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authorYongseok Koh <yskoh@mellanox.com>2019-04-01 14:17:55 -0700
committerFerruh Yigit <ferruh.yigit@intel.com>2019-04-05 17:45:22 +0200
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net/mlx5: enable secondary process to register DMA memory
The Memory Region (MR) for DMA memory can't be created from secondary process due to lib/driver limitation. Whenever it is needed, secondary process can make a request to primary process through the EAL IPC channel (rte_mp_msg) which is established on initialization. Once a MR is created by primary process, it is immediately visible to secondary process because the MR list is global per a device. Thus, secondary process can look up the list after the request is successfully returned. Signed-off-by: Yongseok Koh <yskoh@mellanox.com> Acked-by: Shahaf Shuler <shahafs@mellanox.com>
Diffstat (limited to 'doc/guides/nics/mlx5.rst')
-rw-r--r--doc/guides/nics/mlx5.rst1
1 files changed, 0 insertions, 1 deletions
diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index e5e3d90..5fa6b62 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -85,7 +85,6 @@ Limitations
- For secondary process:
- Forked secondary process not supported.
- - All mempools must be initialized before rte_eth_dev_start().
- External memory unregistered in EAL memseg list cannot be used for DMA
unless such memory has been registered by ``mlx5_mr_update_ext_mp()`` in
primary process and remapped to the same virtual address in secondary