Gilles Chanteperdrix wrote:
> Hi,
> As once discussed with Heikki, and after a first missed attempt, here
> is a patch for x86 which attempts to cope correctly with Linux (non
> real-time) drivers using FPU in kernel-space.
> I tested it on my laptop without drivers using FPU, and it appears to
> work correctly, but it would be nice if people that had problems with
> the previous attempt (if I remember correctly, on old pentiums and on
> AMD processors) could test this patch.

Just fired up on a Pentium MMX which used to have problems with the
first approad. Switchtest reports no problems.

What about writing a simple test case for the non-RT in-kernel FPU usage?


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