netdev - Re: [PATCH net v2] net: openvswitch: silence suspicious RCU usage warning

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Date:   Tue, 3 Nov 2020 17:00:25 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Eelco Chaudron <echaudro@...hat.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, dev@...nvswitch.org
Subject: Re: [PATCH net v2] net: openvswitch: silence suspicious RCU usage
 warning

On Tue,  3 Nov 2020 09:25:49 +0100 Eelco Chaudron wrote:
> Silence suspicious RCU usage warning in ovs_flow_tbl_masks_cache_resize()
> by replacing rcu_dereference() with rcu_dereference_ovsl().
> 
> In addition, when creating a new datapath, make sure it's configured under
> the ovs_lock.
> 
> Fixes: 9bf24f594c6a ("net: openvswitch: make masks cache size configurable")
> Reported-by: syzbot+9a8f8bfcc56e8578016c@...kaller.appspotmail.com
> Signed-off-by: Eelco Chaudron <echaudro@...hat.com>
> ---
> v2: - Moved local variable initialization above lock
>     - Renamed jump label to indicate unlocking

Applied, thanks!