On Tue 2010-02-16 06:59:52, Benjamin Herrenschmidt wrote:

On Mon, 2010-02-15 at 08:34 +0100, Pavel Machek wrote:

quoted

quoted

On Tue, 2010-02-09 at 16:24 +0100, Pavel Machek wrote:

quoted

...according to gcc docs, sp should be global, or placement in
register is not guaranteed (except at asm boundaries, but there

are

quoted

quoted

none).

Sorry I'm not sure I grok what you mean.

Well, according to gcc doscs and my experience, local "register int
__asm()" variables only work by accident (or not at all). 

Hrm... we definitely rely on that for our thread_info() access, and so
far it has worked well for us, but I'll poke our gcc folks just in case.

Thanks, and let me know about any results.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html