Re: [net-next.git 4/7] stmmac: add Rx watchdog optimization to mitigate the DMA irqs

On Wed, 2012-09-05 at 17:03 +0200, Giuseppe CAVALLARO wrote:

GMAC devices newer than databook 3.50 has an embedded timer
that can be used for mitigating the number of interrupts.
So this patch adds this optimizations.
Old MAC will continue to use NAPI.

[...]

Interrupt moderation is *not* a substitute for NAPI; you should continue
using NAPI as well.

Ben.

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Ben Hutchings, Staff Engineer, Solarflare
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