From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: [PATCH 3/4] xfrm: remove policy lock when accessing policy->walk.dead Date: Wed, 31 Mar 2010 13:47:57 -0400 Message-ID: <1270057677.26743.116.camel@bigi> References: <1270030626-16687-1-git-send-email-timo.teras@iki.fi> <1270030626-16687-5-git-send-email-timo.teras@iki.fi> <20100331110345.GC12845@gondor.apana.org.au> <1270040773.26743.12.camel@bigi> <20100331131131.GA13793@gondor.apana.org.au> <1270042092.26743.26.camel@bigi> <20100331135331.GB14082@gondor.apana.org.au> <4BB37B48.5020308@trash.net> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Herbert Xu , Timo Teras , netdev@vger.kernel.org, "David S. Miller" To: Patrick McHardy Return-path: Received: from mail-ew0-f220.google.com ([209.85.219.220]:39785 "EHLO mail-ew0-f220.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757910Ab0CaRsE (ORCPT ); Wed, 31 Mar 2010 13:48:04 -0400 Received: by ewy20 with SMTP id 20so112819ewy.1 for ; Wed, 31 Mar 2010 10:48:02 -0700 (PDT) In-Reply-To: <4BB37B48.5020308@trash.net> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2010-03-31 at 18:41 +0200, Patrick McHardy wrote: > I agree with Herbert, the flush notification indicates that > the table is now empty, independant of its previous state. What purpose does it serve? As an example, if i delete an entry, the fact i deleted an entry is of interest to some manager in user space for the purpose of syncing. If i brought a link down, same thing. If i brought a link down that was already down - why would that be of interest to generate as an event? etc. cheers, jamal