Messages in this thread | | | Date | Thu, 23 Apr 2015 10:33:08 +0800 | From | Chen Baozi <> | Subject | Re: [Xen-devel] [PATCH] xen: Add __GFP_DMA flag when xen_swiotlb_init gets free pages. |
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On Tue, Apr 21, 2015 at 12:11:01PM +0100, Stefano Stabellini wrote: > Chen, > could you please try the patch below in your repro scenario? > I have only build tested it. > > --- > > xen: Add __GFP_DMA flag when xen_swiotlb_init gets free pages on ARM > > From: Chen Baozi <baozich@gmail.com> > > Make sure that xen_swiotlb_init allocates buffers that are DMA capable > when at least one memblock is available below 4G. Otherwise we assume > that all devices on the SoC can cope with >4G addresses. > > No functional changes on x86. > > Signed-off-by: Chen Baozi <baozich@gmail.com> > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Chen Baozi <baozich@gmail.com>
Cheers,
Baozi
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