Re: [PATCH] crypto: iaa: Fix some errors in IAA documentation

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On Mon, Mar 18, 2024 at 02:01:18PM -0500, Tom Zanussi wrote:
...
> > 
> > This is what I came up with last night for the kernel parameters when thinking about it:
> > 
> > 
> > > mode \ default enable | intel_iommu + /sm + | intel_iommu + / sm - | intel_iommu - / sm +  | intel_iommu - / sm - |
> > > -----------------------+---------------------+----------------------+-----------------------+----------------------|
> > > Scalable Mode         | nothing             | intel_iommu=sm_on    | intel_iommu=on        | intel_iommu=on,sm_on |
> > > Legacy Mode           | intel_iommu=sm_off  | nothing              | intel_iommu=on,sm_off | intel_iommu=on       |
> > > No IOMMU Mode         | intel_iommu=off     | intel_iommu=off      | nothing               | nothing              |
> > 
> 
> Very nice. I think it would need a little explanation on how to read
> the table and mention of how the defaults correspond to actual config
> options e.g. sm+ = CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON=y,
> etc...
> 
> Thanks,
> 
> Tom
>

Yes, if something like this were to go into the doc it would need more
explanation. This was me just trying to map out the different
combinations last night in an org-mode table in emacs.





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