From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753280AbbCQR4S (ORCPT ); Tue, 17 Mar 2015 13:56:18 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:38516 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbbCQR4Q (ORCPT ); Tue, 17 Mar 2015 13:56:16 -0400 Date: Tue, 17 Mar 2015 18:55:59 +0100 From: Peter Zijlstra To: John Stultz Cc: lkml , Daniel Thompson , Russell King , Will Deacon , Catalin Marinas , Thomas Gleixner , Stephen Boyd , Ingo Molnar Subject: Re: [PATCH 0/5] Arch-generic sched_clock NMI safety and optimizations for -tip Message-ID: <20150317175559.GJ23123@twins.programming.kicks-ass.net> References: <1426613906-19718-1-git-send-email-john.stultz@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1426613906-19718-1-git-send-email-john.stultz@linaro.org> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 17, 2015 at 10:38:21AM -0700, John Stultz wrote: > Daniel Thompson (5): > sched_clock: Match scope of read and write seqcounts > sched_clock: Optimize cache line usage > sched_clock: Remove suspend from clock_read_data > sched_clock: Remove redundant notrace from update function > sched_clock: Avoid deadlock during read from NMI > > kernel/time/sched_clock.c | 195 ++++++++++++++++++++++++++++++++-------------- > 1 file changed, 138 insertions(+), 57 deletions(-) Looks sane; makes one wonder if there's more code to share between this and the core timekeeping; there's some strong resemblance ;-) Acked-by: Peter Zijlstra (Intel)