Support source-id checking for interrupt remapping, and then
isolates interrupts for guests/VMs with assigned devices.
v1 -> v2 change log:
Access PCI directly (read_pci_config_byte) to parse IOAPIC,
instead of PCI related discovery, because PCI subsystem is not
initialized at that time.
Weidong Han (2):
Intel-IOMMU, intr-remap: set the whole 128bits of irte when
modify/free it
Intel-IOMMU, intr-remap: source-id checking
arch/x86/kernel/apic/io_apic.c | 6 ++
drivers/pci/intr_remapping.c | 100 +++++++++++++++++++++++++++++++++++++--
drivers/pci/intr_remapping.h | 2 +
include/linux/dmar.h | 11 ++++
4 files changed, 113 insertions(+), 6 deletions(-)
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