Re: Floating point in kernel?

From: Johannes Lundberg <johalun0_at_gmail.com>
Date: Sat, 26 May 2018 11:14:41 +0100
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 :)
Received on Sat May 26 2018 - 08:15:19 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:16 UTC