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Re: [PATCH 0/2] Don't initialize HOST_IOMMU_DEVICE with mdev


From: Eric Auger
Subject: Re: [PATCH 0/2] Don't initialize HOST_IOMMU_DEVICE with mdev
Date: Mon, 22 Jul 2024 11:31:11 +0200
User-agent: Mozilla Thunderbird

Hi Zhenzhong,

On 7/22/24 09:07, Zhenzhong Duan wrote:
> This fixes a potential issue with mdev that fails to initialize 
> HOST_IOMMU_DEVICE.
> Reason is mdev isn't physical device and doesn't support IOMMU_GET_HW_INFO.
>
> I thought ap/ccw are all mdev type and need a fix.
>
> This series depends on a patch from Joao which fixes the same for vfio-pci.
> See https://lists.gnu.org/archive/html/qemu-devel/2024-07/msg04612.html
>
> Not tested due to no ap/ccw environment. But build test pass.
>
> Thanks
> Zhenzhong
>
> Zhenzhong Duan (2):
>   vfio/ap: Don't initialize HOST_IOMMU_DEVICE with mdev
>   vfio/ccw: Don't initialize HOST_IOMMU_DEVICE with mdev
For the series
Reviewed-by: Eric Auger <eric.auger@redhat.com>

Eric

>
>  hw/vfio/ap.c  | 3 +++
>  hw/vfio/ccw.c | 3 +++
>  2 files changed, 6 insertions(+)
>




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