Re: [PATCH v2] gpu: drm: omapdrm: Adding new typedef vm_fault_t

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On Fri, Jun 8, 2018 at 11:47 AM, Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote:
> Hi,
>
> On 22/05/18 21:13, Souptick Joarder wrote:
>> Use new return type vm_fault_t for fault handler. For
>> now, this is just documenting that the function returns
>> a VM_FAULT value rather than an errno. Once all instances
>> are converted, vm_fault_t will become a distinct type.
>>
>> Ref-> commit 1c8f422059ae ("mm: change return type to vm_fault_t")
>>
>> Previously vm_insert_mixed() returns err which driver
>> mapped into VM_FAULT_* type. Also return value of
>> vm_insert_mixed() not handled correctly and 0 was
>> returned inside fault_2d() as default. The new function
>> vmf_insert_mixed() will replace this inefficiency by
>> returning correct VM_FAULT_* type.
>>
>> vmf_error() is the newly introduce inline function
>> in 4.17-rc6.
>>
>> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
>> Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
>> ---
>> v2: Fixed kbuild error by initialized ret
>>     in fault_2d().
>>
>>  drivers/gpu/drm/omapdrm/omap_gem.c | 51 +++++++++++++++++---------------------
>>  drivers/gpu/drm/omapdrm/omap_gem.h |  3 ++-
>>  2 files changed, 25 insertions(+), 29 deletions(-)
>
> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
>
> It's too late to get this to 4.18 via my normal routes. If you have
> other similar patches queued and Linus/maintainers are ok to merge this
> late, feel free to queue this that way.
>
> Otherwise I can pick this up for my 4.19 patches.
>

4.19 looks ok. In case, we have pushed this patch into 4.18-rc-x along
with few others, will notify you.
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