Re: Question: Using floating point in the kernel

From: Andi Kleen (ak@suse.de)
Date: Thu Sep 21 2000 - 06:44:00 EST


On Thu, Sep 21, 2000 at 11:36:17AM +0000, John Alvord wrote:
> A 2.5-time problem is that portions of the kernel are planned to
> become interruptible... so saving and restoring around a certain usage
> would be insufficient.

It is sufficient when you do tsk->flags |= PF_USEDFPU first.

Anyways, better think about 2.5 when it is there and not now. Overdesigning
for possible futures is usually a mistake, because the future often looks
different than you think now and you have to remove the garbage then anyways.

-Andi
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