Re: [PATCH 0 of 8] x86/smp function calls: convert x86 tlb flushes to use function calls

[Andi Kleen]

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.

-Andi
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