Messages in this thread | | | From | Andy Lutomirski <> | Date | Wed, 26 Jun 2019 09:33:32 -0700 | Subject | Re: [PATCH 5/9] x86/mm/tlb: Optimize local TLB flushes |
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On Tue, Jun 25, 2019 at 2:36 PM Dave Hansen <dave.hansen@intel.com> wrote: > > On 6/12/19 11:48 PM, Nadav Amit wrote: > > While the updated smp infrastructure is capable of running a function on > > a single local core, it is not optimized for this case. > > OK, so flush_tlb_multi() is optimized for flushing local+remote at the > same time and is also (near?) the most optimal way to flush remote-only. > But, it's not as optimized at doing local-only flushes. But, > flush_tlb_on_cpus() *is* optimized for local-only flushes.
Can we stick the optimization into flush_tlb_multi() in the interest of keeping this stuff readable?
Also, would this series be easier to understand if there was a patch to just remove the UV optimization before making other changes?
--Andy
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