From: David S. Miller Date: Fri, 14 May 2021 22:05:46 +0000 (-0700) Subject: Merge branch 'lockless-qdisc-packet-stuck' X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a0c5393d5bacbed827ce3e45f53751d2f55d6f6a;p=linux.git Merge branch 'lockless-qdisc-packet-stuck' Yunsheng Lin says: ==================== ix packet stuck problem for lockless qdisc 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 as suggested by Jakub and fix some typo in patch 3, adjust commit log in patch 2, and add Acked-by from Jakub. 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 ==================== Signed-off-by: David S. Miller --- a0c5393d5bacbed827ce3e45f53751d2f55d6f6a