Re: [PATCH v5 0/5] add non-strict mode support for arm-smmu-v3

[Robin Murphy]

On 12/09/18 17:57, Will Deacon wrote:
> Hi all,
>
> On Wed, Aug 15, 2018 at 09:28:25AM +0800, Zhen Lei wrote:
> > v4 -> v5:
> > 1. change the type of global variable and struct member named "non_strict" from
> >     "int" to "bool".
> > 2. cancel the unnecessary parameter "strict" of __arm_lpae_unmap which was added
> >     in v4.
> > 3. change boot option "arm_iommu" to "iommu.non_strict".
> > 4. convert __iommu_dma_unmap to use iommu_unmap_fast()/iommu_tlb_sync(), because
> >     non-leaf unmaps still need to be synchronous.
> >
> > Thanks for Robin's review comments.
>
> Since this is 90% of the way there now, I suggest Robin picks up what's here
> and incorporates his remaining review comments directly (especially since it
> sounded like Zhen Lei hasn't got much free time lately). With that, I can
> queue this lot via my smmu branch, which already has some stuff queued
> for SMMUv3 and io-pgtable.
>
> Please shout if you have any objections, but I'm keen for this not to
> languish on the lists given how close it is!

Sure, having got this far I'd like to see it get done too. I'll make 
some time and give it a go.

Robin.