Re: [Xen-devel] [PATCH v7 3/8] arm64: introduce is_device_dma_coherent

[Will Deacon <will.deacon@xxxxxxx>]

On Mon, Nov 03, 2014 at 10:46:03AM +0000, Stefano Stabellini wrote:
> On Mon, 27 Oct 2014, Stefano Stabellini wrote:
> > Introduce a boolean flag and an accessor function to check whether a
> > device is dma_coherent. Set the flag from set_arch_dma_coherent_ops.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
> > CC: will.deacon@xxxxxxx
> 
> Will, Catalin,
> are you OK with this patch?

It would be nicer if the dma_coherent flag didn't have to be duplicated by
each architecture in dev_archdata. Is there any reason not to put it in the
core code?

Will

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