Re: [PATCH 1/1] iommu/arm-smmu: Add support to use Last level cache

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Hi Marc,

On Tue, Dec 4, 2018 at 6:10 PM Marc Gonzalez <marc.w.gonzalez@xxxxxxx> wrote:
>
> On 04/12/2018 12:01, Vivek Gautam wrote:
>
> > Qualcomm SoCs have an additional level of cache called as
> > System cache, aka. Last level cache (LLC). This cache sits right
> > before the DDR, and is tightly coupled with the memory controller.
> > The cache is available to all the clients present in the SoC system.
> > The clients request their slices from this system cache, make it
> > active, and can then start using it.
> > For these clients with smmu, to start using the system cache for
> > buffers and, related page tables [1], memory attributes need to be
> > set accordingly.
> > This change updates the MAIR and TCR configurations with correct
> > attributes to use this system cache.
>
> This is version 2 of the patch, right?
>
> Version 1 would have been:
> https://lkml.org/lkml/2018/6/15/186

That's right, this is version 2 of the patch.
My bad, I noticed it after sending the patch. But i thought of not spamming
about it, and thought of conveying it in the first response to any
comments I get.
Thanks for bringing it up.

Best regards
Vivek

>
> Regards.



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