Messages in this thread | | | Date | Sat, 12 Jun 2004 15:57:42 +0200 (CEST) | Subject | Re: timer + fpu stuff locks my console race | From | stian@nixia ... |
| |
> --- 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |