at 11:58 AM, Andy Lutomirski <luto@xxxxxxxxxx> wrote: > 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? Actually nothing. I just saw the IBPB stuff regarding tsk, but it should not matter.