x86: make GART to respect device's dma_mask about virtual mappings

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Currently, GART IOMMU ingores device's dma_mask when it does virtual
mappings. So it could give a device a virtual address that the device
can't access to.

This patch fixes the above problem.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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FUJITA Tomonori 2008-09-12 19:42:35 +09:00 • committed by Ingo Molnar

parent 589fc9a6e2

commit bee44f294e

1 changed files with 28 additions and 11 deletions

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arch/x86/kernel/pci-gart_64.c

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