diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-08-01 04:37:25 +0400 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-08-01 04:37:25 +0400 |
| commit | 57cad8084e0837e0f2c97da789ec9b3f36809be9 (patch) | |
| tree | e9c790afb4286f78cb08d9664f58baa7e876fe55 /drivers/infiniband/hw/ipath/ipath_keys.c | |
| parent | cb18bd40030c879cd93fef02fd579f74dbab473d (diff) | |
| parent | 49b1e3ea19b1c95c2f012b8331ffb3b169e4c042 (diff) | |
| download | linux-57cad8084e0837e0f2c97da789ec9b3f36809be9.tar.xz | |
Merge branch 'merge'
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_keys.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_keys.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c index 46773c673a1a..a5ca279370aa 100644 --- a/drivers/infiniband/hw/ipath/ipath_keys.c +++ b/drivers/infiniband/hw/ipath/ipath_keys.c @@ -197,6 +197,21 @@ int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss, size_t off; int ret; + /* + * We use RKEY == zero for physical addresses + * (see ipath_get_dma_mr). + */ + if (rkey == 0) { + sge->mr = NULL; + sge->vaddr = phys_to_virt(vaddr); + sge->length = len; + sge->sge_length = len; + ss->sg_list = NULL; + ss->num_sge = 1; + ret = 1; + goto bail; + } + mr = rkt->table[(rkey >> (32 - ib_ipath_lkey_table_size))]; if (unlikely(mr == NULL || mr->lkey != rkey)) { ret = 0; |