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Date: Sat, 10 Mar 2007 09:49:53 -0800
From: "Kip Macy" <kip.macy@gmail.com>
To: Maslan <maslanbsd@gmail.com>
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References: <319cceca0703090116p7e768630qd055be57bbe4953@mail.gmail.com>
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Cc: freebsd-hackers@freebsd.org, cokane@cokane.org
Subject: Re: Floating-point in kernel space
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On 3/10/07, Maslan <maslanbsd@gmail.com> wrote:
> > It would be helpful to know why you need this support as well
>
> I just wanted to know the idea behind not having FP in kernel-space.

Saving and restoring FPU registers adds overhead to thread context
switching and there has never been a legitimate need for it.

 -Kip