On 2021/5/14 10:26, Yunsheng Lin wrote: > This patchset fixes the packet stuck problem mentioned in [1]. > > Patch 1: Add STATE_MISSED flag to fix packet stuck problem. > Patch 2: Fix a tx_action rescheduling problem after STATE_MISSED > flag is added in patch 1. > Patch 3: Fix the significantly higher CPU consumption problem when > multiple threads are competing on a saturated outgoing > device. > > V8: Change function name in patch 3 as suggested by Jakub, adjust > commit log in patch 2, and add Acked-by from Jakub. Please ignore this patchset, there is some typo in patch 3. > V7: Fix netif_tx_wake_queue() data race noted by Jakub. > V6: Some performance optimization in patch 1 suggested by Jakub > and drop NET_XMIT_DROP checking in patch 3. > V5: add patch 3 to fix the problem reported by Michal Kubecek. > V4: Change STATE_NEED_RESCHEDULE to STATE_MISSED and add patch 2. > > [1]. https://lkml.org/lkml/2019/10/9/42 > > Yunsheng Lin (3): > net: sched: fix packet stuck problem for lockless qdisc > net: sched: fix tx action rescheduling issue during deactivation > net: sched: fix tx action reschedule issue with stopped queue > > include/net/pkt_sched.h | 7 +------ > include/net/sch_generic.h | 35 ++++++++++++++++++++++++++++++++- > net/core/dev.c | 29 ++++++++++++++++++++++----- > net/sched/sch_generic.c | 50 +++++++++++++++++++++++++++++++++++++++++++++-- > 4 files changed, 107 insertions(+), 14 deletions(-) >
