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(parent: cf41712) | patch
x86: Fix iommu=nodac parameter handling
authorTejun Heo <tj@kernel.org>
Mon, 26 Oct 2009 14:41:46 +0000 (15:41 +0100)
committerIngo Molnar <mingo@elte.hu>
Sun, 8 Nov 2009 12:19:05 +0000 (13:19 +0100)
commit93ac142b904e3d2b9c31ef816d956b60929d67b6
treeebdf989299d9e5ec460e164671af0dbdbee13f4btree | snapshot
parentcf4171226a480a72bffea65243de4a5bcdfe82ffcommit | diff
x86: Fix iommu=nodac parameter handling

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>
arch/x86/kernel/pci-dma.c diff | blob | history
Linux Kernel Source Tree.