>-Original Message-
>From: Liu, Yi L
>Subject: Re: [PATCH v2 14/17] intel_iommu: Set default aw_bits to 48 in
>scalable modren mode
>
>On 2024/8/5 14:27, Zhenzhong Duan wrote:
>> According to VTD spec, stage-1 page table could support 4-level and
>> 5-
On 2024/8/5 14:27, Zhenzhong Duan wrote:
According to VTD spec, stage-1 page table could support 4-level and
5-level paging.
However, 5-level paging translation emulation is unsupported yet.
That means the only supported value for aw_bits is 48.
So default aw_bits to 48 in scalable modern mode.
Typo in the title : s/modren/modern
Reviewed-by: Clément Mathieu--Drif
On 05/08/2024 08:27, Zhenzhong Duan wrote:
> Caution: External email. Do not open attachments or click links, unless this
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>
>
> According to VTD spec, stage
According to VTD spec, stage-1 page table could support 4-level and
5-level paging.
However, 5-level paging translation emulation is unsupported yet.
That means the only supported value for aw_bits is 48.
So default aw_bits to 48 in scalable modern mode. In other cases,
it is still default to 39
