search for: gc38106

...tel detaching the PASID goes through the host which can flush the host queue. On Arm we'll probably need to flush the queue when receiving a PASID cache invalidation, which the guest issues after clearing a PASID table entry. Thanks, Jean [1] https://lore.kernel.org/linux-iommu/20180423153622.GC38106 at ostrya.localdomain/ Also unregistration, not sure if relevant here https://lore.kernel.org/linux-iommu/20190605154553.0d00ad8d at jacob-builder/