On Tue, 2014-07-15 at 17:41 +0800, Jason Wang wrote: > Add basic support for rx busy polling. > > 1 byte netperf tcp_rr on mlx4 shows 116% improvement: the transaction > rate was increased from 9151.94 to 19787.37.
This is a misleading changelog. You forgot to describe how you allowed busy polling, as it is not 'automatic' If not, this patch adds two spinlock/unlock pairs in fast path. Also, it looks like you could split this in smaller patches. virtnet_napi_disable_all() & virtnet_napi_enable_all() could be added in a separate patch for example. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
