Re: [Xen-devel] [PATCH v8 04/13] arm64: introduce is_device_dma_coherent

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 10 Nov 2014, Catalin Marinas wrote:
> On Mon, Nov 10, 2014 at 04:13:56PM +0000, 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>
> 
> BTW, why do I sign off this patch? As long as it's you as author, I
> don't think you should add my sign-off.

IANAL but as you wrote most of the code in the patch, I think that your
Signed-off-by is required because the lines you wrote are under your
copyright, not mine. TBH for such a small patch, it probably doesn't
matter (there is a limit to what one can claim copyright on).

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