diff options
Diffstat (limited to 'kernel/drivers/infiniband/hw/qib/qib_keys.c')
| -rw-r--r-- | kernel/drivers/infiniband/hw/qib/qib_keys.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/drivers/infiniband/hw/qib/qib_keys.c b/kernel/drivers/infiniband/hw/qib/qib_keys.c index ad843c786..5afaa2185 100644 --- 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); |