Floating point in kernel?
Johannes Lundberg
johalun0 at gmail.com
Sat May 26 10:15:19 UTC 2018
On Sat, May 26, 2018 at 11:11 AM Konstantin Belousov <kostikbel at gmail.com>
wrote:
> On Sat, May 26, 2018 at 10:59:50AM +0100, Johannes Lundberg wrote:
> > Hi
> >
> > The new AMD graphics drivers use floats in kernel space.
> > Upstream Linux code has something like:
> > kernel_fpu_begin();
> > ...
> > kernel_fpu_end();
> >
> > Do we have similar functions to save/restore FPU registers?
> Read fpu_kern(9).
>
Thanks! Actually I found that just after hitting the send button :)
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