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Re: [Xen-devel] [PATCH v4 4/7] xen/arm: use is_dma_coherent

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Mon, 20 Oct 2014 16:18:31 +0100
Cc: linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, david.vrabel@xxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Mon, 20 Oct 2014 15:18:50 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Fri, 2014-10-10 at 12:51 +0100, Stefano Stabellini wrote:
> Use is_dma_coherent to check whether we need to issue cache maintenance
> operations rather than checking on the existence of a particular
> dma_ops function for the device.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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References:
- [Xen-devel] [PATCH v4 0/7] introduce GNTTABOP_cache_flush
  - From: Stefano Stabellini
- [Xen-devel] [PATCH v4 4/7] xen/arm: use is_dma_coherent
  - From: Stefano Stabellini

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