Re: [PATCH 3/3] x86,fpu: use disable_task_lazy_fpu_restore helper

[Dave Hansen]

On 01/30/2015 09:49 AM, riel@xxxxxxxxxx wrote:
> @@ -440,8 +440,9 @@ static inline fpu_switch_t switch_fpu_prepare(struct task_struct *old, struct ta
>  					     new->thread.fpu_counter > 5);
>  	if (__thread_has_fpu(old)) {
>  		if (!__save_init_fpu(old))
> -			cpu = ~0;
> -		old->thread.fpu.last_cpu = cpu;
> +			task_disable_lazy_fpu_restore(old);
> +		else
> +			old->thread.fpu.last_cpu = cpu;

What is the 'else' doing here?  It seems a bit disconnected from the
other parts of the patch.
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