Re: [PATCH 1/1] iommu/amd: Use delayed mmu release notifier

[Oded Gabbay]

On 11/06/2014 03:33 PM, Joerg Roedel wrote:
> On Sat, Oct 18, 2014 at 12:43:27AM +0300, Oded Gabbay wrote:
>> 3. Later, amdkfd's mmu notifier callback (kfd_process_notifier_release()) gets
>>    called and releases more things that are related to the process.
>>    In that function, amd_iommu_unbind_pasid() is explicitly called.
> 
> Can't you just register a delayed funtion in
> kfd_process_notifier_release() and call amd_iommu_unbind_pasid() from
> there? 
OK, I implemented that and I don't need to change the IOMMUv2 code anymore.
So, I think we can conclude this discussion at this point :)

	Oded

I really hate to make that part of the IOMMUv2 driver API,
> especially since it is going to be turned into a generic IOMMU-API
> extension.
> 
> And especially since all these hacks could be avoided if the KFD driver
> would just turn down everything on closing the file descriptor.
> 
> 
> 	Joerg
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/