From: Baoquan HE
Here several things need be done:
1) Initialize amd_iommu_dev_table because it was set several times
since kdump kernel reboot. We don't need the set because we will
copy the content from old kernel.
2) Re-enable event/cmd buffer
3) Install the DTE table to reg
4) Flush all
Original Message
From: Baoquan HE
Here several things need be done:
1) Initialize amd_iommu_dev_table because it was set several times
since kdump kernel reboot. We don't need the set because we will
copy the content from old kernel.
2) Re-enable event/cmd buffer
3) In