Floating point in kernel?

[Konstantin Belousov]

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).