[PATCH 0/4] Patches to support ring0 SVM and devtlb

From: Ashok Raj
Date: Tue Aug 08 2017 - 16:23:26 EST


The first 2 patches in the series fix some simple bugs in Intel vt-d driver.
The 3rd patch Adds support for kmem notify required to support ring0 SVM.
4th patch uses the hooks to perform device tlb invalidations.

Ashok Raj (3):
iommu/vt-d: IOMMU Page Request needs to check if address is canonical.
iommu/vt-d: Avoid calling virt_to_phys() on null pointer
iommu/vt-d: Hooks to invalidate iotlb/devtlb when using supervisor
PASID's.

Huang Ying (1):
mm: Add kernel MMU notifier to manage remote TLB

arch/x86/include/asm/tlbflush.h | 1 +
arch/x86/mm/tlb.c | 1 +
drivers/iommu/intel-iommu.c | 3 ++-
drivers/iommu/intel-svm.c | 43 +++++++++++++++++++++++++++++++++++++++--
include/linux/intel-iommu.h | 5 ++++-
include/linux/mmu_notifier.h | 33 +++++++++++++++++++++++++++++++
mm/mmu_notifier.c | 25 ++++++++++++++++++++++++
7 files changed, 107 insertions(+), 4 deletions(-)

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2.7.4