Messages in this thread | | | Date | Tue, 05 Aug 2008 20:33:24 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH 0 of 8] x86/smp function calls: convert x86 tlb flushes to use function calls |
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Andi Kleen wrote: > Jeremy Fitzhardinge <jeremy@goop.org> writes: > > >> 1. use smp_call_function_mask to implement cross-cpu TLB flushes >> > > > Do you have any measurements comparing performance of the old and > the new call? TLB flush is quite time critical so we should be very > careful here.
No. What benchmark would you suggest?
J
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