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

From: Suthikulpanit, Suravee
Date: Thu Jul 22 2021 - 15:35:00 EST




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 <xiyuyang19@xxxxxxxxxxxx>
Signed-off-by: Xin Tan <tanxin.ctf@xxxxxxxxx>

Thanks,

Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>