Re: [PATCH] iommu/amd: Convert from atomic_t to refcount_t on pasid_state->count

[Suthikulpanit, Suravee via iommu]

On 7/19/2021 3:32 AM, Xiyu Yang wrote:

refcount_t type and corresponding API can protect refcounters from
accidental underflow and overflow and further use-after-free situations.

Signed-off-by: Xiyu Yang <xiyuyan...@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin....@gmail.com>

Thanks,

Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
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