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Re: [PATCH v3 15/17] intel_iommu: Modify x-scalable-mode to be string op
From: |
CLEMENT MATHIEU--DRIF |
Subject: |
Re: [PATCH v3 15/17] intel_iommu: Modify x-scalable-mode to be string option to expose scalable modern mode |
Date: |
Mon, 4 Nov 2024 07:13:01 +0000 |
On 04/11/2024 04:24, Yi Liu wrote:
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> On 2024/9/29 10:44, Duan, Zhenzhong wrote
>>>
>>> A question here:
>>>
>>> Are there any other major features that are still lacking for scalable
>>> mode? If not, maybe we can get rid of the "x" prefix?
>>
>> We don't support stage-1 and stage-2 coexist emulation and nested
>> translation emulation through stage-1 and stage-2 yet.
>>
>> Currently we only support either stage-1 or stage-2 in scalable mode,
>> one reason is supporting stage1 is enough for current usage,
>> the other reason is to simplify the nesting series
>> https://github.com/yiliu1765/qemu/tree/zhenzhong/iommufd_nesting_rfcv2
>> for review.
>
> PRI is also a missing part. :)
I'll send 2 series for ATS and PRI once this one is integrated.
Maybe we could consider removing the "x" prefix after that.
>
>
> --
> Regards,
> Yi Liu