[ofa-general] mthca issues -need help

[Roland Dreier]

Err, new better patch for real:

diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index fdb576d..3aaf41b 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -355,7 +355,8 @@ int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
 	int size = mthca_write_mtt_size(dev);
 	int chunk;
 
-	if (dev->mr_table.fmr_mtt_buddy != &dev->mr_table.mtt_buddy)
+	if (dev->mr_table.fmr_mtt_buddy != &dev->mr_table.mtt_buddy ||
+	    (!mthca_is_memfree(dev) && (dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)))
 		return __mthca_write_mtt(dev, mtt, start_index, buffer_list, list_len);
 
 	while (list_len > 0) {