[PATCH] ib/ehca: bitmask handling for lock_hcalls

Alexander Schmidt
2010-06-10T09:06:53Z

Fix reading capability bit from device capabilities for hcall locking.

Signed-off-by: Alexander Schmidt <alexs-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
---

Hi Roland, this applies against 2.6.35-rc2 and we would like to get
it into your -next tree, thanks!

drivers/infiniband/hw/ehca/ehca_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-2.6.35-rc2.orig/drivers/infiniband/hw/ehca/ehca_main.c
+++ linux-2.6.35-rc2/drivers/infiniband/hw/ehca/ehca_main.c
@@ -360,7 +360,8 @@ static int ehca_sense_attributes(struct
* a firmware property, so it's valid across all adapters
*/
if (ehca_lock_hcalls == -1)
- ehca_lock_hcalls = !(shca->hca_cap & HCA_CAP_H_ALLOC_RES_SYNC);
+ ehca_lock_hcalls = !EHCA_BMASK_GET(HCA_CAP_H_ALLOC_RES_SYNC,
+ shca->hca_cap);

/* translate supported MR page sizes; always support 4K */
shca->hca_cap_mr_pgsize = EHCA_PAGESIZE;