Re: [patch] x86, small syscall entry speedup, 2.1.90

Linus Torvalds (torvalds@transmeta.com)
Fri, 13 Mar 1998 09:48:23 -0800 (PST)

On Fri, 13 Mar 1998, MOLNAR Ingo wrote:
>
> this patch speeds up syscall entry and page faults by 1 cycle on a pentium
> ;) It's tested.

It also won't actually compile with any sane assembler. Admittedly "gas"
isn't sane, but maybe somebody will clean gas up some day.

Please fix gas instead of making the kernel uglier..

Linus

> - mov %dx,%ds; \
> - mov %dx,%es;
> + movb %dx,%ds; \
> + movb %dx,%es;

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