From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751478AbdJWQIY (ORCPT ); Mon, 23 Oct 2017 12:08:24 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:48196 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751260AbdJWQIX (ORCPT ); Mon, 23 Oct 2017 12:08:23 -0400 Date: Mon, 23 Oct 2017 18:08:14 +0200 From: Peter Zijlstra To: Anna-Maria Gleixner Cc: LKML , Thomas Gleixner , Ingo Molnar , keescook@chromium.org, Christoph Hellwig , John Stultz Subject: Re: [PATCH v2 00/37] hrtimer: Provide softirq context hrtimers Message-ID: <20171023160814.GG3165@worktop.lehotels.local> References: <20171022213938.940451689@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171022213938.940451689@linutronix.de> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 22, 2017 at 11:39:38PM +0200, Anna-Maria Gleixner wrote: > This series implements a new approach by adding SOFT hrtimer mode and > instead of doing the list shuffle, timers started with this mode are put > into separate soft expiry hrtimer queues. These queues are evaluated only > when the hardirq context detects that the first expiring timer in the > softirq queues has expired. That makes the overhead in the hardirq context > minimal. Thanks! 1-29,33: Acked-by: Peter Zijlstra (Intel)