From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753808AbdFSIwQ convert rfc822-to-8bit (ORCPT ); Mon, 19 Jun 2017 04:52:16 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:35811 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753627AbdFSIwO (ORCPT ); Mon, 19 Jun 2017 04:52:14 -0400 Date: Mon, 19 Jun 2017 10:52:06 +0200 From: Sebastian Andrzej Siewior To: Mike Galbraith Cc: Thomas Gleixner , LKML , linux-rt-users , Steven Rostedt Subject: Re: [ANNOUNCE] v4.11.5-rt1 Message-ID: <20170619085206.n2n22lpdfsoqbp5m@linutronix.de> References: <20170616105610.rbc6itylcrsla56l@linutronix.de> <1497687277.6908.31.camel@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <1497687277.6908.31.camel@gmx.de> User-Agent: NeoMutt/20170306 (1.8.0) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2017-06-17 10:14:37 [+0200], Mike Galbraith wrote: > Hi Sebastian, Hi Mike, > > I noticed a couple things wrt migrate_disable() changes... > > During that rebase, migrate_disable() was changed to no longer map to > preempt_disable() for nonrt, but some patches still assume it does.  It > now depends upon PREEMPT_COUNT, the RT workaround in futex.c induces > grumbling in nonrt builds with PREEMPT_COUNT enabled. argh, right. It was planned to get it merged upstream but due to $reasons we never got that far. For that reason I would simply revert that change and let migrate_disable() map to preempt_disable() as it did earlier. > -Mike Sebastian