Messages in this thread | | | From | "Han, Weidong" <> | Date | Mon, 1 Jun 2009 15:43:52 +0800 | Subject | RE: [PATCH v3 0/2] Intel-IOMMU: source-id checking for interrupt remapping |
| |
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(-)
| |