From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>
Cc: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Will Deacon <Will.Deacon-5wv7dgnIgG8@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org"
<linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>,
"iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
"m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org"
<m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: DMA mapping API(IOMMU) for ARM64?
Date: Tue, 18 Jun 2013 16:15:27 +0200 [thread overview]
Message-ID: <201306181615.27341.arnd@arndb.de> (raw)
In-Reply-To: <20130618125054.GL9930-5wv7dgnIgG8@public.gmane.org>
On Tuesday 18 June 2013, Catalin Marinas wrote:
> > 1, Copy arch/arm/mm/dma-mapping.c arch/arm64/mm/dma-mapping.c(+swiotlb)
> > 2, Adapt arch/arm64/mm/dma-mapping.c(+swiotlb) to 64bit compatible.
> > 3, Factor out the common code from them into mm/dma-mapping.c
>
> Or add the relevant code to something like lib/iommu-helper.c, convert
> arm64 to use that and we can work on converting arm and other
> architectures afterwards.
Yes, that would work too.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: DMA mapping API(IOMMU) for ARM64?
Date: Tue, 18 Jun 2013 16:15:27 +0200 [thread overview]
Message-ID: <201306181615.27341.arnd@arndb.de> (raw)
In-Reply-To: <20130618125054.GL9930@arm.com>
On Tuesday 18 June 2013, Catalin Marinas wrote:
> > 1, Copy arch/arm/mm/dma-mapping.c arch/arm64/mm/dma-mapping.c(+swiotlb)
> > 2, Adapt arch/arm64/mm/dma-mapping.c(+swiotlb) to 64bit compatible.
> > 3, Factor out the common code from them into mm/dma-mapping.c
>
> Or add the relevant code to something like lib/iommu-helper.c, convert
> arm64 to use that and we can work on converting arm and other
> architectures afterwards.
Yes, that would work too.
Arnd
next prev parent reply other threads:[~2013-06-18 14:15 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-18 2:39 DMA mapping API(IOMMU) for ARM64? Hiroshi Doyu
2013-06-18 2:39 ` Hiroshi Doyu
[not found] ` <20130618.053955.305832937374936961.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-06-18 10:19 ` Will Deacon
2013-06-18 10:19 ` Will Deacon
[not found] ` <20130618101914.GB3539-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-06-18 10:32 ` Arnd Bergmann
2013-06-18 10:32 ` Arnd Bergmann
2013-06-18 10:38 ` Catalin Marinas
2013-06-18 10:38 ` Catalin Marinas
2013-06-18 11:01 ` Hiroshi Doyu
2013-06-18 11:01 ` Hiroshi Doyu
2013-06-18 12:50 ` Catalin Marinas
2013-06-18 12:50 ` Catalin Marinas
2013-06-18 22:08 ` Don Dutile
2013-06-18 22:08 ` Don Dutile
[not found] ` <51C0DA4F.1010405-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-19 11:11 ` Catalin Marinas
2013-06-19 11:11 ` Catalin Marinas
[not found] ` <20130619111137.GJ9261-jF64zX8BO082Zs7wWoiTUGZHpeb/A1Y/@public.gmane.org>
2014-02-05 16:10 ` [Linaro-mm-sig] " Ritesh Harjani
[not found] ` <20130618125054.GL9930-5wv7dgnIgG8@public.gmane.org>
2013-06-18 14:15 ` Arnd Bergmann [this message]
2013-06-18 14:15 ` Arnd Bergmann
[not found] ` <201306181615.27341.arnd-r2nGTMty4D4@public.gmane.org>
2013-06-18 15:20 ` Hiroshi Doyu
2013-06-18 15:20 ` Hiroshi Doyu
2013-06-19 9:29 ` Marek Szyprowski
2013-06-19 9:29 ` Marek Szyprowski
[not found] ` <20130618.140137.1551430695673122122.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-06-18 12:51 ` Arnd Bergmann
2013-06-18 12:51 ` Arnd Bergmann
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