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 <baoz...@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 <baoz...@gmail.com> > Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
Tested-by: Chen Baozi <baoz...@gmail.com> Cheers, Baozi _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel