RE: [PATCH v3 06/11] iommu/vt-d: Acquiring lock in domain ID allocation helpers

[Tian, Kevin]

> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Wednesday, June 29, 2022 3:47 PM
> 
> The iommu->lock is used to protect the per-IOMMU domain ID resource.
> Moving the lock into the ID alloc/free helpers makes the code more
> compact. At the same time, the device_domain_lock is irrelevant to
> the domain ID resource, remove its assertion as well.
> 
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>