| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <73b81ba2-3f1c-cce9-0bcf-e739c2a2f6d8@gmx.de>
Date: Sat, 29 Aug 2020 11:46:56 +0200
From: Helge Deller <deller@....de>
To: Christoph Hellwig <hch@....de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
Joonyoung Shim <jy0922.shim@...sung.com>,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
Ben Skeggs <bskeggs@...hat.com>,
Pawel Osciak <pawel@...iak.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Matt Porter <mporter@...nel.crashing.org>,
iommu@...ts.linux-foundation.org
Cc: Tom Lendacky <thomas.lendacky@....com>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
linux-samsung-soc@...r.kernel.org, nouveau@...ts.freedesktop.org,
netdev@...r.kernel.org, linux-nvme@...ts.infradead.org,
linux-scsi@...r.kernel.org, linux-mm@...ck.org,
alsa-devel@...a-project.org
Subject: Re: a saner API for allocating DMA addressable pages
Hi Christoph,
On 19.08.20 08:55, Christoph Hellwig wrote:
> this series replaced the DMA_ATTR_NON_CONSISTENT flag to dma_alloc_attrs
> with a separate new dma_alloc_pages API, which is available on all
> platforms. In addition to cleaning up the convoluted code path, this
> ensures that other drivers that have asked for better support for
> non-coherent DMA to pages with incurring bounce buffering over can finally
> be properly supported.
> ....
> A git tree is available here:
>
> git://git.infradead.org/users/hch/misc.git dma_alloc_pages
I've tested this tree on my parisc machine which uses the 53c700
and lasi_82596 drivers.
Everything worked as expected, so you may add:
Tested-by: Helge Deller <deller@....de> # parisc
Thanks!
Helge
>
> Gitweb:
>
> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma_alloc_pages
>
>
> Diffstat:
> Documentation/core-api/dma-api.rst | 92 ++----
> Documentation/core-api/dma-attributes.rst | 8
> Documentation/userspace-api/media/v4l/buffer.rst | 17 -
> Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst | 1
> arch/alpha/kernel/pci_iommu.c | 2
> arch/arm/include/asm/dma-direct.h | 4
> arch/arm/mm/dma-mapping-nommu.c | 2
> arch/arm/mm/dma-mapping.c | 4
> arch/ia64/Kconfig | 3
> arch/ia64/hp/common/sba_iommu.c | 2
> arch/ia64/kernel/dma-mapping.c | 14
> arch/ia64/mm/init.c | 3
> arch/mips/Kconfig | 1
> arch/mips/bmips/dma.c | 4
> arch/mips/cavium-octeon/dma-octeon.c | 4
> arch/mips/include/asm/dma-direct.h | 4
> arch/mips/include/asm/jazzdma.h | 2
> arch/mips/jazz/jazzdma.c | 102 +------
> arch/mips/loongson2ef/fuloong-2e/dma.c | 4
> arch/mips/loongson2ef/lemote-2f/dma.c | 4
> arch/mips/loongson64/dma.c | 4
> arch/mips/mm/dma-noncoherent.c | 48 +--
> arch/mips/pci/pci-ar2315.c | 4
> arch/mips/pci/pci-xtalk-bridge.c | 4
> arch/mips/sgi-ip32/ip32-dma.c | 4
> arch/parisc/Kconfig | 1
> arch/parisc/kernel/pci-dma.c | 6
> arch/powerpc/include/asm/dma-direct.h | 4
> arch/powerpc/kernel/dma-iommu.c | 2
> arch/powerpc/platforms/ps3/system-bus.c | 4
> arch/powerpc/platforms/pseries/vio.c | 2
> arch/s390/pci/pci_dma.c | 2
> arch/x86/kernel/amd_gart_64.c | 8
> drivers/gpu/drm/exynos/exynos_drm_gem.c | 2
> drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c | 3
> drivers/iommu/dma-iommu.c | 2
> drivers/iommu/intel/iommu.c | 6
> drivers/media/common/videobuf2/videobuf2-core.c | 36 --
> drivers/media/common/videobuf2/videobuf2-dma-contig.c | 19 -
> drivers/media/common/videobuf2/videobuf2-dma-sg.c | 3
> drivers/media/common/videobuf2/videobuf2-v4l2.c | 12
> drivers/net/ethernet/amd/au1000_eth.c | 15 -
> drivers/net/ethernet/i825xx/lasi_82596.c | 36 +-
> drivers/net/ethernet/i825xx/lib82596.c | 148 +++++-----
> drivers/net/ethernet/i825xx/sni_82596.c | 23 -
> drivers/net/ethernet/seeq/sgiseeq.c | 24 -
> drivers/nvme/host/pci.c | 79 ++---
> drivers/parisc/ccio-dma.c | 2
> drivers/parisc/sba_iommu.c | 2
> drivers/scsi/53c700.c | 120 ++++----
> drivers/scsi/53c700.h | 9
> drivers/scsi/sgiwd93.c | 14
> drivers/xen/swiotlb-xen.c | 2
> include/linux/dma-direct.h | 55 ++-
> include/linux/dma-mapping.h | 32 +-
> include/linux/dma-noncoherent.h | 21 -
> include/linux/dmapool.h | 23 +
> include/linux/gfp.h | 6
> include/media/videobuf2-core.h | 3
> include/uapi/linux/videodev2.h | 2
> kernel/dma/Kconfig | 9
> kernel/dma/Makefile | 1
> kernel/dma/coherent.c | 17 +
> kernel/dma/direct.c | 112 +++++--
> kernel/dma/mapping.c | 104 ++-----
> kernel/dma/ops_helpers.c | 86 ++++++
> kernel/dma/pool.c | 2
> kernel/dma/swiotlb.c | 4
> kernel/dma/virt.c | 2
> mm/dmapool.c | 211 +++++++++------
> sound/mips/hal2.c | 58 +---
> 71 files changed, 872 insertions(+), 803 deletions(-)
>
Powered by blists - more mailing lists