X86: integrate CMA with DMA-mapping subsystem

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This patch adds support for CMA to dma-mapping subsystem for x86
architecture that uses common pci-dma/pci-nommu implementation. This
allows to test CMA on KVM/QEMU and a lot of common x86 boxes.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

...

This commit is contained in:

Marek Szyprowski 2011-12-29 13:09:51 +01:00

parent c64be2bb1c

commit 0a2b9a6ea9

6 changed files with 38 additions and 9 deletions

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1

arch/x86/Kconfig

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13

arch/x86/include/asm/dma-contiguous.h

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5

arch/x86/include/asm/dma-mapping.h

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18

arch/x86/kernel/pci-dma.c

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8

arch/x86/kernel/pci-nommu.c

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2

arch/x86/kernel/setup.c

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