RE: [PATCH v3 0/2] Intel-IOMMU: source-id checking for interrupt remapping

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Any comments on the patchset? Thanks. 

Regards,
Weidong

Han, Weidong wrote:
> Support source-id checking for interrupt remapping, and then
> isolates interrupts for guests/VMs with assigned devices.
> 
> Eric raised pci rebalance issue with VT-d. Yes, it's an issue now.
> Linux needs to handle pci rebalance changes to DRHD scopes. It's
> tricky to support it. This patch just supports source-id for
> interrupt remapping, won't touch that.
> 
> The patchset can be applied on linux-2.6-tip tree.
> 
> v2 -> v3 changelog:
> 	As Ingo suggested, restructured some code and fixed some code
> style issues.
> 
> v1 -> v2 changelog:
>         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   |  160
>  +++++++++++++++++++++++++++++++++++---- drivers/pci/intr_remapping.h
>  |    2 + include/linux/dmar.h           |   11 +++
>  4 files changed, 162 insertions(+), 17 deletions(-)

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