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Date:   Wed, 05 Aug 2020 11:00:37 +0200
From:   Paolo Abeni <>
Subject: Re: [PATCH] net: openvswitch: silence suspicious RCU usage warning

On Wed, 2020-08-05 at 15:19 +0800, wrote:
> From: Tonghao Zhang <>
> ovs_flow_tbl_destroy always is called from RCU callback
> or error path. It is no need to check if rcu_read_lock
> or lockdep_ovsl_is_held was held.
> ovs_dp_cmd_fill_info always is called with ovs_mutex,
> So use the rcu_dereference_ovsl instead of rcu_dereference
> in ovs_flow_tbl_masks_cache_size.
> Fixes: 9bf24f594c6a ("net: openvswitch: make masks cache size configurable")
> Cc: Eelco Chaudron <>
> Reported-by:
> Reported-by:
> Signed-off-by: Tonghao Zhang <>

Acked-by: Paolo Abeni <>

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