On 1/15/21 4:56 PM, Chris Wilson wrote:
> Quoting Jinoh Kang (2021-01-15 16:23:31)
>> If GUP-ineligible pages are passed to a GEM userptr object, -EFAULT is
>> returned only when the object is actually bound.
>>
>> The xf86-video-intel userspace driver cannot different
On 1/15/21 5:07 PM, Chris Wilson wrote:
> Quoting Chris Wilson (2021-01-15 16:56:42)
>> Quoting Jinoh Kang (2021-01-15 16:23:31)
>>> If GUP-ineligible pages are passed to a GEM userptr object, -EFAULT is
>>> returned only when the object is actually bound.
>>>
om Xen guest to dom0. These pages are not
GUP-able, but they cannot be exposed via DMA-BUF either. Previously
this issue had gone somehow undetected, until some patch between
v4.14 and v4.19 triggered it.
Signed-off-by: Jinoh Kang
Cc: Marek Marczykowski-Górecki
Cc: Jani Nikula
Cc: Joonas L
