AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

IB/mthca: Don't use privileged UAR for kernel access

Browse Source 
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>
This commit is contained in:
Michael S. Tsirkin 2006-09-22 15:17:18 -07:00 committed by Roland Dreier
parent b27075735e
commit 9fd558f454
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/hw/mthca/mthca_uar.c
View File

@ -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;