On Thu, 2019-08-22 at 10:11 +0200, Christoph Hellwig wrote: > On Thu, Aug 22, 2019 at 12:51:51AM -0700, Atish Patra wrote: > > If tlbflush request is for page only, there is no need to do a > > complete local tlb shootdown. > > > > Just do a local tlb flush for the given address. > > Looks good, although I suspect in many cases even doing multiple > single-page sfence.vma calls might be cheaper than the global one. > > But I think that is worth a Ń•eparate discussion, preferably with > actual > numbers. >
Yup. Finding a good threashold is always tricky without real benchmarks. > Reviewed-by: Christoph Hellwig <h...@lst.de> Thanks for the review. -- Regards, Atish
