netdev - Re: question about drivers/net/ethernet/mellanox/mlx4/en

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Message-ID: <alpine.DEB.2.02.1308281447500.2279@hadrien>
Date:	Wed, 28 Aug 2013 14:48:12 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Amir Vadai <amirv@...lanox.com>
cc:	netdev@...r.kernel.org
Subject: Re: question about drivers/net/ethernet/mellanox/mlx4/en_tx.c

On Wed, 28 Aug 2013, Amir Vadai wrote:

> On 27/08/2013 20:07, Julia Lawall wrote:
> > Hello,
> >
> > I was wondering why in drivers/net/ethernet/mellanox/mlx4/en_tx.c there
> > are a number of uses of dma_sync_single_for_cpu without corresponding uses
> > of dma_sync_single_for_device (for example in mlx4_en_rx_skb)?  In most
> > drivers they come together.
> >
> > thanks,
> > julia
> >
>
> Hi Julia,
>
> I guess you meant to en_rx.c and not en_tx.c

Oops, yes.

> It looks like a bug.
> The whole skb buffers allocation and mapping is expected to be
> overhauled soon - and this will be fixed as part of it.

OK, thanks for the explanation.

julia
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