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[Qemu-devel] [PATCH RFC v2 02/17] memory: handle alias for iommu notifie
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH RFC v2 02/17] memory: handle alias for iommu notifier |
Date: |
Tue, 3 Jan 2017 15:29:39 +0800 |
From: Jason Wang <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Acked-by: Paolo Bonzini <address@hidden>
Signed-off-by: Jason Wang <address@hidden>
Signed-off-by: Peter Xu <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 RFC v2 00/17] VT-d: vfio enablement and misc enhances, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 01/17] IOMMU: add option to enable VTD_CAP_CM to vIOMMU capility exposoed to guest, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 02/17] memory: handle alias for iommu notifier,
Peter Xu <=
- [Qemu-devel] [PATCH RFC v2 04/17] intel_iommu: allocate new key when creating new address space, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 03/17] memory: handle alias in memory_region_is_iommu(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 05/17] intel_iommu: simplify irq region translation, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 06/17] intel_iommu: renaming gpa to iova where proper, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 07/17] intel_iommu: fix trace for inv desc handling, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 08/17] intel_iommu: fix trace for addr translation, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 09/17] intel_iommu: vtd_slpt_level_shift check level, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 10/17] memory: add section range info for IOMMU notifier, Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 11/17] memory: provide iommu_replay_all(), Peter Xu, 2017/01/03
- [Qemu-devel] [PATCH RFC v2 13/17] memory: add MemoryRegionIOMMUOps.replay() callback, Peter Xu, 2017/01/03