On 01/11/2015 01:46 PM, r...@redhat.com wrote:
> +/*
> + * The FPU state used depends on the capabilities of the hardware; the
> + * registers used for vector instructions on newer hardware are included
> + * in the FPU state.
> + */
> union thread_xstate {
Tiny nit, if you happen to revise this set at some point...
While you probably don't need/want to have an exhaustive list of
everything that gets saved in there, we should probably still mention
that it's a lot more than just vector instructions.
I'd say:
The FPU state used depends on the capabilities of the
hardware. This state increasingly contains things
not related to the FPU itself, like registers used for
vector instructions.
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