From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
openrisc-cunTk1MwBs9a3B2Vnqf2dGD2FQJk+8+b@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
xen-devel-GuqFBffKawtpuQazS67q72D2FQJk+8+b@public.gmane.org,
linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 06/44] iommu/dma: don't rely on DMA_ERROR_CODE
Date: Fri, 16 Jun 2017 08:37:00 +0000 [thread overview]
Message-ID: <20170616083700.GA10582@lst.de> (raw)
In-Reply-To: <0bfb0841-f054-78de-628d-a0955336bcb4-5wv7dgnIgG8@public.gmane.org>
On Thu, Jun 08, 2017 at 02:59:07PM +0100, Robin Murphy wrote:
> Hi Christoph,
>
> On 08/06/17 14:25, Christoph Hellwig wrote:
> > DMA_ERROR_CODE is not a public API and will go away soon. dma dma-iommu
> > driver already implements a proper ->mapping_error method, so it's only
> > using the value internally. Add a new local define using the value
> > that arm64 which is the only current user of dma-iommu.
>
> It would be fine to just use 0, since dma-iommu already makes sure that
> that will never be allocated for a valid DMA address.
I'll change it to 0.
> Otherwise, looks good!
Can you give me a formal ACK or Reviewed-by: ?
next prev parent reply other threads:[~2017-06-16 8:37 UTC|newest]
Thread overview: 136+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-08 13:25 clean up and modularize arch dma_mapping interface Christoph Hellwig
2017-06-08 13:25 ` [PATCH 02/44] ibmveth: properly unwind on init errors Christoph Hellwig
[not found] ` <20170608132609.32662-3-hch-jcswGhMUV9g@public.gmane.org>
2017-06-08 14:21 ` David Miller
2017-06-08 13:25 ` [PATCH 04/44] drm/exynos: don't use DMA_ERROR_CODE Christoph Hellwig
[not found] ` <20170608132609.32662-1-hch-jcswGhMUV9g@public.gmane.org>
2017-06-08 13:25 ` [PATCH 01/44] firmware/ivc: use dma_mapping_error Christoph Hellwig
[not found] ` <20170608132609.32662-2-hch-jcswGhMUV9g@public.gmane.org>
2017-06-13 12:35 ` Thierry Reding
2017-06-08 13:25 ` [PATCH 03/44] dmaengine: ioat: don't use DMA_ERROR_CODE Christoph Hellwig
2017-06-08 16:32 ` Dave Jiang
2017-06-14 8:43 ` Vinod Koul
2017-06-08 13:25 ` [PATCH 05/44] drm/armada: don't abuse DMA_ERROR_CODE Christoph Hellwig
2017-06-08 13:25 ` [PATCH 06/44] iommu/dma: don't rely on DMA_ERROR_CODE Christoph Hellwig
[not found] ` <20170608132609.32662-7-hch-jcswGhMUV9g@public.gmane.org>
2017-06-08 13:59 ` Robin Murphy
[not found] ` <0bfb0841-f054-78de-628d-a0955336bcb4-5wv7dgnIgG8@public.gmane.org>
2017-06-16 8:37 ` Christoph Hellwig [this message]
2017-06-08 13:25 ` [PATCH 07/44] xen-swiotlb: consolidate xen_swiotlb_dma_ops Christoph Hellwig
2017-06-11 2:36 ` Konrad Rzeszutek Wilk
2017-06-08 13:25 ` [PATCH 08/44] xen-swiotlb: implement ->mapping_error Christoph Hellwig
2017-06-11 2:37 ` Konrad Rzeszutek Wilk
2017-06-08 13:25 ` [PATCH 09/44] c6x: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-08 13:25 ` [PATCH 10/44] ia64: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 11/44] m32r: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 13/44] openrisc: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 14/44] sh: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 17/44] hexagon: switch to use ->mapping_error for error reporting Christoph Hellwig
2017-06-16 0:19 ` Richard Kuo
2017-06-08 13:25 ` [PATCH 19/44] s390: implement ->mapping_error Christoph Hellwig
2017-06-08 16:23 ` Gerald Schaefer
2017-06-08 14:21 ` clean up and modularize arch dma_mapping interface David Miller
2017-06-08 13:25 ` [PATCH 12/44] microblaze: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-08 13:25 ` [PATCH 15/44] xtensa: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 16/44] arm64: " Christoph Hellwig
2017-06-08 14:02 ` Robin Murphy
2017-06-08 13:25 ` [PATCH 18/44] iommu/amd: implement ->mapping_error Christoph Hellwig
2017-06-08 13:25 ` [PATCH 20/44] sparc: " Christoph Hellwig
2017-06-08 14:24 ` David Miller
2017-06-08 13:25 ` [PATCH 21/44] powerpc: " Christoph Hellwig
[not found] ` <20170608132609.32662-22-hch-jcswGhMUV9g@public.gmane.org>
2017-06-14 9:17 ` Michael Ellerman
