Re: Intel P6 vs P7 system call performance

[Linus Torvalds]

On Tue, 24 Dec 2002, Ingo Molnar wrote:
>
> this reminds me of another related matter that is not fixed yet, which bug
> caused XFree86 to crash if it was linked against the new libpthreads - in
> vm86 mode we did not save/restore %gs [and %fs] properly, which breaks
> new-style threading. The attached patch is against the 2.4 backport of the
> threading stuff, i'll do a 2.5 patch after christmas eve :-)

Actually, pretty much nothing has changed in vm86 handling, so the patch
should work fine as-is on 2.5.x too.

		Linus