From: David Miller <davem@davemloft.net>
To: stephen@networkplumber.org
Cc: netdev@vger.kernel.org, sthemmin@microsoft.com
Subject: Re: [PATCH net] netvsc: add rcu_read locking to netvsc callback
Date: Tue, 10 Jan 2017 21:06:21 -0500 (EST) [thread overview]
Message-ID: <20170110.210621.1899425596662682692.davem@davemloft.net> (raw)
In-Reply-To: <20170110155016.4897-1-sthemmin@microsoft.com>
From: Stephen Hemminger <stephen@networkplumber.org>
Date: Tue, 10 Jan 2017 07:50:16 -0800
> Lockdep finds a case where netvsc receive processing is incorrectly
> assuming it is in RCU safe zone. The driver is using RCU to handle
> VF reference but RCU read lock not held.
>
> Fixes 0c9d3ba9a87b ("hv_netvsc: use RCU to protect vf_netdev")
>
> Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Fixes tag must have a colon character after "Fixes", you must also
not put any empty lines in between the Fixes tag and the other
tags like signoffs.
Futhermore 0c9d3ba9a87b is not a valid GIT SHA1 ID.
[davem@kkuri net]$ git describe 0c9d3ba9a87b
fatal: Not a valid object name 0c9d3ba9a87b
prev parent reply other threads:[~2017-01-11 2:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-10 15:50 [PATCH net] netvsc: add rcu_read locking to netvsc callback Stephen Hemminger
2017-01-11 2:06 ` David Miller [this message]
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