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[Qemu-arm] [PATCH v1 5/6] intel_iommu: Let vtd_iommu_notify_flag_changed
From: |
Eric Auger |
Subject: |
[Qemu-arm] [PATCH v1 5/6] intel_iommu: Let vtd_iommu_notify_flag_changed() fail |
Date: |
Fri, 13 Sep 2019 10:36:14 +0200 |
In case a MAP notifier is attempted to be registered without
caching mode, let's simply return an error. This latter now is
handled in the VFIO code.
Signed-off-by: Eric Auger <address@hidden>
---
hw/i386/intel_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 7a89ea9ba1..2f66d6882c 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2931,7 +2931,7 @@ static int
vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
if (!s->caching_mode && new & IOMMU_NOTIFIER_MAP) {
error_report("We need to set caching-mode=on for intel-iommu to enable
"
"device assignment with IOMMU protection.");
- exit(1);
+ return -EINVAL;
}
/* Update per-address-space notifier flags */
--
2.20.1
- [Qemu-arm] [PATCH v1 0/6] Allow memory_region_register_iommu_notifier() to fail, Eric Auger, 2019/09/13
- [Qemu-arm] [PATCH v1 1/6] memory: allow memory_region_register_iommu_notifier() to fail, Eric Auger, 2019/09/13
- [Qemu-arm] [PATCH v1 2/6] vfio/common: Handle memory_region_register_iommu_notifier() failure, Eric Auger, 2019/09/13
- [Qemu-arm] [PATCH v1 3/6] exec: assert on memory_region_register_iommu_notifier() failure, Eric Auger, 2019/09/13
- [Qemu-arm] [PATCH v1 4/6] vhost: assert on memory_region_register_iommu_notifier() failure, Eric Auger, 2019/09/13
- [Qemu-arm] [PATCH v1 5/6] intel_iommu: Let vtd_iommu_notify_flag_changed() fail,
Eric Auger <=
- [Qemu-arm] [PATCH v1 6/6] amd_iommu: Let amdvi_iommu_notify_flag_changed() fail, Eric Auger, 2019/09/13