On Mon, Apr 24, 2017 at 09:58:23AM -0700, Laura Abbott wrote:
> On 04/21/2017 09:12 AM, Catalin Marinas wrote:
> > On Wed, Mar 29, 2017 at 01:55:32PM +0100, Robin Murphy wrote:
> >> On 29/03/17 11:05, Andrzej Hajda wrote:
> >>> In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
> >>>
On 04/21/2017 09:12 AM, Catalin Marinas wrote:
> On Wed, Mar 29, 2017 at 01:55:32PM +0100, Robin Murphy wrote:
>> On 29/03/17 11:05, Andrzej Hajda wrote:
>>> In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
>>> is invalid. __iommu_mmap_attrs and __iommu_get_sgtable cannot use
>>>
On Wed, Mar 29, 2017 at 01:55:32PM +0100, Robin Murphy wrote:
> On 29/03/17 11:05, Andrzej Hajda wrote:
> > In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
> > is invalid. __iommu_mmap_attrs and __iommu_get_sgtable cannot use
> > it. In first case temporary pages array is passed to
On 30/03/17 12:53, Geert Uytterhoeven wrote:
> Hi Robin,
>
> On Thu, Mar 30, 2017 at 1:46 PM, Robin Murphy wrote:
>> On 30/03/17 12:16, Andrzej Hajda wrote:
>> [...]
>>> I guess Geert's proposition to create pages permanently is also not
>>> acceptable[2]. So how to
Hi Robin,
On Thu, Mar 30, 2017 at 1:46 PM, Robin Murphy wrote:
> On 30/03/17 12:16, Andrzej Hajda wrote:
> [...]
>> I guess Geert's proposition to create pages permanently is also not
>> acceptable[2]. So how to fix crashes which appeared after patch adding
> If
On 30/03/17 12:16, Andrzej Hajda wrote:
[...]
> I guess Geert's proposition to create pages permanently is also not
> acceptable[2]. So how to fix crashes which appeared after patch adding
If I'm not mistaken, creating the pages permanently is what the
!DMA_ATTR_FORCE_CONTIGUOUS
Hi Robin,
On 30.03.2017 12:44, Robin Murphy wrote:
> On 30/03/17 09:30, Andrzej Hajda wrote:
>> On 30.03.2017 09:40, Geert Uytterhoeven wrote:
>>> Hi Andrzej,
>>>
>>> On Thu, Mar 30, 2017 at 8:51 AM, Andrzej Hajda wrote:
On 29.03.2017 17:33, Robin Murphy wrote:
> On
On 30/03/17 09:30, Andrzej Hajda wrote:
> On 30.03.2017 09:40, Geert Uytterhoeven wrote:
>> Hi Andrzej,
>>
>> On Thu, Mar 30, 2017 at 8:51 AM, Andrzej Hajda wrote:
>>> On 29.03.2017 17:33, Robin Murphy wrote:
On 29/03/17 16:12, Andrzej Hajda wrote:
> On 29.03.2017
On 30.03.2017 09:40, Geert Uytterhoeven wrote:
> Hi Andrzej,
>
> On Thu, Mar 30, 2017 at 8:51 AM, Andrzej Hajda wrote:
>> On 29.03.2017 17:33, Robin Murphy wrote:
>>> On 29/03/17 16:12, Andrzej Hajda wrote:
On 29.03.2017 14:55, Robin Murphy wrote:
> On 29/03/17
Hi Andrzej,
On Thu, Mar 30, 2017 at 8:51 AM, Andrzej Hajda wrote:
> On 29.03.2017 17:33, Robin Murphy wrote:
>> On 29/03/17 16:12, Andrzej Hajda wrote:
>>> On 29.03.2017 14:55, Robin Murphy wrote:
On 29/03/17 11:05, Andrzej Hajda wrote:
> In case of
On 29.03.2017 17:33, Robin Murphy wrote:
> On 29/03/17 16:12, Andrzej Hajda wrote:
>> On 29.03.2017 14:55, Robin Murphy wrote:
>>> On 29/03/17 11:05, Andrzej Hajda wrote:
In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
is invalid. __iommu_mmap_attrs and
On 29/03/17 16:12, Andrzej Hajda wrote:
> On 29.03.2017 14:55, Robin Murphy wrote:
>> On 29/03/17 11:05, Andrzej Hajda wrote:
>>> In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
>>> is invalid. __iommu_mmap_attrs and __iommu_get_sgtable cannot use
>>> it. In first case temporary
Hi Andrzej,
On Wed, Mar 29, 2017 at 12:05 PM, Andrzej Hajda wrote:
> In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
> is invalid. __iommu_mmap_attrs and __iommu_get_sgtable cannot use
> it. In first case temporary pages array is passed to iommu_dma_mmap,
>
On 29/03/17 11:05, Andrzej Hajda wrote:
> In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
> is invalid. __iommu_mmap_attrs and __iommu_get_sgtable cannot use
> it. In first case temporary pages array is passed to iommu_dma_mmap,
> in 2nd case single entry sg table is created
In case of DMA_ATTR_FORCE_CONTIGUOUS allocations vm_area->pages
is invalid. __iommu_mmap_attrs and __iommu_get_sgtable cannot use
it. In first case temporary pages array is passed to iommu_dma_mmap,
in 2nd case single entry sg table is created directly instead
of calling helper.
Fixes: 44176bb
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