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Documentation: devlink: add a note about RTNL lock into locking section

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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>
This commit is contained in:
Jiri Pirko 2023-10-13 14:10:28 +02:00 committed by David S. Miller
parent b6f23b319a
commit bb11cf9b2c
1 changed files with 4 additions and 0 deletions
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4
Documentation/networking/devlink/index.rst
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@ -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
----------------