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(parent: d0725e4) | patch
netxen: pre calculate register addresses
authorAmit Kumar Salecha <amit@netxen.com>
Sat, 5 Sep 2009 17:43:10 +0000 (17:43 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 7 Sep 2009 08:53:13 +0000 (01:53 -0700)
commit195c5f9829407857cba86f083caec6302b1fd8e1
treed208ca059eaa3f6dd0dd4fb23226f84584a341e4tree | snapshot
parentd0725e4d3ccf603c4fcf3589850cb464c927d42acommit | diff
netxen: pre calculate register addresses

For registers accessed in fast path (interrupt / softirq)
avoid expensive I/O address translation. These registers
are directly mapped in PCI bar 0 and do not require
any window checks.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/netxen/netxen_nic.h diff | blob | history
drivers/net/netxen/netxen_nic_ctx.c diff | blob | history
drivers/net/netxen/netxen_nic_ethtool.c diff | blob | history
drivers/net/netxen/netxen_nic_hw.c diff | blob | history
drivers/net/netxen/netxen_nic_init.c diff | blob | history
drivers/net/netxen/netxen_nic_main.c diff | blob | history
Domain: System / Kernel;