2023-07-27 18:14 GMT+03:00, Theo de Raadt <dera...@openbsd.org>:
> S V <ner...@gmail.com> wrote:
>> 2023-07-27 17:24 GMT+03:00, Theo de Raadt <dera...@openbsd.org>:
>> > You don't explain why you are trying to enable floating point register
>> > use in the kernel.
>> I just have CPU with it (Cortex-a57 with NEON), so was toying with it
>> trying to look if I get more performance.
>> Got this error and decided to post, thinking - maybe I got some "not
>> yet discovered" problem.
>> I'm not good with kernel development (sent only simple patches) so was
>> curious about it.
> What you are trying to do won't work at all.  If the kernel uses floating
> point registers, it must save/restore them at multiple types of context
> switching points, which is why kernels normally do not do this, except
> in very controlled fashion.  One doesn't set a compile option, and get
> this.  You are in way over your head

Ohh, thanks for explanation!

PS And sorry about empty subject line, just noticed it.

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