Re: sysenter support

Horst von Brand (vonbrand@inf.utfsm.cl)
Mon, 29 Oct 2001 13:35:57 -0300


Stefan Hoffmeister <lkml.2001@econos.de> said:
> : On Sun, 28 Oct 2001 22:43:40 -0300, Horst von Brand wrote:
> >AFAIKS you will need to
> >be able to run an i686 glibc on an i386 (install!) kernel

> Why would you ever want to run a binary optimized for the i686 on a
> i386-optimized kernel?

When installing the system. When booting with rescue CD/floppy and trying
to run the native programs on the disk.

> Typically you will want to have a "base" glibc around which really
> serves the lowest common denominator (i386) and then optimized versions
> in the i686 / mmx / sse subdirectories which will run whenever it is
> possible to run

Right. Selected at runtime. Nice bloath + slowdown, that one...

-- 
Dr. Horst H. von Brand                Usuario #22616 counter.li.org
Departamento de Informatica                     Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria              +56 32 654239
Casilla 110-V, Valparaiso, Chile                Fax:  +56 32 797513
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