netdev - Re: [PATCH net-next #2 1/1] pch_gbe: replace private tx ring lock with common netif_tx

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Message-Id: <20160428.172156.82071103410592107.davem@davemloft.net>
Date:	Thu, 28 Apr 2016 17:21:56 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	romieu@...zoreil.com
Cc:	netdev@...r.kernel.org, nikolay@...ulusnetworks.com,
	dvhart@...radead.org, andy.cress@...kontron.com,
	bryan@...setcon.org
Subject: Re: [PATCH net-next #2 1/1] pch_gbe: replace private tx ring lock
 with common netif_tx_lock

From: Francois Romieu <romieu@...zoreil.com>
Date: Wed, 27 Apr 2016 23:29:44 +0200

> pch_gbe_tx_ring.tx_lock is only used in the hard_xmit handler and
> in the transmit completion reaper called from NAPI context.
> 
> Compile-tested only. Potential victims Cced.
> 
> Someone more knowledgeable may check if pch_gbe_tx_queue could
> have some use for a mmiowb.
> 
> Signed-off-by: Francois Romieu <romieu@...zoreil.com>
> Cc: Darren Hart <dvhart@...radead.org>
> Cc: Andy Cress <andy.cress@...kontron.com>
> Cc: bryan@...setcon.org
> 
> ---
>  Includes Nikolay's fix.

Applied, thank you.