2017-06-08 13:25 ` [PATCH 22/44] x86/pci-nommu: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 23/44] x86/calgary: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 24/44] x86: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-08 13:25 ` [PATCH 25/44] arm: implement ->mapping_error Christoph Hellwig
2017-06-08 14:43 ` Russell King - ARM Linux
2017-06-16 8:43 ` Christoph Hellwig
2017-06-08 13:25 ` [PATCH 26/44] dma-mapping: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-08 13:25 ` [PATCH 27/44] sparc: remove leon_dma_ops Christoph Hellwig
2017-06-08 14:22 ` David Miller
2017-06-12 8:06 ` Andreas Larsson
2017-06-16 8:45 ` Christoph Hellwig
2017-06-08 13:25 ` [PATCH 28/44] sparc: remove arch specific dma_supported implementations Christoph Hellwig
2017-06-08 14:22 ` Julian Calaby
2017-06-16 8:47 ` Christoph Hellwig
2017-06-08 14:24 ` David Miller
2017-06-08 13:25 ` [PATCH 29/44] dma-noop: remove dma_supported and mapping_error methods Christoph Hellwig
2017-06-08 13:25 ` [PATCH 30/44] dma-virt: " Christoph Hellwig
2017-06-08 13:25 ` [PATCH 31/44] hexagon: remove arch-specific dma_supported implementation Christoph Hellwig
2017-06-16 0:20 ` Richard Kuo
2017-06-08 13:25 ` [PATCH 32/44] hexagon: remove the unused dma_is_consistent prototype Christoph Hellwig
2017-06-08 13:25 ` [PATCH 33/44] openrisc: remove arch-specific dma_supported implementation Christoph Hellwig
2017-06-09 12:20 ` Geert Uytterhoeven
[not found] ` <CAMuHMdUPeFJJtz8eJkQEAR-2w9oHt-fXeGHvvKFLfU2A4YyviQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-06-16 8:39 ` Christoph Hellwig
2017-06-08 13:25 ` [PATCH 34/44] arm: remove arch specific " Christoph Hellwig
2017-06-08 13:26 ` [PATCH 35/44] x86: " Christoph Hellwig
2017-06-08 13:26 ` [PATCH 36/44] dma-mapping: remove HAVE_ARCH_DMA_SUPPORTED Christoph Hellwig
2017-06-08 13:26 ` [PATCH 37/44] mips/loongson64: implement ->dma_supported instead of ->set_dma_mask Christoph Hellwig
2017-06-08 13:26 ` [PATCH 38/44] arm: " Christoph Hellwig
2017-06-08 13:26 ` [PATCH 39/44] xen-swiotlb: remove xen_swiotlb_set_dma_mask Christoph Hellwig
2017-06-08 13:26 ` [PATCH 40/44] tile: remove dma_supported and mapping_error methods Christoph Hellwig
2017-06-08 13:26 ` [PATCH 41/44] powerpc/cell: clean up fixed mapping dma_ops initialization Christoph Hellwig
2017-06-08 13:26 ` [PATCH 42/44] powerpc/cell: use the dma_supported method for ops switching Christoph Hellwig
2017-06-08 13:26 ` [PATCH 43/44] dma-mapping: remove the set_dma_mask method Christoph Hellwig
2017-06-08 13:26 ` [PATCH 44/44] powerpc: merge __dma_set_mask into dma_set_mask Christoph Hellwig
2017-06-16 18:10 ` clean up and modularize arch dma_mapping interface V2 Christoph Hellwig
2017-06-16 18:10 ` [PATCH 01/44] firmware/ivc: use dma_mapping_error Christoph Hellwig
2017-06-16 18:10 ` [PATCH 02/44] ibmveth: properly unwind on init errors Christoph Hellwig
2017-06-16 18:10 ` [PATCH 03/44] dmaengine: ioat: don't use DMA_ERROR_CODE Christoph Hellwig
2017-06-16 20:40 ` Alexander Duyck
2017-06-18 7:09 ` Christoph Hellwig
2017-06-16 18:10 ` [PATCH 04/44] drm/exynos: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 05/44] drm/armada: don't abuse DMA_ERROR_CODE Christoph Hellwig
2017-06-16 18:10 ` [PATCH 06/44] iommu/dma: don't rely on DMA_ERROR_CODE Christoph Hellwig
[not found] ` <20170616181059.19206-7-hch-jcswGhMUV9g@public.gmane.org>
2017-06-19 15:12 ` Robin Murphy
2017-06-16 18:10 ` [PATCH 07/44] xen-swiotlb: consolidate xen_swiotlb_dma_ops Christoph Hellwig
2017-06-16 18:10 ` [PATCH 08/44] xen-swiotlb: implement ->mapping_error Christoph Hellwig
2017-06-16 18:10 ` [PATCH 09/44] c6x: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-16 18:10 ` [PATCH 10/44] ia64: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 11/44] m32r: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 12/44] microblaze: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 13/44] openrisc: " Christoph Hellwig
[not found] ` <20170616181059.19206-1-hch-jcswGhMUV9g@public.gmane.org>
