Re: [PATCH v4 05/11] iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit

[Fenghua Yu]

Hi, Jean and Zhangfei,

On Mon, Apr 25, 2022 at 05:13:02PM +0100, Jean-Philippe Brucker wrote:
> Could we move mm_pasid_drop() to __mmdrop() instead of __mmput()?  For Arm
> we do need to hold the mm_count until unbind(), and mmgrab()/mmdrop() is
> also part of Lu's rework [1].

Is this a right fix for the issue? Could you please test it on ARM?
I don't have an ARM machine.

Thanks.

-Fenghua