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
>
> Make sure that xen
El 21/04/15 a les 12.36, Stefano Stabellini ha escrit:
> On Tue, 21 Apr 2015, Ian Campbell wrote:
>> On Mon, 2015-04-20 at 18:54 +0100, Stefano Stabellini wrote:
>>> This should definitely be done only on ARM and ARM64, as on x86 PVH
>>> assumes the presence of an IOMMU. We need an ifdef.
>>>
>>> A
On Tue, 21 Apr 2015, Stefano Stabellini wrote:
> On Tue, 21 Apr 2015, Ian Campbell wrote:
> > On Mon, 2015-04-20 at 18:54 +0100, Stefano Stabellini wrote:
> > > This should definitely be done only on ARM and ARM64, as on x86 PVH
> > > assumes the presence of an IOMMU. We need an ifdef.
> > >
> > >
On Tue, 2015-04-21 at 11:36 +0100, Stefano Stabellini wrote:
> On Tue, 21 Apr 2015, Ian Campbell wrote:
> > On Mon, 2015-04-20 at 18:54 +0100, Stefano Stabellini wrote:
> > > This should definitely be done only on ARM and ARM64, as on x86 PVH
> > > assumes the presence of an IOMMU. We need an ifdef
On Tue, 21 Apr 2015, Ian Campbell wrote:
> On Mon, 2015-04-20 at 18:54 +0100, Stefano Stabellini wrote:
> > This should definitely be done only on ARM and ARM64, as on x86 PVH
> > assumes the presence of an IOMMU. We need an ifdef.
> >
> > Also we need to figure out a way to try without GFP_DMA in
On Mon, 2015-04-20 at 18:54 +0100, Stefano Stabellini wrote:
> This should definitely be done only on ARM and ARM64, as on x86 PVH
> assumes the presence of an IOMMU. We need an ifdef.
>
> Also we need to figure out a way to try without GFP_DMA in case no ram
> under 4g is available at all, as som
On Mon, 20 Apr 2015, David Vrabel wrote:
> On 20/04/15 12:07, Chen Baozi wrote:
> > On Mon, Apr 20, 2015 at 11:53:47AM +0100, David Vrabel wrote:
> >> On 20/04/15 11:48, Chen Baozi wrote:
> >>> Make sure that xen_swiotlb_init allocates buffers that is DMA capable.
> >>>
> >>> Signed-off-by: Chen Ba
On 20/04/15 12:07, Chen Baozi wrote:
> On Mon, Apr 20, 2015 at 11:53:47AM +0100, David Vrabel wrote:
>> On 20/04/15 11:48, Chen Baozi wrote:
>>> Make sure that xen_swiotlb_init allocates buffers that is DMA capable.
>>>
>>> Signed-off-by: Chen Baozi
>>> ---
>>> drivers/xen/swiotlb-xen.c | 3 ++-
>
On Mon, Apr 20, 2015 at 11:53:47AM +0100, David Vrabel wrote:
> On 20/04/15 11:48, Chen Baozi wrote:
> > Make sure that xen_swiotlb_init allocates buffers that is DMA capable.
> >
> > Signed-off-by: Chen Baozi
> > ---
> > drivers/xen/swiotlb-xen.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1
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