]>
Commit | Line | Data |
---|---|---|
2cb7cef9 BS |
1 | From: Tejun Heo <tj@kernel.org> |
2 | Subject: x86: fix iommu=nodac parameter handling | |
3 | References: bnc#463829, bnc#482220 | |
4 | ||
5 | nodac should forbid dac not instead of enabling it. Fix it. | |
6 | ||
7 | Signed-off-by: Tejun Heo <tj@kernel.org> | |
8 | Signed-off-by: Tejun Heo <teheo@suse.de> | |
9 | Automatically created from "patches.arch/x86-fix-nodac" by xen-port-patches.py | |
10 | ||
11 | --- sle11-2009-03-04.orig/arch/x86/kernel/pci-dma-xen.c 2009-03-04 11:29:03.000000000 +0100 | |
12 | +++ sle11-2009-03-04/arch/x86/kernel/pci-dma-xen.c 2009-03-04 11:37:52.000000000 +0100 | |
13 | @@ -198,7 +198,7 @@ static __init int iommu_setup(char *p) | |
14 | if (!strncmp(p, "allowdac", 8)) | |
15 | forbid_dac = 0; | |
16 | if (!strncmp(p, "nodac", 5)) | |
17 | - forbid_dac = -1; | |
18 | + forbid_dac = 1; | |
19 | if (!strncmp(p, "usedac", 6)) { | |
20 | forbid_dac = -1; | |
21 | return 1; |