We already do the same in siw_mr_drop_mem().
Fixes: 2251334dcac9 ("rdma/siw: application buffer management")
Signed-off-by: Stefan Metzmacher <metze@xxxxxxxxx>
Cc: Bernard Metzler <bmt@xxxxxxxxxxxxxx>
Cc: linux-rdma@xxxxxxxxxxxxxxx
---
drivers/infiniband/sw/siw/siw_mem.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/siw/siw_mem.c
index 61c17db70d65..8596ce1ef5a3 100644
--- a/drivers/infiniband/sw/siw/siw_mem.c
+++ b/drivers/infiniband/sw/siw/siw_mem.c
@@ -309,6 +309,8 @@ int siw_invalidate_stag(struct ib_pd *pd, u32 stag)
* state if invalidation is requested. So no state check here.
*/
mem->stag_valid = 0;
+ /* make STag invalid visible asap */
+ smp_mb();
siw_dbg_pd(pd, "STag 0x%08x now invalid\n", stag);
out:
--
2.25.1
