Re: [PATCH] bpf: devmap: Pass lockdep expression to RCU lists

From: Daniel Borkmann
Date: Thu Jan 23 2020 - 10:59:23 EST


On 1/23/20 2:38 PM, Toke HÃiland-JÃrgensen wrote:
Amol Grover <frextrite@xxxxxxxxx> writes:

head is traversed using hlist_for_each_entry_rcu outside an
RCU read-side critical section but under the protection
of dtab->index_lock.

Hence, add corresponding lockdep expression to silence false-positive
lockdep warnings, and harden RCU lists.

Signed-off-by: Amol Grover <frextrite@xxxxxxxxx>

Could you please add an appropriate Fixes: tag?

+1, please reply with Fixes: tag (no need to resend).