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| author | Jiri Pirko <jiri@nvidia.com> | 2023-10-13 14:10:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-18 09:23:01 +0100 |
| commit | bb11cf9b2c4a21f6d1533ffd28feb0ef1fd659bb (patch) | |
| tree | cded6f8d7b970640e16e8941756535f5089a5817 /Documentation/networking | |
| parent | b6f23b319aadae50a03b06c3067bc7e4a659e43b (diff) | |
| download | linux-bb11cf9b2c4a21f6d1533ffd28feb0ef1fd659bb.tar.gz | |
Documentation: devlink: add a note about RTNL lock into locking section
Add a note describing the locking order of taking RTNL lock with devlink
instance lock.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/devlink/index.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst index 52e52a1b603dfd..2884ad243b54b4 100644 --- a/Documentation/networking/devlink/index.rst +++ b/Documentation/networking/devlink/index.rst @@ -18,6 +18,10 @@ netlink commands. Drivers are encouraged to use the devlink instance lock for their own needs. +Drivers need to be cautious when taking devlink instance lock and +taking RTNL lock at the same time. Devlink instance lock needs to be taken +first, only after that RTNL lock could be taken. + Nested instances ---------------- |