Re: Followup to previous post: Atlon/VIA Instabilities

[Alan Cox]

>   So it seems that CONFIG_X86_USE_3DNOW is simply used to
> enable access to the routines in mmx.c (the athlon-optimized
> routines on CONFIG_K7 kernels), so then it appears that somehow
> this is corrupting memory / not behaving as it should (very
> technical, right?) :)...

Feel free to go over those routines in detail by hand. I've been over them and
I can't see any problems. The obvious candidates would be races in the
kernel_fpu_begin/end code but that also seems watertight to me.