Re: timer + fpu stuff locks my console race

[stian]

> --- linux-2.6.6/include/asm-i386/i387.h.fp-lockup	2004-05-10 06:33:06
> +0400
> +++ linux-2.6.6/include/asm-i386/i387.h	2004-06-12 17:25:56 +0400
> @@ -51,7 +51,6 @@
>  #define __clear_fpu( tsk )					\
>  do {								\
>  	if ((tsk)->thread_info->status & TS_USEDFPU) {		\
> -		asm volatile("fwait");				\
>  		(tsk)->thread_info->status &= ~TS_USEDFPU;	\
>  		stts();						\
>  	}							\

But what about task-switching and fpu-exceptions that comes in late? I
know that the kernel does not use FPU in general, and the places it does,
fsave, fwait and frstor embeddes it all in kernel-space.


Stian Skjelstad
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