Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755467Ab3EVJWx (ORCPT ); Wed, 22 May 2013 05:22:53 -0400 Received: from mail-pb0-f47.google.com ([209.85.160.47]:56039 "EHLO mail-pb0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753805Ab3EVJWn (ORCPT ); Wed, 22 May 2013 05:22:43 -0400 Date: Wed, 22 May 2013 18:22:34 +0900 From: Tejun Heo To: Stephan Gatzka Cc: Stefan Richter , linux1394-devel@lists.sourceforge.net, peter@hurleysoftware.com, linux-kernel@vger.kernel.org Subject: Re: function call fw_iso_resource_mange(..) (core-iso.c) does not return Message-ID: <20130522092234.GB3466@mtj.dyndns.org> References: <8ac7ca3200325ddf85ba57aa6d000f70@gatzka.org> <20130521222817.3626b59d@stein> <24da2e78e684e560c5aa034cebd3e26b@gatzka.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24da2e78e684e560c5aa034cebd3e26b@gatzka.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 897 Lines: 26 Hello, On Wed, May 22, 2013 at 11:08:43AM +0200, Stephan Gatzka wrote: > >There is quite a bit going on in firewire-ohci's and > >firewire-core's parts > >of self-ID-complete event handling. But I suspect that stuff like > >that is > >still not in the league for which CPU_INTENSIVE was intended for > >(cryptography etc.). > > Some advice from Tejun would be great here... No need to use CPU_INTENSIVE unless it's really burning considerable amount of CPU cycles. I don't know what the firewire work items are doing but am pretty doubtful they would need the flag, and please don't use it to work around deadlock problems. :) Thanks. -- tejun -- 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/