Re: TLB flushes on fixmap changes

From: Andy Lutomirski
Date: Mon Aug 27 2018 - 14:59:05 EST


On Mon, Aug 27, 2018 at 11:54 AM, Nadav Amit <nadav.amit@xxxxxxxxx> wrote:
>> On Mon, Aug 27, 2018 at 10:34 AM, Nadav Amit <nadav.amit@xxxxxxxxx> wrote:
>> What do you all think?
>
> I agree in general. But I think that current->mm would need to be loaded, as
> otherwise I am afraid it would break switch_mm_irqs_off().
>

What breaks?