Re: [PATCH 0 of 8] x86/smp function calls: convert x86 tlb flushesto use function calls
From: Jeremy Fitzhardinge
Date: Tue Aug 05 2008 - 23:33:46 EST
Andi Kleen wrote:
Jeremy Fitzhardinge <jeremy@xxxxxxxx> 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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