[RFC PATCH v1] iommu/io-pgtable-arm: Check for leaf entry right after finding it

Will Deacon will.deacon at arm.com
Mon Feb 13 04:00:21 PST 2017


On Mon, Feb 13, 2017 at 01:50:29PM +0200, Oleksandr Tyshchenko wrote:
> On Mon, Feb 13, 2017 at 1:27 PM, Will Deacon <will.deacon at arm.com> wrote:
> > On Mon, Feb 13, 2017 at 01:07:02PM +0200, Oleksandr Tyshchenko wrote:
> >> Any comments?
> >
> > Looks fine to me, but I don't think it's urgent and I already sent my
> > SMMU pull for 4.11. I'll send this as a fix after the merge window.
> OK. Thank you.
> 
> >
> > I suspect we need something similar for io-pgtable-arm-v7s.c, too.
> Agree. On the whole I will be able to make similar patch for arm-v7s,
> but I won't be 100% sure
> since I don't have any boards where arm-v7s compatible IOMMU installed.
> 
> Shall I make patch for arm-v7s too?

Yes, please. Robin seems to enjoy using short-descriptor, so he might
give it a spin for you if you ask nicely.

Will



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