Re: Question: Using floating point in the kernel

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Thu Sep 21 2000 - 18:08:36 EDT

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> 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.

Unless you sleep

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