From: Eric Dumazet <eric.dumazet@gmail.com>
To: Yunsheng Lin <linyunsheng@huawei.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>,
Jiri Pirko <jiri@resnulli.us>, David Miller <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linuxarm@huawei.com
Subject: Re: [PATCH net-next] net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc
Date: Thu, 3 Sep 2020 09:24:50 +0200 [thread overview]
Message-ID: <1c01f9e0-fde4-a8ee-caa3-598738a9a98d@gmail.com> (raw)
In-Reply-To: <041539d7-fb42-908d-5638-49ca51d758f1@huawei.com>
On 9/2/20 6:14 PM, Yunsheng Lin wrote:
>
> It seems semantics for some_qdisc_is_busy() is changed, which does not only do
> the checking, but also do the reseting?
Yes, obviously, we would have to rename to a better name.
>
> Also, qdisc_reset() could be called multi times for the same qdisc if some_qdisc_is_busy()
> return true multi times?
This should not matter, qdisc_reset() can be called multiple times,
as we also call it from qdisc_destroy() anyway.
next prev parent reply other threads:[~2020-09-03 7:25 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-01 0:55 [PATCH net-next] net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc Yunsheng Lin
2020-09-01 6:48 ` Eric Dumazet
2020-09-01 7:27 ` Yunsheng Lin
2020-09-01 18:34 ` David Miller
2020-09-02 1:43 ` Yunsheng Lin
2020-09-01 18:24 ` Cong Wang
2020-09-02 1:42 ` Yunsheng Lin
2020-09-02 4:41 ` Cong Wang
2020-09-02 6:34 ` Yunsheng Lin
2020-09-02 7:32 ` Eric Dumazet
2020-09-02 8:14 ` Yunsheng Lin
2020-09-02 9:20 ` Eric Dumazet
2020-09-03 1:14 ` Yunsheng Lin
2020-09-03 7:24 ` Eric Dumazet [this message]
2020-09-04 8:10 ` Yunsheng Lin
2020-09-03 0:35 ` Cong Wang
2020-09-03 1:21 ` Yunsheng Lin
2020-09-03 1:48 ` Cong Wang
2020-09-03 2:22 ` Yunsheng Lin
2020-09-03 2:53 ` Cong Wang
2020-09-04 1:30 ` John Fastabend
2020-09-04 8:08 ` Yunsheng Lin
2020-09-06 8:52 ` [net] 6fd0d0dede: hwsim.ap_ht40_5ghz_switch.fail kernel test robot
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