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AMD IOMMU: set device table entry for aliased devices
author
Joerg Roedel
<joerg.roedel@amd.com>
Tue, 25 Nov 2008 11:56:12 +0000
(12:56 +0100)
committer
Joerg Roedel
<joerg.roedel@amd.com>
Wed, 3 Dec 2008 11:20:46 +0000
(12:20 +0100)
In some rare cases a request can arrive an IOMMU with its originial
requestor id even it is aliased. Handle this by setting the device table
entry to the same protection domain for the original and the aliased
requestor id.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
arch/x86/kernel/amd_iommu.c
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diff --git
a/arch/x86/kernel/amd_iommu.c
b/arch/x86/kernel/amd_iommu.c
index
e4899e0
..
a232e5a
100644
(file)
--- a/
arch/x86/kernel/amd_iommu.c
+++ b/
arch/x86/kernel/amd_iommu.c
@@
-858,6
+858,9
@@
static int get_device_resources(struct device *dev,
print_devid(_bdf, 1);
}
+ if (domain_for_device(_bdf) == NULL)
+ set_device_domain(*iommu, *domain, _bdf);
+
return 1;
}