linux-kernel - Re: [PATCH -mm 8/8] user ns: implement user ns unshare

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Message-ID: <20070105043512.GA1412@sergelap.austin.ibm.com>
Date:	Thu, 4 Jan 2007 22:35:12 -0600
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	Valdis.Kletnieks@...edu
Cc:	"Serge E. Hallyn" <serue@...ibm.com>,
	Frederik Deweerdt <deweerdt@...e.fr>,
	Andrew Morton <akpm@...l.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -mm 8/8] user ns: implement user ns unshare

Quoting Valdis.Kletnieks@...edu (Valdis.Kletnieks@...edu):
> On Thu, 04 Jan 2007 16:52:53 CST, "Serge E. Hallyn" said:
> > Quoting Valdis.Kletnieks@...edu (Valdis.Kletnieks@...edu):
> > > On Thu, 04 Jan 2007 19:07:00 GMT, Frederik Deweerdt said:
> > > > >  	int err = 0;
> > > >         ^^^^^^^^^^^^
> > > > The "= 0" is superfluous here.
> > >
> > > Umm?  bss gets cleared automagically, but when did we start auto-zeroing
> > > the stack?
> >
> > No, no, that's what i thought he meant at first too, but I actually
> > manually set err on all paths anyway  :)
> 
> Oh.  So it's *really* just "superfluous until somebody changes the code"...

True.

-serge
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