Re: [LTP] clone tests fails

[Mike Frysinger <vapier@gentoo.org>]

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On Tuesday 05 January 2010 22:26:44 Serge E. Hallyn wrote:
> Quoting Jiri Palecek (jpalecek@web.de):
> > Michal, I suspect the failures you see are somehow related to
> > alignment (that your architecture doesn't like odd addresses). Is
> > that right? Under x86, the address gets aligned (so some of the
> > space is unused).
> >
> > Perhaps both of these behaviors should be tested by LTP?
> 
> Gah, yes, Nathan had mentioned arches where this matters (including
> some power?).  Nathan, did you have a generic fix for this in
> userspace?  Should always be safe to do
> 	(stack + stack_size - 1) & ~0xf
> ?

(sizeof(long double)-1) would probably be better than 0xf
-mike

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