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These changes are a raw update to a vanilla kernel 4.1.10, with the
[kvmfornfv.git]
/
kernel
/
drivers
/
infiniband
/
hw
/
qib
/
qib_keys.c
diff --git
a/kernel/drivers/infiniband/hw/qib/qib_keys.c
b/kernel/drivers/infiniband/hw/qib/qib_keys.c
index
ad843c7
..
5afaa21
100644
(file)
--- a/
kernel/drivers/infiniband/hw/qib/qib_keys.c
+++ b/
kernel/drivers/infiniband/hw/qib/qib_keys.c
@@
-86,6
+86,10
@@
int qib_alloc_lkey(struct qib_mregion *mr, int dma_region)
* unrestricted LKEY.
*/
rkt->gen++;
+ /*
+ * bits are capped in qib_verbs.c to insure enough bits
+ * for generation number
+ */
mr->lkey = (r << (32 - ib_qib_lkey_table_size)) |
((((1 << (24 - ib_qib_lkey_table_size)) - 1) & rkt->gen)
<< 8);