Re: [PATCH v2] x86/fpu: Disable BH while while loading FPU registers in __fpu__restore_sig()

Dave Hansen
2018-11-19T17:32:50Z

On 11/19/18 9:27 AM, Borislav Petkov wrote:
>>> I was really hoping for code comments. :)
>> I though we agreed to make those in the larger series because those
>> comments in __fpu__restore_sig() would be removed anyway (as part of the
>> series).
> Also, over local_bh_disable() does not really fit as this is generic
> code and Sebastian said ARM does the whole thing a bit differently, for
> one.
>
> We probably should put that comment somewhere prominent in
> arch/x86/kernel/fpu/core.c or similar - somewhere people poking at FPU
> stuff will see it.

Ahh, got it.

arch/x86/kernel/fpu/core.c would be a fine spot.