On Sat, 2016-10-01 at 16:44 -0700, Andy Lutomirski wrote:
> On Sat, Oct 1, 2016 at 1:31 PM, <r...@redhat.com> wrote:
> >
> >
> > +static inline void switch_fpu_finish(void)
> > {
> > + set_thread_flag(TIF_LOAD_FPU);
> > }
>
> I can imagine this causing problems with kernel code that accesses
> current's FPU state, e.g. get_xsave_field_ptr(). That makes me wonder, what test programs do people have to verify the correctness of the FPU switching code? I have a few floating point benchmarks that check the results for correctness, but nothing that adds in signals, for example. What do people use? -- All Rights Reversed.
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