From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [GIT PULL v2] timers updates for 3.15 Date: Thu, 13 Mar 2014 12:05:10 +0100 Message-ID: <20140313110510.GA10424@gmail.com> References: <1394642174-14315-1-git-send-email-fweisbec@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-ea0-f169.google.com ([209.85.215.169]:50152 "EHLO mail-ea0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753764AbaCMLFO (ORCPT ); Thu, 13 Mar 2014 07:05:14 -0400 Content-Disposition: inline In-Reply-To: <1394642174-14315-1-git-send-email-fweisbec@gmail.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Frederic Weisbecker Cc: Thomas Gleixner , LKML , Archs , Marcelo Tosatti , Peter Zijlstra , Rik van Riel , Huiqingding * Frederic Weisbecker wrote: > Ingo, Thomas, > > Please pull the timers/cputime-fix-steal-v3 branch that can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git > timers/cputime-fix-steal-v3 > > Only the last patch changed to address Peterz concern on arch Kbuild > layout. This got sorted out by running the script from b119fa61d440f > to alpabetically sort the entries. > > --- > The main purpose of this set is to fix a bug on full dynticks configs > where steal time accounting appears to be zero in /proc/stat even > after a few seconds of competing guests running busy loops in a same > host CPU. It's not a regression though as it was there since the > beginning with full dynticks. > > So patch [4/6] ("cputime: Fix jiffies based cputime assumption on > steal accounting") is the most important patch of the series. The rest > is mostly preparatory work to fix the bug plus various cleanups. > > Thanks, > Frederic > --- > > Frederic Weisbecker (6): > cputime: Fix nsecs_to_cputime() return type cast > cputime: Default implementation of nsecs -> cputime conversion > cputime: Bring cputime -> nsecs conversion > cputime: Fix jiffies based cputime assumption on steal accounting > sched: Remove needless round trip nsecs <-> tick conversion of steal time > arch: Remove stub cputime.h headers > > > arch/alpha/include/asm/Kbuild | 7 ++++--- > arch/alpha/include/asm/cputime.h | 6 ------ > arch/cris/include/asm/Kbuild | 3 ++- > arch/cris/include/asm/cputime.h | 6 ------ > arch/frv/include/asm/Kbuild | 5 +++-- > arch/frv/include/asm/cputime.h | 6 ------ > arch/m32r/include/asm/Kbuild | 5 +++-- > arch/m32r/include/asm/cputime.h | 6 ------ > arch/microblaze/include/asm/Kbuild | 5 +++-- > arch/microblaze/include/asm/cputime.h | 1 - > arch/mn10300/include/asm/Kbuild | 3 ++- > arch/mn10300/include/asm/cputime.h | 1 - > arch/score/include/asm/Kbuild | 4 ++-- > arch/score/include/asm/cputime.h | 6 ------ > arch/x86/include/asm/Kbuild | 1 + > arch/x86/include/asm/cputime.h | 1 - Does this tree also address the heavy conflicts with tip:core/locking? If not then we should probably carry this in a separate branch that merges tip:core/locking and tip:timers/core. Thanks, Ingo