From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756578Ab3KHN0g (ORCPT ); Fri, 8 Nov 2013 08:26:36 -0500 Received: from moutng.kundenserver.de ([212.227.126.186]:61449 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751118Ab3KHN0e (ORCPT ); Fri, 8 Nov 2013 08:26:34 -0500 Message-ID: <1383917188.4964.94.camel@marge.simpson.net> Subject: Re: CONFIG_NO_HZ_FULL + CONFIG_PREEMPT_RT_FULL = nogo From: Mike Galbraith To: paulmck@linux.vnet.ibm.com Cc: Thomas Gleixner , Frederic Weisbecker , Peter Zijlstra , LKML , RT Date: Fri, 08 Nov 2013 14:26:28 +0100 In-Reply-To: <20131108123713.GC18245@linux.vnet.ibm.com> References: <1383228427.5272.36.camel@marge.simpson.net> <1383794799.5441.16.camel@marge.simpson.net> <1383798668.5441.25.camel@marge.simpson.net> <20131108032343.GA18245@linux.vnet.ibm.com> <1383895880.4964.91.camel@marge.simpson.net> <20131108123713.GC18245@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Provags-ID: V02:K0:VfpykriFRihAG/ncYw3mtDduf2vU3VcwTJ77Or7WZGg kQlZjWMuNb4AHEw+sHQPsrjKKAQDHi0YTrd3cney1NS0cKELlj RsyBEJIGWa4pjA7DXNn9wKeRG/U4OLZ4qqwVfNVNyuwLlaoVmy 3wBIgUfSXIoASR/367MDJ11m2me234A3ZJRK8hygjhFpXIz68g axquAu0Nc871DE20GXEbdQrjLwsxs+rLzepE6se9YIDny3DkAl M7TvcM/bYCcV/IFccfGH+289pA9tL4Aa8GnyYySLHOBfu0bvwk nd4iwngXytWh9SG9B5xHZvZH63+n8xmrWKkVP8Go/6umoQo8dk xE/S/7Vq2Pj+1nNPOPD5d8/sWyLYfcxU9XOyG+i9B Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2013-11-08 at 04:37 -0800, Paul E. McKenney wrote: > On Fri, Nov 08, 2013 at 08:31:20AM +0100, Mike Galbraith wrote: > > On Thu, 2013-11-07 at 19:23 -0800, Paul E. McKenney wrote: > > > > > An untested patch that gets rid of the RCU_SOFTIRQs in this case is below. > > > > Yup, toasted. > > You lost me on this one. If my patch broke your system, any chance of > any diagnostic information? No no, the RCU_SOFTIRQs are toast, history, gone. -Mike