From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756051Ab1G1RtR (ORCPT ); Thu, 28 Jul 2011 13:49:17 -0400 Received: from www.linutronix.de ([62.245.132.108]:43956 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755846Ab1G1RtP (ORCPT ); Thu, 28 Jul 2011 13:49:15 -0400 Date: Thu, 28 Jul 2011 19:49:12 +0200 (CEST) From: Thomas Gleixner To: Jason Wessel cc: LKML , linux-rt-users Subject: Re: [ANNOUNCE] 3.0-rt4 In-Reply-To: <4E319F7F.8040802@windriver.com> Message-ID: References: <4E319F7F.8040802@windriver.com> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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 Jason, On Thu, 28 Jul 2011, Jason Wessel wrote: > On 07/27/2011 04:37 PM, Thomas Gleixner wrote: > > - KGDB (not yet disabled) is reportedly unusable on -rt right now due > > to missing hacks in the console locking which I dropped on purpose. > > > To work around this in the short term you can use this patch, in > addition to the clocksource watchdog patch that Thomas brewed up. I pick that up as is. It's a non issue for KGDB=n > Comments are welcome of course. Ultimately the right solution is to > change separation between the console and the HW to have a polled > mode + work queue so as not to introduce any kind of latency. Care to take a stab ? Thanks, tglx