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[Qemu-devel] [PATCH v5 0/2] x86_iommu: Fix segfault when starting on non
From: |
Mohammed Gamal |
Subject: |
[Qemu-devel] [PATCH v5 0/2] x86_iommu: Fix segfault when starting on non-PCI machines |
Date: |
Tue, 19 Sep 2017 16:51:20 +0200 |
Starting qemu with
qemu-system-x86_64 -S -M isapc -device {amd|intel}-iommu
leads to a segfault. The code assume PCI bus is present and
tries to access the bus structure without checking.
The patch series moves the error checks from vtd_realize()
and amdvi_realize() to the generic x86_iommu_realize() and
adds a check for PCI bus presence.
v4 --> v5:
* Squash patch 2/3 from v4 into patch 1/3
Mohammed Gamal (2):
x86_iommu: Move machine check to x86_iommu_realize()
x86_iommu: check if machine has PCI bus
hw/i386/amd_iommu.c | 13 ++-----------
hw/i386/intel_iommu.c | 13 ++-----------
hw/i386/x86-iommu.c | 13 +++++++++++++
3 files changed, 17 insertions(+), 22 deletions(-)
--
1.8.3.1
- [Qemu-devel] [PATCH v5 0/2] x86_iommu: Fix segfault when starting on non-PCI machines,
Mohammed Gamal <=