From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753114AbdLMOT1 (ORCPT ); Wed, 13 Dec 2017 09:19:27 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:48803 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753050AbdLMOTZ (ORCPT ); Wed, 13 Dec 2017 09:19:25 -0500 Date: Wed, 13 Dec 2017 15:19:19 +0100 From: Peter Zijlstra To: Sebastian Andrzej Siewior Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, Steven Rostedt Subject: Re: [PATCH RT] time/hrtimer: disable that mode check Message-ID: <20171213141919.ouizpou5erye4fgz@hirez.programming.kicks-ass.net> References: <20171213135835.rwtcf7kj45a6x4tt@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171213135835.rwtcf7kj45a6x4tt@linutronix.de> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 13, 2017 at 02:58:35PM +0100, Sebastian Andrzej Siewior wrote: > On -RT we push all timers by default into the soft-mode. The > "start/update" code does not use that SOFT bit so we always see that > warning. Not _all_ timers I hope? There's a few the scheduler and perf use that really should stay in hardirq context.