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[Qemu-devel] [PATCH V4 08/10] memory: handle alias for iommu notifier
From: |
Jason Wang |
Subject: |
[Qemu-devel] [PATCH V4 08/10] memory: handle alias for iommu notifier |
Date: |
Fri, 30 Dec 2016 18:09:17 +0800 |
Cc: Paolo Bonzini <address@hidden>
Acked-by: Paolo Bonzini <address@hidden>
Signed-off-by: Jason Wang <address@hidden>
---
memory.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/memory.c b/memory.c
index 33110e9..2bfc37f 100644
--- a/memory.c
+++ b/memory.c
@@ -1603,6 +1603,11 @@ static void
memory_region_update_iommu_notify_flags(MemoryRegion *mr)
void memory_region_register_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
+ if (mr->alias) {
+ memory_region_register_iommu_notifier(mr->alias, n);
+ return;
+ }
+
/* We need to register for at least one bitfield */
assert(n->notifier_flags != IOMMU_NOTIFIER_NONE);
QLIST_INSERT_HEAD(&mr->iommu_notify, n, node);
@@ -1643,6 +1648,10 @@ void memory_region_iommu_replay(MemoryRegion *mr,
IOMMUNotifier *n,
void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
IOMMUNotifier *n)
{
+ if (mr->alias) {
+ memory_region_unregister_iommu_notifier(mr->alias, n);
+ return;
+ }
QLIST_REMOVE(n, node);
memory_region_update_iommu_notify_flags(mr);
}
--
2.7.4
- [Qemu-devel] [PATCH V4 00/10] vhost device IOTLB support, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 02/10] intel_iommu: name vtd address space with devfn, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 01/10] virtio: convert to use DMA api, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 03/10] intel_iommu: allocate new key when creating new address space, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 04/10] exec: introduce address_space_get_iotlb_entry(), Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 05/10] intel_iommu: support device iotlb descriptor, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 07/10] acpi: add ATSR for q35, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 06/10] virtio-pci: address space translation service (ATS) support, Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 08/10] memory: handle alias for iommu notifier,
Jason Wang <=
- [Qemu-devel] [PATCH V4 09/10] memory: handle alias in memory_region_is_iommu(), Jason Wang, 2016/12/30
- [Qemu-devel] [PATCH V4 10/10] vhost_net: device IOTLB support, Jason Wang, 2016/12/30