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(parent: 03146ec) | patch
x86: Fix iommu=nodac parameter handling
authorTejun Heo <tj@kernel.org>
Mon, 26 Oct 2009 14:41:46 +0000 (15:41 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 18 Dec 2009 21:43:42 +0000 (13:43 -0800)
commit671ca70a2f70399b42e632211f4c9c0c553506e9
tree85d2ec7c82f243fc7cf1f45ee4766032cf1251b1tree | snapshot
parent03146ec8b52708f80f1bb5f90d27f090c60541abcommit | diff
x86: Fix iommu=nodac parameter handling

commit 2ae8bb75db1f3de422eb5898f2a063c46c36dba8 upstream.

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>
LKML-Reference: <4AE5B52A.4050408@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
arch/x86/kernel/pci-dma.c diff | blob | history
Linux kernel for KaRo TX COM modules