Messages in this thread | | | Date | Mon, 20 Mar 2023 09:49:02 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] mm/mmu_gather: send tlb_remove_table_smp_sync IPI only to MM CPUs |
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On Sun, Mar 12, 2023 at 10:09:45AM +0200, Yair Podemsky wrote: > Currently the tlb_remove_table_smp_sync IPI is sent to all CPUs > indiscriminately, this causes unnecessary work and delays notable in > real-time use-cases and isolated cpus, this patch will limit this IPI to > only be sent to cpus referencing the effected mm and are currently in > kernel space.
Did you validate that all architectures for which this is relevant actually set bits in mm_cpumask() ?
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