[pve-devel] [PATCH qemu-server v2 1/4] fix #6608: expose viommu driver aw-bits option

Fiona Ebner f.ebner at proxmox.com
Fri Sep 5 14:00:13 CEST 2025


Am 05.09.25 um 1:45 PM schrieb Daniel Kral:
> On Fri Sep 5, 2025 at 12:07 PM CEST, Fiona Ebner wrote:
>> Am 02.09.25 um 1:23 PM schrieb Daniel Kral:
>>> Therefore, expose the 'aw-bits' option of the intel-iommu and
>>> virtio-iommu QEMU drivers to allow users to set the value.
>>>
>>> [0] https://lore.kernel.org/qemu-devel/20241212083757.605022-17-zhenzhong.duan@intel.com/
>>> [1] https://lore.kernel.org/qemu-devel/20240605083043.317831-18-zhenzhong.duan@intel.com/
>>>
>>
>> Nit: I'd prefer references to qemu commits rather than mails
> 
> ACK, but not sure in what format we reference external repos, to the
> qemu-project gitlab or just the repo + commit hash + summary?
> 
> So
> 
> [0] https://gitlab.com/qemu-project/qemu/-/commit/ddd84fd0c1
> [1] https://gitlab.com/qemu-project/qemu/-/commit/77f6efc0ab
> 
> or
> 
> [0] qemu ddd84fd0c1 ("intel_iommu: Set default aw_bits to 48 starting from QEMU 9.2")
> [1] qemu 77f6efc0ab ("intel_iommu: Check compatibility with host IOMMU capabilities")

I much prefer this as one can also see the commit title and as web
locations of repos are not stable long-term.




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