Eric Dumazet says:
====================
net/sched: tc_dump_qdisc() optimizations
Before converting tc_dump_qdisc() to RCU, we make the following changes:
- Use for_each_netdev_dump() instead of for_each_netdev()
- Only dump qdiscs of a single device at user space request.
====================
Link: https://patch.msgid.link/20260430023628.3216283-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>