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Re: [Xen-devel] [PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
- To: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
- From: "Yang, Philip" <Philip.Yang@xxxxxxx>
- Date: Fri, 1 Nov 2019 14:44:51 +0000
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- Delivery-date: Fri, 01 Nov 2019 14:45:00 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
On 2019-10-29 3:25 p.m., Jason Gunthorpe wrote:
> On Tue, Oct 29, 2019 at 07:22:37PM +0000, Yang, Philip wrote:
>> Hi Jason,
>>
>> I did quick test after merging amd-staging-drm-next with the
>> mmu_notifier branch, which includes this set changes. The test result
>> has different failures, app stuck intermittently, GUI no display etc. I
>> am understanding the changes and will try to figure out the cause.
>
> Thanks! I'm not surprised by this given how difficult this patch was
> to make. Let me know if I can assist in any way
>
> Please ensure to run with lockdep enabled.. Your symptops sounds sort
> of like deadlocking?
>
Hi Jason,
Attached patch fix several issues in amdgpu driver, maybe you can squash
this into patch 14. With this is done, patch 12, 13, 14 is Reviewed-by
and Tested-by Philip Yang <philip.yang@xxxxxxx>
Regards,
Philip
> Regards,
> Jason
>
Attachment:
0001-drm-amdgpu-issues-with-new-mmu_range_notifier-api.patch
Description: 0001-drm-amdgpu-issues-with-new-mmu_range_notifier-api.patch
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