weisbecker , Thomas Gleixner , Andrew Morton Subject: Re: [GIT PULL] scheduler changes for v3.10 Message-ID: <20130430162300.GB28821@gmail.com> References: <20130430065808.GA19736@gmail.com> <20130430153512.GA21930@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130430153512.GA21930@redhat.com> 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: 1491 Lines: 40 * Stanislaw Gruszka wrote: > 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. Linus, would you like me to revert d9a3c9823a2e and re-send the pull request? I intended to queue up Stanislaw's fixes in sched/urgent as the real solution, but they arrived earlier today and are too fresh. Thanks, Ingo -- 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/