On Mon, 6 Sep 1999, Comandante wrote:

> Suppose that I'm writing a piece of code taht uses the FPU, in a SMP 
> system, will be the two units used in paralell if I have two threads 
> using them?   

yes - this is one of the advantages of 'kernel threads'.

> The interrupt for the FPU is XT-PIC ; If I managed to use both FPUs  
> how will the kernel know what FPU of what cpu isued the int??    

dont get confused by the FPU entry in /proc/interrupts - it's only used on
early 386 CPUs. Anything newer uses exception 16 for FPU exceptions.

-- mingo

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