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-rw-r--r--arch/x86/include/asm/amd_iommu_types.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index b332b7f7d8d..4899f783df6 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -211,6 +211,9 @@ extern bool amd_iommu_dump;
printk(KERN_INFO "AMD-Vi: " format, ## arg); \
} while(0);
+/* global flag if IOMMUs cache non-present entries */
+extern bool amd_iommu_np_cache;
+
/*
* Make iterating over all IOMMUs easier
*/