From: Jérôme Glisse <[email protected]> All pieces are in place for ODP (on demand paging) to work using HMM.
Signed-off-by: Jérôme Glisse <[email protected]> cc: <[email protected]> --- drivers/infiniband/core/uverbs_cmd.c | 4 ---- drivers/infiniband/hw/mlx5/main.c | 6 +++++- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 3225ab5..16520bd 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3340,9 +3340,6 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, goto end; #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING -#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM -#error "CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM not supported at this stage !" -#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM */ resp.odp_caps.general_caps = attr.odp_caps.general_caps; resp.odp_caps.per_transport_caps.rc_odp_caps = attr.odp_caps.per_transport_caps.rc_odp_caps; @@ -3351,7 +3348,6 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, resp.odp_caps.per_transport_caps.ud_odp_caps = attr.odp_caps.per_transport_caps.ud_odp_caps; resp.odp_caps.reserved = 0; -#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM */ #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ memset(&resp.odp_caps, 0, sizeof(resp.odp_caps)); #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index eddabf0..cff70a2 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -157,7 +157,11 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM -#error "CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM not supported at this stage !" + if ((dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG) && + ibdev->hmm_ready) { + props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; + props->odp_caps = dev->odp_caps; + } #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM */ if (dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG) props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
