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

[Sebastian Andrzej Siewior]

On 2018-11-19 07:04:35 [-0800], Dave Hansen wrote:
> 
> Does the local_bh_disable() itself survive?

Not in __fpu__restore_sig(). I do have:
| static inline void __fpregs_changes_begin(void)
| {
|        preempt_disable();
|        local_bh_disable();
| }

and __fpregs_changes_begin() is introduced as part of the series.

Sebastian