On Wed, Jun 12, 2019 at 11:49 PM Nadav Amit <namit@xxxxxxxxxx> wrote: > > To improve TLB shootdown performance, flush the remote and local TLBs > concurrently. Introduce flush_tlb_multi() that does so. The current > flush_tlb_others() interface is kept, since paravirtual interfaces need > to be adapted first before it can be removed. This is left for future > work. In such PV environments, TLB flushes are not performed, at this > time, concurrently. Would it be straightforward to have a default PV flush_tlb_multi() that uses flush_tlb_others() under the hood?