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linux-next/drivers/net/vxge
Benjamin LaHaise 3f23e436d2 vxge: prefetch RxD descriptors
This patch prefetches RxD descriptors which helps to lower the latency of a
cache miss in vxge_hw_ring_rxd_next_completed.  This lowers the % of CPU
time used by vxge_hw_ring_rxd_next_completed() where the descriptor is
accessed in profiling netperf on a P4 Xeon from 1.5% to 1.0%.

Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com>
Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05 13:10:45 -07:00
..
Makefile Neterion: New driver: Kconfig and Makefile 2009-04-02 00:33:46 -07:00
vxge-config.c vxge: Removed ioremap of unused bar addresses and their references 2009-07-05 19:16:24 -07:00
vxge-config.h vxge: fix pktgen hangs (don't abuse skb->cb[]) 2009-08-05 13:10:43 -07:00
vxge-ethtool.c Neterion: New driver: Ethtool related 2009-04-02 00:33:44 -07:00
vxge-ethtool.h Neterion: New driver: Ethtool related 2009-04-02 00:33:44 -07:00
vxge-main.c vxge: prefetch RxD descriptors 2009-08-05 13:10:45 -07:00
vxge-main.h vxge: fix pktgen hangs (don't abuse skb->cb[]) 2009-08-05 13:10:43 -07:00
vxge-reg.h vxge: Corrected Register map entry for xmac_link registers 2009-07-05 19:16:30 -07:00
vxge-traffic.c vxge: prefetch RxD descriptors 2009-08-05 13:10:45 -07:00
vxge-traffic.h vxge: fix pktgen hangs (don't abuse skb->cb[]) 2009-08-05 13:10:43 -07:00
vxge-version.h vxge: Version update 2009-07-05 19:16:44 -07:00