From: Su Friendy
The early mapped ioapic/hpet specified by kernel boot parameter
ivrs_ioapic[ID]/ivrs_hpet[ID] always override the ioapic/hpet with
same ID reported by ACPI IVRS table. Therefore, the early mapped
should be always controlled by iommu.
Current driver did not set iommu for the ear
Hi Greg,
On 2014-08-05 12:47, Marek Szyprowski wrote:
This patch adds a new flags for device drivers. This flag instructs
kernel that the device driver does it own management of IOMMU assisted
IO address space translations, so no default dma-mapping structures
should be initialized.
Signed-off-
