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Re: [Qemu-devel] [PATCH RESEND 0/2] x86_iommu: Fix segfault when startin
From: |
Peter Xu |
Subject: |
Re: [Qemu-devel] [PATCH RESEND 0/2] x86_iommu: Fix segfault when starting on non-PCI machines |
Date: |
Mon, 16 Oct 2017 17:31:25 +0800 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Mon, Oct 16, 2017 at 11:06:21AM +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.
>
> 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.
Hi, Michael,
Would you like to pick Mohammed's two patches in your next pull
request?
Each of the patches has got 2 acks, and it does fix a problem.
Thanks,
>
>
> 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
>
--
Peter Xu