On Mon, 2017-06-12 at 10:36 +0300, Leon Romanovsky wrote: > From: Majd Dibbiny <majd@xxxxxxxxxxxx> > > When we have a miss in one order of the mkey cache, we try to get > an mkey from a higher order. > > We still need to check that the higher order can be used with UMR > before using it. Otherwise, we will get an mkey with 0 entries and > the post send operation that is used to fill it will complete with > the following error: > > mlx5_0:dump_cqe:275:(pid 0): dump error cqe > 00000000 00000000 00000000 00000000 > 00000000 00000000 00000000 00000000 > 00000000 0f007806 25000025 49ce59d2 > > Fixes: 49780d42dfc9 ("IB/mlx5: Expose MR cache for mlx5_ib") > Cc: <stable@xxxxxxxxxxxxxxx> # v4.10+ > Signed-off-by: Majd Dibbiny <majd@xxxxxxxxxxxx> > Reviewed-by: Ilya Lesokhin <ilyal@xxxxxxxxxxxx> > Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Thanks, applied. -- Doug Ledford <dledford@xxxxxxxxxx> GPG KeyID: B826A3330E572FDD Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD