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author | Joerg Roedel <jroedel@suse.de> | 2017-06-15 10:36:22 +0200 |
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committer | Joerg Roedel <jroedel@suse.de> | 2017-06-16 10:21:05 +0200 |
commit | 54bd63570484167cb13edf81e31fff107b879981 (patch) | |
tree | 28e5fe4889ba7e939a9f78c51c0b50d73a6e9092 /drivers/iommu/amd_iommu_types.h | |
parent | ac3b708ad49f77b44faa104057783f161491e9e4 (diff) | |
download | op-kernel-dev-54bd63570484167cb13edf81e31fff107b879981.zip op-kernel-dev-54bd63570484167cb13edf81e31fff107b879981.tar.gz |
iommu/amd: Suppress IO_PAGE_FAULTs in kdump kernel
When booting into a kdump kernel, suppress IO_PAGE_FAULTs by
default for all devices. But allow the faults again when a
domain is assigned to a device.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd_iommu_types.h')
-rw-r--r-- | drivers/iommu/amd_iommu_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 6960d7d..294a409 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -322,6 +322,7 @@ #define IOMMU_PTE_IW (1ULL << 62) #define DTE_FLAG_IOTLB (1ULL << 32) +#define DTE_FLAG_SA (1ULL << 34) #define DTE_FLAG_GV (1ULL << 55) #define DTE_FLAG_MASK (0x3ffULL << 32) #define DTE_GLX_SHIFT (56) |