Subject: Re: WARNING in __local_bh_enable_ip (2)

From: Sowmini Varadhan <[email-masked]>
Date: Wed, 14 Mar 2018 17:33:54 -0400

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