[PATCH 17/37] iommu/arm-smmu-v3: Move context descriptor code

[Jean-Philippe Brucker]

On 09/03/18 11:44, Jonathan Cameron wrote:
> On Mon, 12 Feb 2018 18:33:32 +0000
> Jean-Philippe Brucker <jean-philippe.brucker at arm.com> wrote:
> 
>> In order to add support for substream ID, move the context descriptor code
>> into a separate library. At the moment it only manages context descriptor
>> 0, which is used for non-PASID translations.
>>
>> One important behavior change is the ASID allocator, which is now global
>> instead of per-SMMU. If we end up needing per-SMMU ASIDs after all, it
>> would be relatively simple to move back to per-device allocator instead
>> of a global one. Sharing ASIDs will require an IDR, so implement the
>> ASID allocator with an IDA instead of porting the bitmap, to ease the
>> transition.
>>
>> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker at arm.com>
> Hi Jean-Philippe,
> 
> This would have been easier to review if split into a 'move' and additional
> patches actually making the changes described.
> 
> Superficially it looks like there may be more going on in here than the
> above description suggests.  I'm unsure why we are gaining 
> the CFGI_CD_ALL and similar in this patch as there is just to much going on.

Ok I'll try to split this

Thanks,
Jean