On Wed, Oct 07, 2020 at 10:57:52AM -0400, Mathieu Desnoyers wrote:
> - On Oct 7, 2020, at 10:29 AM, Peter Zijlstra pet...@infradead.org wrote:
>
> > On Thu, Sep 24, 2020 at 01:25:06PM -0400, Mathieu Desnoyers wrote:
> >> diff --git a/kernel/exit.c b/kernel/exit.c
> >> index 733e80f334e7..0767a
- On Oct 7, 2020, at 10:29 AM, Peter Zijlstra pet...@infradead.org wrote:
> On Thu, Sep 24, 2020 at 01:25:06PM -0400, Mathieu Desnoyers wrote:
>> diff --git a/kernel/exit.c b/kernel/exit.c
>> index 733e80f334e7..0767a2dbf245 100644
>> --- a/kernel/exit.c
>> +++ b/kernel/exit.c
>> @@ -475,7 +47
On Thu, Sep 24, 2020 at 01:25:06PM -0400, Mathieu Desnoyers wrote:
> diff --git a/kernel/exit.c b/kernel/exit.c
> index 733e80f334e7..0767a2dbf245 100644
> --- a/kernel/exit.c
> +++ b/kernel/exit.c
> @@ -475,7 +475,19 @@ static void exit_mm(void)
> BUG_ON(mm != current->active_mm);
> /*
exit_mm should issue memory barriers after user-space memory accesses,
before clearing current->mm, to order user-space memory accesses
performed prior to exit_mm before clearing tsk->mm, which has the
effect of skipping the membarrier private expedited IPIs.
exit_mm should also update the runqueu
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