None of the rtnl af_ops callbacks sleep, so they can be called while holding rcu read lock.
Switch handling of af_ops to rcu. This would allow to later call af_ops functions without holding the rtnl mutex anymore. core/rtnetlink.c | 134 ++++++++++++++++++++++++++++++++++++------------------- ipv4/devinet.c | 4 - 2 files changed, 90 insertions(+), 48 deletions(-)