Messages in this thread | | | Subject | Re: [PATCH 1/4] x86/mm/tlb: Revert the recent lazy TLB patches | From | Rik van Riel <> | Date | Wed, 22 Aug 2018 18:11:02 -0400 |
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On Wed, 2018-08-22 at 14:37 -0700, Linus Torvalds wrote: > On Wed, Aug 22, 2018 at 8:46 AM Peter Zijlstra <peterz@infradead.org> > wrote: > > > > Revert [..] in order to simplify the TLB invalidate fixes for x86. > > We'll try again later. > > Rik, I assume I should take your earlier "yeah, I can try later" as > an > ack for this?
Yes, feel free to add my Acked-by: to all these patches.
Patch 3/4 is not ideal, with the slow path in tlb_remove_table sending two IPIs (one to every CPU, one to the CPUs in the mm_cpumask), but that is a slow path we should not be hitting much anyway.
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