netdev - Re: [RFC PATCH V4 02/13] netback: add module unload function.

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Message-ID: <1328251092.13189.29.camel@dagon.hellion.org.uk>
Date:	Fri, 3 Feb 2012 06:38:12 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	"Wei Liu (Intern)" <wei.liu2@...rix.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>
Subject: Re: [RFC PATCH V4 02/13] netback: add module unload function.

On Thu, 2012-02-02 at 22:52 +0000, Paul Gortmaker wrote:
> On Thu, Feb 2, 2012 at 3:50 PM, Ian Campbell <Ian.Campbell@...rix.com> 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.


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