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SubjectRe: TLB flushes on fixmap changes
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at 11:58 AM, Andy Lutomirski <luto@kernel.org> wrote:

> On Mon, Aug 27, 2018 at 11:54 AM, Nadav Amit <nadav.amit@gmail.com> wrote:
>>> On Mon, Aug 27, 2018 at 10:34 AM, Nadav Amit <nadav.amit@gmail.com> 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.

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