Re: Question: Using floating point in the kernel

[Alan Cox]

> > > It is sufficient when you do tsk->flags |= PF_USEDFPU first.
> > 
> > Unless you sleep
> 
> Unless I'm missing something the lazy FPU state save in the 2.4 switch_to will
> do the right thing at least on x86. Your kernel FPU state will overwrite the 
> user FPU state in current, but that's ok because it is undefined anyways 
> (and you restore the correct state when you wake up again) 

2.4 maybe. Im not totally sure on that code. 2.2 wont

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/