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SubjectRe: [PATCH v3 1/1] r8169: Coalesce RTL8411b PHY power-down recovery programming instructions to reduce spinlock stalls
> I will not contradict, but the cummulative amount of memory barriers on each MMIO read/write
> in each single one of the drivers could amount to some degrading of overall performance and
> latency in a multicore system.

For optimisations, we like to see benchmark results which show some
improvements. Do you have any numbers?

Andrew

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