[Linux-kernel-mentees] [PATCH] net: core: devlink.c: Use built-in RCU list checking

Jiri Pirko jiri at resnulli.us
Tue Feb 25 13:06:46 UTC 2020

Tue, Feb 25, 2020 at 01:27:45PM CET, madhuparnabhowmik10 at gmail.com wrote:
>From: Madhuparna Bhowmik <madhuparnabhowmik10 at gmail.com>
>list_for_each_entry_rcu() has built-in RCU and lock checking.
>Pass cond argument to list_for_each_entry_rcu() to silence
>false lockdep warning when CONFIG_PROVE_RCU_LIST is enabled.
>The devlink->lock is held when devlink_dpipe_table_find()
>is called in non RCU read side section. Therefore, pass struct devlink
>to devlink_dpipe_table_find() for lockdep checking.
>Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10 at gmail.com>

Reviewed-by: Jiri Pirko <jiri at mellanox.com>

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