linux-kernel - Re: backport a4dba130891271084344c12537731542ec77cb85 to 3.16+

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Date:	Tue, 27 Jan 2015 16:10:38 -0800
From:	Greg KH <greg@...ah.com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	stable@...r.kernel.org, linux-kernel@...r.kernel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	xen-devel@...ts.xensource.com, catalin.marinas@....com,
	Ian Campbell <ian.campbell@...rix.com>
Subject: Re: backport a4dba130891271084344c12537731542ec77cb85 to 3.16+

On Mon, Jan 12, 2015 at 06:09:33PM +0000, Stefano Stabellini wrote:
> Hi all,
> I would like to request a backport of the following commit:
> 
> 
> commit a4dba130891271084344c12537731542ec77cb85
> Author: Stefano Stabellini <stefano.stabellini@...citrix.com>
> Date:   Fri Nov 21 11:07:39 2014 +0000
> 
>     xen/arm/arm64: introduce xen_arch_need_swiotlb
> 
> 
> to stable trees from 3.16 onward (3.16 included).
> 
> 
> The commit needs to be slightly modified because is_device_dma_coherent
> is not available on kernels < 3.19, so I just removed the call,
> thus assuming that the device is not coherent on arm (slower but safe):

A diff of a diff is hard to apply, please send the reworked patch in a
format that I can apply it in.

thanks,

greg k-h
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