Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932743AbbFWSpq (ORCPT ); Tue, 23 Jun 2015 14:45:46 -0400 Received: from www.linutronix.de ([62.245.132.108]:41649 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752298AbbFWSpj (ORCPT ); Tue, 23 Jun 2015 14:45:39 -0400 Message-ID: <5589A94F.9010209@linutronix.de> Date: Tue, 23 Jun 2015 20:45:35 +0200 From: Sebastian Andrzej Siewior User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.7.0 MIME-Version: 1.0 To: Steven Rostedt , Gary Robertson CC: Jan Kiszka , LKML , linux-rt-users , Thomas Gleixner , Peter Zijlstra Subject: Re: [PATCH][RT][RFC] irq_work: Have non HARD_IRQ irq work just run from ticks References: <20150622150959.44055b32@gandalf.local.home> <5589694D.4040504@siemens.com> <20150623123057.0bf8fc58@gandalf.local.home> In-Reply-To: <20150623123057.0bf8fc58@gandalf.local.home> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 823 Lines: 22 On 06/23/2015 06:30 PM, Steven Rostedt wrote: > I'd be sleeping better at night with a third queue. I'll write up a > patch and post that as an RFC as well. This will at a minimum keep with > the paradigm of mainline linux. We had three queues. We are down to two and I think this is a good thing. We only deal with FULL_NOHZ in hardirq context (looking at v4.0-RT). Before that (FULL_NOHZ) everything was handled in softirq and nobody was concerned (saw a problem). It would be good if we would address a regression or a bug or something like that. > > -- Steve Sebastian -- 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/