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From: Sam Ravnborg <sam@ravnborg.org>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 00/12] ARM/ARM64 MMU code consolidation, zeroing of DMA coherent memory
Date: Thu, 17 Jan 2019 22:40:39 +0100	[thread overview]
Message-ID: <20190117214039.GA17261@ravnborg.org> (raw)
In-Reply-To: <20190117063840.13674-1-andrew.smirnov@gmail.com>

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

	Sam

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  parent reply	other threads:[~2019-01-17 21:40 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-17  6:38 [PATCH 00/12] ARM/ARM64 MMU code consolidation, zeroing of DMA coherent memory Andrey Smirnov
2019-01-17  6:38 ` [PATCH 01/12] ARM: mmu: Drop custom virt_to_phys/phys_to_virt Andrey Smirnov
2019-01-17  6:38 ` [PATCH 02/12] ARM: mmu: Simplify the use of dma_inv_range() Andrey Smirnov
2019-01-17  6:38 ` [PATCH 03/12] ARM: mmu: Share code for dma_(un)map_single() Andrey Smirnov
2019-01-17  6:38 ` [PATCH 04/12] ARM64: mmu: Use arch_remap_range() internaly Andrey Smirnov
2019-01-17  6:38 ` [PATCH 05/12] ARM64: mmu: Merge create_sections() and map_region() together Andrey Smirnov
2019-01-17  6:38 ` [PATCH 06/12] ARM: mmu: Share code for dma_free_coherent() Andrey Smirnov
2019-01-17  6:38 ` [PATCH 07/12] ARM64: mmu: Invalidate memory before remapping as DMA coherent Andrey Smirnov
2019-01-17  6:38 ` [PATCH 08/12] ARM: mmu: Share code for dma_alloc_coherent() Andrey Smirnov
2019-01-17 21:23   ` Sam Ravnborg
2019-01-17 21:54     ` Andrey Smirnov
2019-01-17 22:06       ` Sam Ravnborg
2019-01-17  6:38 ` [PATCH 09/12] ARM: mmu: Share code for dma_sync_single_for_cpu() Andrey Smirnov
2019-01-17 21:28   ` Sam Ravnborg
2019-01-17 21:50     ` Andrey Smirnov
2019-01-17 22:04       ` Sam Ravnborg
2019-01-17  6:38 ` [PATCH 10/12] ARM: mmu: Share sanity checking code in mmu_init() Andrey Smirnov
2019-01-17  6:38 ` [PATCH 11/12] ARM: mmu: Share code for arm_mmu_not_initialized_error() Andrey Smirnov
2019-01-17  6:38 ` [PATCH 12/12] ARM: mmu: Make sure DMA coherent memory is zeroed out Andrey Smirnov
2019-01-17 21:36   ` Sam Ravnborg
2019-01-17 22:00     ` Andrey Smirnov
2019-01-17 22:11       ` Sam Ravnborg
2019-01-17 21:40 ` Sam Ravnborg [this message]
2019-01-17 22:01   ` [PATCH 00/12] ARM/ARM64 MMU code consolidation, zeroing of DMA coherent memory Andrey Smirnov
2019-01-17 22:06   ` Sam Ravnborg

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