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From dc126664134989975ce9ab9e7d5d2c8916628bf6 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@redhat.com>
Date: Wed, 18 Mar 2020 11:17:36 +0100
Subject: [PATCH] hw/arm/smmuv3: Allow MAP notifiers
We now have all bricks to support nested paging. This
uses MAP notifiers to map the MSIs. So let's allow MAP
notifiers to be registered.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
---
hw/arm/smmuv3.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 9aeb420428..45f21c53fe 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1628,14 +1628,6 @@ static int smmuv3_notify_flag_changed(IOMMUMemoryRegion *iommu,
return -EINVAL;
}
- if (new & IOMMU_NOTIFIER_MAP) {
- error_setg(errp,
- "device %02x.%02x.%x requires iommu MAP notifier which is "
- "not currently supported", pci_bus_num(sdev->bus),
- PCI_SLOT(sdev->devfn), PCI_FUNC(sdev->devfn));
- return -EINVAL;
- }
-
if (old == IOMMU_NOTIFIER_NONE) {
trace_smmuv3_notify_flag_add(iommu->parent_obj.name);
QLIST_INSERT_HEAD(&s->devices_with_notifiers, sdev, next);
--
2.27.0
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