2017-06-16 18:10 ` [PATCH 14/44] sh: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 42/44] powerpc/cell: use the dma_supported method for ops switching Christoph Hellwig
2017-06-17 20:50 ` Benjamin Herrenschmidt
2017-06-18 7:13 ` Christoph Hellwig
2017-06-18 9:54 ` Benjamin Herrenschmidt
2017-06-16 18:10 ` [PATCH 15/44] xtensa: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-16 18:10 ` [PATCH 16/44] arm64: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 17/44] hexagon: switch to use ->mapping_error for error reporting Christoph Hellwig
2017-06-16 18:10 ` [PATCH 18/44] iommu/amd: implement ->mapping_error Christoph Hellwig
2017-06-16 18:10 ` [PATCH 19/44] s390: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 20/44] sparc: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 21/44] powerpc: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 22/44] x86/pci-nommu: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 23/44] x86/calgary: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 24/44] x86: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-16 18:10 ` [PATCH 25/44] arm: implement ->mapping_error Christoph Hellwig
2017-06-16 18:10 ` [PATCH 26/44] dma-mapping: remove DMA_ERROR_CODE Christoph Hellwig
2017-06-16 18:10 ` [PATCH 27/44] sparc: remove leon_dma_ops Christoph Hellwig
2017-06-16 18:10 ` [PATCH 28/44] sparc: remove arch specific dma_supported implementations Christoph Hellwig
2017-06-16 18:10 ` [PATCH 29/44] dma-noop: remove dma_supported and mapping_error methods Christoph Hellwig
2017-06-16 18:10 ` [PATCH 30/44] dma-virt: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 31/44] hexagon: remove arch-specific dma_supported implementation Christoph Hellwig
2017-06-16 18:10 ` [PATCH 32/44] hexagon: remove the unused dma_is_consistent prototype Christoph Hellwig
2017-06-16 18:10 ` [PATCH 33/44] openrisc: remove arch-specific dma_supported implementation Christoph Hellwig
2017-06-16 18:10 ` [PATCH 34/44] arm: remove arch specific " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 35/44] x86: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 36/44] dma-mapping: remove HAVE_ARCH_DMA_SUPPORTED Christoph Hellwig
2017-06-16 18:10 ` [PATCH 37/44] mips/loongson64: implement ->dma_supported instead of ->set_dma_mask Christoph Hellwig
2017-06-16 18:10 ` [PATCH 38/44] arm: " Christoph Hellwig
2017-06-16 18:10 ` [PATCH 39/44] xen-swiotlb: remove xen_swiotlb_set_dma_mask Christoph Hellwig
2017-06-16 18:10 ` [PATCH 40/44] tile: remove dma_supported and mapping_error methods Christoph Hellwig
2017-06-16 18:10 ` [PATCH 41/44] powerpc/cell: clean up fixed mapping dma_ops initialization Christoph Hellwig
2017-06-16 18:10 ` [PATCH 43/44] dma-mapping: remove the set_dma_mask method Christoph Hellwig
2017-06-16 18:10 ` [PATCH 44/44] powerpc: merge __dma_set_mask into dma_set_mask Christoph Hellwig
2017-06-20 12:41 ` new dma-mapping tree, was Re: clean up and modularize arch dma_mapping interface V2 Christoph Hellwig
2017-06-20 13:04 ` Stephen Rothwell
2017-06-20 13:16 ` Christoph Hellwig
2017-06-21 13:32 ` Marek Szyprowski
[not found] ` <5425587c-73e8-e24a-86a3-8a65a7791dcb-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2017-06-22 21:53 ` Stephen Rothwell
2017-06-26 7:03 ` Christoph Hellwig
2017-06-20 13:14 ` Robin Murphy
2017-06-20 13:15 ` Christoph Hellwig
2017-06-21 19:24 ` tndave
[not found] ` <162d7932-5766-4c29-5471-07d1b699190a-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-06-24 7:18 ` Christoph Hellwig
2017-06-24 15:36 ` Benjamin Herrenschmidt
[not found] ` <1498318616.31581.87.camel-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2017-06-26 9:47 ` Christoph Hellwig
[not found] ` <20170626094739.GB13981-jcswGhMUV9g@public.gmane.org>
2017-06-26 22:06 ` tndave
2017-06-20 9:19 ` clean up and modularize arch dma_mapping interface Daniel Vetter
[not found] ` <20170620091902.2dldmf43vhazq6yh-dv86pmgwkMBes7Z6vYuT8azUEOm+Xw19@public.gmane.org>
2017-06-20 13:17 ` Christoph Hellwig
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