> On 12/09/2016 02:07 AM, Jerome Glisse wrote:
> >> On 12/08/2016 08:39 AM, Jerome Glisse wrote:
> > >> On 12/08/2016 08:39 AM, Jérôme Glisse wrote:
> >>> > >>> > > Architecture that wish to support un-addressable device
> >>> > >>> > > memory should
> >>> > >>> > > make
> >>>
On 12/09/2016 02:07 AM, Jerome Glisse wrote:
>> On 12/08/2016 08:39 AM, Jerome Glisse wrote:
> >> On 12/08/2016 08:39 AM, Jérôme Glisse wrote:
>>> > >>> > > Architecture that wish to support un-addressable device
>>> > >>> > > memory should
>>> > >>> > > make
>>> > >>> > > sur
> On 12/08/2016 08:39 AM, Jerome Glisse wrote:
> >> On 12/08/2016 08:39 AM, Jérôme Glisse wrote:
> >>> > > Architecture that wish to support un-addressable device memory should
> >>> > > make
> >>> > > sure to never populate the kernel linar mapping for the physical
> >>> > > range.
> >> >
> >> >
On 12/08/2016 08:39 AM, Jerome Glisse wrote:
>> On 12/08/2016 08:39 AM, Jérôme Glisse wrote:
>>> > > Architecture that wish to support un-addressable device memory should
>>> > > make
>>> > > sure to never populate the kernel linar mapping for the physical range.
>> >
>> > Does the platform someh
> On 12/08/2016 08:39 AM, Jérôme Glisse wrote:
> > Architecture that wish to support un-addressable device memory should make
> > sure to never populate the kernel linar mapping for the physical range.
>
> Does the platform somehow provide a range of physical addresses for this
> unaddressable are
On 12/08/2016 08:39 AM, Jérôme Glisse wrote:
> Architecture that wish to support un-addressable device memory should make
> sure to never populate the kernel linar mapping for the physical range.
Does the platform somehow provide a range of physical addresses for this
unaddressable area? How do w
This add support for un-addressable device memory. Such memory is hotpluged
only so we can have struct page but we should never map them as such memory
can not be accessed by CPU. For that reason it uses a special swap entry for
CPU page table entry.
This patch implement all the logic from special
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