linux-kernel - Re: [PATCH net] rds: Fix non-atomic operation on shared flag variable

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Date:   Tue, 05 Sep 2017 14:50:00 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     Haakon.Bugge@...cle.com
Cc:     santosh.shilimkar@...cle.com, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, rds-devel@....oracle.com,
        linux-kernel@...r.kernel.org, knut.omang@...cle.com,
        wei.lin.guay@...cle.com
Subject: Re: [PATCH net] rds: Fix non-atomic operation on shared flag
 variable

From: Håkon Bugge <Haakon.Bugge@...cle.com>
Date: Tue,  5 Sep 2017 17:42:01 +0200

> The bits in m_flags in struct rds_message are used for a plurality of
> reasons, and from different contexts. To avoid any missing updates to
> m_flags, use the atomic set_bit() instead of the non-atomic equivalent.
> 
> Signed-off-by: Håkon Bugge <haakon.bugge@...cle.com>
> Reviewed-by: Knut Omang <knut.omang@...cle.com>
> Reviewed-by: Wei Lin Guay <wei.lin.guay@...cle.com>

Applied.