From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [RFC PATCH V4 02/13] netback: add module unload function. Date: Fri, 3 Feb 2012 06:38:12 +0000 Message-ID: <1328251092.13189.29.camel@dagon.hellion.org.uk> References: <1328201363-13915-1-git-send-email-wei.liu2@citrix.com> <1328201363-13915-3-git-send-email-wei.liu2@citrix.com> <1328202524.11534.3.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1328203710.5553.94.camel@leeds.uk.xensource.com> <1328204936.13262.4.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1328212761.28964.77.camel@dagon.hellion.org.uk> <1328214866.2480.18.camel@edumazet-laptop> <1328215821.13189.24.camel@dagon.hellion.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: Eric Dumazet , "Wei Liu (Intern)" , "netdev@vger.kernel.org" , "xen-devel@lists.xensource.com" , "konrad.wilk@oracle.com" To: Paul Gortmaker Return-path: Received: from smtp.eu.citrix.com ([62.200.22.115]:38526 "EHLO SMTP.EU.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751249Ab2BCGiO (ORCPT ); Fri, 3 Feb 2012 01:38:14 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 2012-02-02 at 22:52 +0000, Paul Gortmaker wrote: > On Thu, Feb 2, 2012 at 3:50 PM, Ian Campbell wrote: > > On Thu, 2012-02-02 at 20:34 +0000, Eric Dumazet wrote: > > [...] > > > > > I don't think it is at all unreasonable to ask for bug fixes but in this > > case Wei's series is removing the code in question (which would also > > undoubtedly fix the bug). > > > > As it happens the fix turns out to be simple but if it were complex I > > would perhaps have disagreed more strongly about spending effort fixing > > code that is removed 2 patches later, although obviously that would have > > depended on the specifics of the fix in that case. > > Lots of people are relying on git bisect. If you introduce build failures > or known bugs into any point in history, you take away from the value > in git bisect. Sure, it happens by accident, but it shouldn't ever be > done knowingly. Sure. In this case the bug has been there since 2.6.39, it isn't introduced by this series. Ian.