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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