Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1160996AbaDSQ7H (ORCPT ); Sat, 19 Apr 2014 12:59:07 -0400 Received: from mail-lb0-f177.google.com ([209.85.217.177]:48816 "EHLO mail-lb0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752691AbaDSQ6n (ORCPT ); Sat, 19 Apr 2014 12:58:43 -0400 MIME-Version: 1.0 In-Reply-To: References: <20140409194742.GC26782@laptop.programming.kicks-ass.net> <20140409200836.GE26782@laptop.programming.kicks-ass.net> Date: Sat, 19 Apr 2014 09:58:41 -0700 Message-ID: Subject: Re: current->sched_class->yield_task is NULL, any hint? From: Lin Ming To: Paul Gortmaker Cc: Peter Zijlstra , "linux-arm-kernel@lists.infradead.org" , lkml Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Apr 19, 2014 at 9:21 AM, Paul Gortmaker wrote: > On Wed, Apr 9, 2014 at 5:39 PM, Lin Ming wrote: >> On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra wrote: > > [...] > >>>> >>>> Look at that, its calling yield() from a non-preemptible context as >>>> well. >>>> >>>> That code is full of fail. >>> >>> *phew* none of that br_igmp_* muck lives in any kernel tree near me so I >>> can stop worrying :-) >> >> It's our internal code. > > In the future, please don't simply call it 3.4-rt when there are a bunch of > vendor/project/SDK patches also applied, as that can be very misleading > to the people you are asking for help from. If it is a hybrid franken-kernel > then please at least indicate that right at the very beginning. Sorry for the misleading. I'll make it clear next time. Thanks. > > Paul. > -- > >> >>> >>> In any case, it wrongly passes a GFP_WAIT along to netlink_broadcast. >> >> I'll fix it. >> Thanks very much. -- 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/