Merge branch 'net-sched-sch_cake-annotate-data-races-in-cake_dump_class_stats-series'

Eric Dumazet says:

====================
net/sched: sch_cake: annotate data-races in cake_dump_class_stats (series)

cake_dump_class_stats() runs without qdisc spinlock being held.

In this series (of two), I add READ_ONCE()/WRITE_ONCE() annotations for:

- flow->head
- flow->dropped
- b->backlogs[]
- flow->deficit
- flow->cvars.dropping
- flow->cvars.count
- flow->cvars.p_drop
- flow->cvars.blue_timer
- flow->cvars.drop_next
====================

Link: https://patch.msgid.link/20260430061610.3503483-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>