From: David Miller <davem@davemloft.net>
To: vladbu@mellanox.com
Cc: netdev@vger.kernel.org, jhs@mojatatu.com,
xiyou.wangcong@gmail.com, jiri@resnulli.us
Subject: Re: [PATCH net v3 0/3] Fix Qdisc destroy issues caused by adding fine-grained locking to filter API
Date: Fri, 27 Sep 2019 12:15:29 +0200 (CEST) [thread overview]
Message-ID: <20190927.121529.168532780904459510.davem@davemloft.net> (raw)
In-Reply-To: <20190924155118.2488-1-vladbu@mellanox.com>
From: Vlad Buslov <vladbu@mellanox.com>
Date: Tue, 24 Sep 2019 18:51:15 +0300
> TC filter API unlocking introduced several new fine-grained locks. The
> change caused sleeping-while-atomic BUGs in several Qdiscs that call cls
> APIs which need to obtain new mutex while holding sch tree spinlock. This
> series fixes affected Qdiscs by ensuring that cls API that became sleeping
> is only called outside of sch tree lock critical section.
Series applied.
prev parent reply other threads:[~2019-09-27 10:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-24 15:51 [PATCH net v3 0/3] Fix Qdisc destroy issues caused by adding fine-grained locking to filter API Vlad Buslov
2019-09-24 15:51 ` [PATCH net v3 1/3] net: sched: sch_htb: don't call qdisc_put() while holding tree lock Vlad Buslov
2019-09-24 15:51 ` [PATCH net v3 2/3] net: sched: multiq: " Vlad Buslov
2019-09-24 15:51 ` [PATCH net v3 3/3] net: sched: sch_sfb: " Vlad Buslov
2019-09-24 16:42 ` [PATCH net v3 0/3] Fix Qdisc destroy issues caused by adding fine-grained locking to filter API Cong Wang
2019-09-27 10:15 ` David Miller [this message]
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