From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932900AbcFONs1 (ORCPT ); Wed, 15 Jun 2016 09:48:27 -0400 Received: from merlin.infradead.org ([205.233.59.134]:37892 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932121AbcFONs0 (ORCPT ); Wed, 15 Jun 2016 09:48:26 -0400 Date: Wed, 15 Jun 2016 15:48:17 +0200 From: Peter Zijlstra To: Paolo Abeni Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , "David S. Miller" , Eric Dumazet , Steven Rostedt , Ingo Molnar , Hannes Frederic Sowa , netdev@vger.kernel.org Subject: Re: [PATCH 3/5] sched/preempt: cond_resched_softirq() must check for softirq Message-ID: <20160615134817.GJ30909@twins.programming.kicks-ass.net> References: <5e046ef45554b053d22e76809a8faf546c3c0720.1465996447.git.pabeni@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5e046ef45554b053d22e76809a8faf546c3c0720.1465996447.git.pabeni@redhat.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 15, 2016 at 03:42:04PM +0200, Paolo Abeni wrote: > Currently cond_resched_softirq() fails to reschedule if there > are pending softirq but no other running process. This happens > i.e. when receiving an interrupt with local bh disabled. > > Reported-by: Eric Dumazet > Signed-off-by: Paolo Abeni > Signed-off-by: Hannes Frederic Sowa All your patches appear to have this broken SoB chain. As presented it suggests you wrote the patches, which matches with From, however it then suggests Hannes collected and send them onwards, not so much. Please correct.