On Wed, Dec 05, 2007 at 11:18:45AM +0100, Ingo Molnar wrote:
>
> * Adrian Bunk <[email protected]> wrote:
>
> > On Tue, Dec 04, 2007 at 07:19:45PM -0500, Jeff Dike wrote:
> > > On Wed, Dec 05, 2007 at 12:15:19AM +0100, Adrian Bunk wrote:
> > > > UML can't switch to the regparm(3) convention on i386 since it links
> > > > with userspace code, so if assembler code uses this calling convention
> > > > we need the C prototype of it annotated accordingly.
> > >
> > > We're not talking about a global calling convention switch, right?
> > > We're talking about selected functions only, in which case, the fact
> > > that UML links against libc is irrelevant.
> >
> > The non-UML i386 switched to globally using the regparm(3) calling
> > convention in 2.6.20.
>
> maybe i'm a bit dense, but why cannot UML switch to -mregparm=3 too?
The UML kernel is linked against libc...
> Ingo
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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