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

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Message-Id: <200701050202.l0522sS2004940@turing-police.cc.vt.edu>
Date:	Thu, 04 Jan 2007 21:02:54 -0500
From:	Valdis.Kletnieks@...edu
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	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

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"...



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