Re: [RFC PATCH] x86: Unify include/asm-x86/linkage_[32|64].h

From: Adrian Bunk
Date: Wed Dec 05 2007 - 04:31:55 EST


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.

> Jeff

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/