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Date: Thu, 20 May 2021 17:27:50 +0800 From: Yunsheng Lin <linyunsheng@...wei.com> To: <davem@...emloft.net>, <kuba@...nel.org> CC: <olteanv@...il.com>, <ast@...nel.org>, <daniel@...earbox.net>, <andriin@...com>, <edumazet@...gle.com>, <weiwan@...gle.com>, <cong.wang@...edance.com>, <ap420073@...il.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linuxarm@...neuler.org>, <mkl@...gutronix.de>, <linux-can@...r.kernel.org>, <jhs@...atatu.com>, <xiyou.wangcong@...il.com>, <jiri@...nulli.us>, <andrii@...nel.org>, <kafai@...com>, <songliubraving@...com>, <yhs@...com>, <john.fastabend@...il.com>, <kpsingh@...nel.org>, <bpf@...r.kernel.org>, <jonas.bonn@...rounds.com>, <pabeni@...hat.com>, <mzhivich@...mai.com>, <johunt@...mai.com>, <albcamus@...il.com>, <kehuan.feng@...il.com>, <a.fatoum@...gutronix.de>, <atenart@...nel.org>, <alexander.duyck@...il.com>, <hdanton@...a.com>, <jgross@...e.com>, <JKosina@...e.com>, <mkubecek@...e.cz>, <bjorn@...nel.org>, <alobakin@...me> Subject: [PATCH RFC v4 0/3] Some optimization for lockless qdisc Patch 1: remove unnecessary seqcount operation. Patch 2: implement TCQ_F_CAN_BYPASS. Patch 3: remove qdisc->empty. RFC v4: Use STATE_MISSED and STATE_DRAINING to indicate non-empty qdisc, and add patch 1 and 3. Yunsheng Lin (3): net: sched: avoid unnecessary seqcount operation for lockless qdisc net: sched: implement TCQ_F_CAN_BYPASS for lockless qdisc net: sched: remove qdisc->empty for lockless qdisc include/net/sch_generic.h | 26 +++++++++++++------------- net/core/dev.c | 22 ++++++++++++++++++++-- net/sched/sch_generic.c | 23 ++++++++++++++++------- 3 files changed, 49 insertions(+), 22 deletions(-) -- 2.7.4
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