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authorMichael S. Tsirkin <mst@mellanox.co.il>2006-09-22 15:17:18 -0700
committerRoland Dreier <rolandd@cisco.com>2006-09-22 15:17:18 -0700
commit9fd558f454b666aca218a990d44f9e1ffac6ed4d (patch)
tree43ab69a01d0c9932b90aa930f21c3a6319b55baa /drivers/infiniband
parentb27075735e371f481940a4920b329202334d2259 (diff)
IB/mthca: Don't use privileged UAR for kernel access
Make kernel use UAR2 instead of UAR1 for hardware access: this adds sanity checking from the hardware side, without any performance cost. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_uar.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_uar.c b/drivers/infiniband/hw/mthca/mthca_uar.c
index 8e9219842be..8b728486410 100644
--- a/drivers/infiniband/hw/mthca/mthca_uar.c
+++ b/drivers/infiniband/hw/mthca/mthca_uar.c
@@ -60,7 +60,7 @@ int mthca_init_uar_table(struct mthca_dev *dev)
ret = mthca_alloc_init(&dev->uar_table.alloc,
dev->limits.num_uars,
dev->limits.num_uars - 1,
- dev->limits.reserved_uars);
+ dev->limits.reserved_uars + 1);
if (ret)
return ret;