[PATCH v2 0/8] io-pgtable lock removal

[Robin Murphy]

On 23/06/17 09:47, John Garry wrote:
> On 22/06/2017 16:53, Robin Murphy wrote:
>> The feedback has been promising, so v2 is just a final update to cover
>> a handful of memory ordering and cosmetic tweaks that came up when Will
>> and I went through this offline.
>>
>> Thanks,
>> Robin.
> 
> Hi Robin,
> 
> Is it worth us retesting this patchset?
> 
> If yes, as for a branch (for convenience), does this one now match v2:
> git://linux-arm.org/linux-rm  iommu/pgtable
> 
> I saw it was rewritten recently.

Indeed, I pushed the branch out before posting. Functionally it ought to
be identical to v1, so this was more just a heads-up - feel free to
double-check I've not broken anything, but I wouldn't say you need to
throw the full test lab at it again.

Thanks,
Robin.

> 
> Thanks,
> John
> 
>>
>>
>> Robin Murphy (8):
>>   iommu/io-pgtable-arm-v7s: Check table PTEs more precisely
>>   iommu/io-pgtable-arm: Improve split_blk_unmap
>>   iommu/io-pgtable-arm-v7s: Refactor split_blk_unmap
>>   iommu/io-pgtable: Introduce explicit coherency
>>   iommu/io-pgtable-arm: Support lockless operation
>>   iommu/io-pgtable-arm-v7s: Support lockless operation
>>   iommu/arm-smmu: Remove io-pgtable spinlock
>>   iommu/arm-smmu-v3: Remove io-pgtable spinlock
>>
>>  drivers/iommu/arm-smmu-v3.c        |  36 ++-----
>>  drivers/iommu/arm-smmu.c           |  48 ++++------
>>  drivers/iommu/io-pgtable-arm-v7s.c | 179
>> +++++++++++++++++++++-------------
>>  drivers/iommu/io-pgtable-arm.c     | 191
>> ++++++++++++++++++++++++-------------
>>  drivers/iommu/io-pgtable.h         |   6 ++
>>  5 files changed, 274 insertions(+), 186 deletions(-)
>>
> 
>