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
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
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.
>>>
>>>
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
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
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
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 some
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.
Also we need to
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 case no
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.
Also we need
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
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
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 baoz...@gmail.com
---
drivers/xen/swiotlb-xen.c | 3 ++-
1 file changed, 2
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 baoz...@gmail.com
---
drivers/xen/swiotlb-xen.c | 3 ++-
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 Baozi
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