x86: Fix iommu=nodac parameter handling

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iommu=nodac should forbid dac instead of enabling it. Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Matteo Frigo <athena@fftw.org>
Cc: <stable@kernel.org> # .32.x and older
LKML-Reference: <4AE5B52A.4050408@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Tejun Heo 2009-10-26 15:41:46 +01:00 • committed by Ingo Molnar

parent 338bac527e

commit 2ae8bb75db

1 changed files with 1 additions and 1 deletions

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arch/x86/kernel/pci-dma.c

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