[PATCH] iommu: check for the deferred attach when attaching a device

2020-12-25 Thread Lianbo Jiang
Currently, because domain attach allows to be deferred from iommu driver to device driver, and when iommu initializes, the devices on the bus will be scanned and the default groups will be allocated. Due to the above changes, some devices could be added to the same group as below: [3.859417]

RE: [PATCH v2 3/3] iommu/vt-d: Fix ineffective devTLB invalidation for subdevices

2020-12-25 Thread Liu, Yi L
Hi Baolu, Well received, all comments accepted. thanks. Regards, Yi Liu > From: Lu Baolu > Sent: Wednesday, December 23, 2020 6:10 PM > > Hi Yi, > > On 2020/12/23 14:27, Liu Yi L wrote: > > iommu_flush_dev_iotlb() is called to invalidate caches on device. It only > > loops the devices which a