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Re: [Qemu-devel] [PATCH v4 3/3] x86_iommu: check if machine has PCI bus
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] [PATCH v4 3/3] x86_iommu: check if machine has PCI bus |
Date: |
Tue, 19 Sep 2017 11:22:54 -0300 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
On Mon, Sep 18, 2017 at 04:37:50PM +0200, Mohammed Gamal wrote:
> 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.
>
> Since Intel VT-d and AMDVI should only work with PCI, add a
> check for PCI bus and return error if not present.
>
> Signed-off-by: Mohammed Gamal <address@hidden>
Reviewed-by: Eduardo Habkost <address@hidden>
--
Eduardo
- [Qemu-devel] [PATCH v4 0/3] x86_iommu: Fix segfault when starting on non-PCI machines, Mohammed Gamal, 2017/09/18
- [Qemu-devel] [PATCH v4 2/3] intel_iommu, amd_iommu: Remove redundant object_dynamic_cast calls, Mohammed Gamal, 2017/09/18
- [Qemu-devel] [PATCH v4 1/3] x86_iommu: Move machine check to x86_iommu_realize(), Mohammed Gamal, 2017/09/18
- [Qemu-devel] [PATCH v4 3/3] x86_iommu: check if machine has PCI bus, Mohammed Gamal, 2017/09/18
- Re: [Qemu-devel] [PATCH v4 3/3] x86_iommu: check if machine has PCI bus,
Eduardo Habkost <=
- Re: [Qemu-devel] [PATCH v4 0/3] x86_iommu: Fix segfault when starting on non-PCI machines, Peter Xu, 2017/09/19