From mboxrd@z Thu Jan 1 00:00:00 1970 From: Prarit Bhargava Subject: Re: [PATCH]: Add Network Sysrq Support Date: Wed, 22 Jun 2011 06:42:36 -0400 Message-ID: <4E01C71C.5060003@redhat.com> References: <20110621225645.GD16021@Chamillionaire.breakpoint.cc> <20110621.155816.1840729860084652508.davem@davemloft.net> <4E01C34F.6050009@redhat.com> <20110622.033502.2198841895093553350.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: fw@strlen.de, fbl@redhat.com, netdev@vger.kernel.org, agospoda@redhat.com, nhorman@redhat.com, lwoodman@redhat.com To: David Miller Return-path: Received: from mx1.redhat.com ([209.132.183.28]:60204 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752707Ab1FVKmv (ORCPT ); Wed, 22 Jun 2011 06:42:51 -0400 In-Reply-To: <20110622.033502.2198841895093553350.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On 06/22/2011 06:35 AM, David Miller wrote: > From: Prarit Bhargava > Date: Wed, 22 Jun 2011 06:26:23 -0400 > > >> Using the netfilter xt-SYSRQ code seems to store the entered code and >> execute it later after the system has returned to a normal state.... >> which is much too late to be useful. >> > So add a feature that allows xt-SYSRQ to not queue the request > and instead execute it immediately in softirq context. > > I don't see what the big deal is. > I'm not familiar with the netfilter code and was about to ask some other colleagues about it ... but I think you answered my main question which was "does netfilter do things in interrupt context?" P.