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[PATCH] x86_64: Fix CONFIG_IOMMU_DEBUG
authorMuli Ben-Yehuda <muli@il.ibm.com>
Wed, 2 Aug 2006 20:37:31 +0000 (22:37 +0200)
committerLinus Torvalds <torvalds@g5.osdl.org>
Thu, 3 Aug 2006 03:19:54 +0000 (20:19 -0700)
commita166222cde740b34d97fe49dca70348197f4534e
tree8caa6970e98ebef60b35ab2b4e3f6829efd464fetree | snapshot
parent2699500b31f41fc25656c42548c8a388c8a329fecommit | diff
[PATCH] x86_64: Fix CONFIG_IOMMU_DEBUG

If CONFIG_IOMMU_DEBUG is set force_iommu defaults to 1. In the case
where no HW IOMMU is present in the machine and we end up using nommu,
leaving force_iommu set to 1 causes dma_alloc_coherent to do the wrong
thing. Therefore, if we end up using nommu, make sure force_iommu is
0.

Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/pci-nommu.c diff | blob | history
https://github.com/torvalds/linux.git