From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: syzbot <syzbot+c68e51bb5e699d3f8d91@syzkaller.appspotmail.com>,
davem@davemloft.net, linux-kernel@vger.kernel.org,
linux-rdma@vger.kernel.org, netdev@vger.kernel.org,
rds-devel@oss.oracle.com, santosh.shilimkar@oracle.com,
syzkaller-bugs@googlegroups.com
Subject: Re: WARNING in __local_bh_enable_ip (2)
Date: Wed, 14 Mar 2018 17:33:54 -0400 [thread overview]
Message-ID: <20180314213354.GH24557@oracle.com> (raw)
In-Reply-To: <1686ceff-9b7e-592e-8607-b3b8add6a6a3@gmail.com>
On (03/14/18 14:28), Eric Dumazet wrote:
>
>
> spin_lock_bh(&rds_tcp_conn_lock);/spin_unlock_bh(&rds_tcp_conn_lock); in
> rds_tcp_conn_free()
>
> is in conflict with the spin_lock_irqsave(&rds_conn_lock, flags);
> in __rds_conn_create()
yes I was going to look into this and fix it later.
> Hard to understand why RDS is messing with hard irqs really.
some of it comes from the rds_rdma history: some parts of
the common rds and rds_rdma module get called in various
driver contexts for infiniband.
--Sowmini
prev parent reply other threads:[~2018-03-14 21:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <001a113de654ad181e056764f936@google.com>
2018-03-14 21:28 ` WARNING in __local_bh_enable_ip (2) Eric Dumazet
2018-03-14 21:33 ` Sowmini Varadhan [this message]
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