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

[Ingo Molnar <mingo@elte.hu>]

* Adrian Bunk <bunk@stusta.de> 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?

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