IB/ipath: Performance optimization for CPU differences

[net-next-2.6.git] / drivers / infiniband / hw / ipath / ipath_kernel.h

diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 7a7966f7e4fff96cc5a2027072fb15893126d927..d983f92b9bcbe2569393f9189c1bf1e224fd4c7a 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -724,6 +724,8 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
 #define IPATH_LINKACTIVE    0x200
                /* link current state is unknown */
 #define IPATH_LINKUNK       0x400
+               /* Write combining flush needed for PIO */
+#define IPATH_PIO_FLUSH_WC  0x1000
                /* no IB cable, or no device on IB cable */
 #define IPATH_NOCABLE       0x4000
                /* Supports port zero per packet receive interrupts via