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[Qemu-devel] [PATCH v2 3/5] exec: assert on memory_region_register_iommu
From: |
Eric Auger |
Subject: |
[Qemu-devel] [PATCH v2 3/5] exec: assert on memory_region_register_iommu_notifier() failure |
Date: |
Thu, 19 Sep 2019 14:18:43 +0200 |
memory_region_register_iommu_notifier now returns an error
in case of failure. Assert in such a case.
Signed-off-by: Eric Auger <address@hidden>
---
v1 -> v2:
- add assert(!ret)
---
exec.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/exec.c b/exec.c
index 8b998974f8..5be8db6253 100644
--- a/exec.c
+++ b/exec.c
@@ -663,7 +663,7 @@ static void tcg_register_iommu_notifier(CPUState *cpu,
*/
MemoryRegion *mr = MEMORY_REGION(iommu_mr);
TCGIOMMUNotifier *notifier;
- int i;
+ int i, ret;
for (i = 0; i < cpu->iommu_notifiers->len; i++) {
notifier = g_array_index(cpu->iommu_notifiers, TCGIOMMUNotifier *, i);
@@ -692,7 +692,9 @@ static void tcg_register_iommu_notifier(CPUState *cpu,
0,
HWADDR_MAX,
iommu_idx);
- memory_region_register_iommu_notifier(notifier->mr, ¬ifier->n);
+ ret = memory_region_register_iommu_notifier(notifier->mr,
+ ¬ifier->n);
+ assert(!ret);
}
if (!notifier->active) {
--
2.20.1
- [Qemu-devel] [PATCH v2 0/5] Allow memory_region_register_iommu_notifier() to fail, Eric Auger, 2019/09/19
- [Qemu-devel] [PATCH v2 2/5] vfio/common: Handle memory_region_register_iommu_notifier() failure, Eric Auger, 2019/09/19
- [Qemu-devel] [PATCH v2 1/5] memory: allow memory_region_register_iommu_notifier() to fail, Eric Auger, 2019/09/19
- [Qemu-devel] [PATCH v2 3/5] exec: assert on memory_region_register_iommu_notifier() failure,
Eric Auger <=
- [Qemu-devel] [PATCH v2 5/5] amd_iommu: Let amdvi_iommu_notify_flag_changed() fail, Eric Auger, 2019/09/19
- [Qemu-devel] [PATCH v2 4/5] vhost: assert on memory_region_register_iommu_notifier() failure, Eric Auger, 2019/09/19
- Re: [PATCH v2 0/5] Allow memory_region_register_iommu_notifier() to fail, Peter Xu, 2019/09/20