Re: [PATCH v3 12/18] iommu: Add iommu_at[de]tach_device_shared() for multi-device groups

From: Christoph Hellwig
Date: Mon Dec 06 2021 - 09:44:15 EST


The new helpers really could use a kerneldoc comment.
Also no need for the refcount_t with it's atomic operations for
attach_cnt either.