Messages in this thread | ![/](/images/icornerl.gif) | | From | Andy Lutomirski <> | Date | Thu, 10 Dec 2020 16:11:36 -0800 | Subject | Re: [PATCH 2/8] x86: use exit_lazy_tlb rather than membarrier_mm_sync_core_before_usermode |
| |
> On Dec 5, 2020, at 7:59 PM, Nicholas Piggin <npiggin@gmail.com> wrote: >
> I'm still going to persue shoot-lazies for the merge window. As you > see it's about a dozen lines and a if (IS_ENABLED(... in core code. > Your change is common code, but a significant complexity (which > affects all archs) so needs a lot more review and testing at this > point.
I don't think it's ready for this merge window. I read the early patches again, and I think they make the membarrier code worse, not better. I'm not fundamentally opposed to the shoot-lazies concept, but it needs more thought and it needs a cleaner foundation.
| ![\](/images/icornerr.gif) |