Re: [PATCH 00/12] ARM/ARM64 MMU code consolidation, zeroing of DMA coherent memory

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On Thu, Jan 17, 2019 at 1:40 PM Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> Hi Andrey.
>
> > Everyone:
> >
> > This series is a result of my attempt at changing the behaviour of
> > dma_alloc_coherent() to guarantee that memory it returns is zeroed
> > out. Mostly to avoid having to do that explicitly in driver code, but
> > also to match behaviour that that function has in Linux. While working
> > on that I noticed that there was a fair bit of MMU/DMA related code
> > between ARM/ARM64 that can be shared, so I created a number of patches
> > to do just that.
> >
> > Feedback is welcome!
>
> I read all the patches, and due to the nice small incremental patches
> you do (well done!) I could follow them all.
> A few comments and for the rest you can add my "Reviewed-by:" tag.
>
>
> > Andrey Smirnov (12):
> >   ARM: mmu: Drop custom virt_to_phys/phys_to_virt
> >   ARM: mmu: Simplify the use of dma_inv_range()
> >   ARM: mmu: Share code for dma_(un)map_single()
> >   ARM64: mmu: Use arch_remap_range() internaly
> internally
>

Will fix in v2.

Thanks,
Andrey Smirnov

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