For 32bit machines where the physical address width is
larger than the virtual address width the frame number types
in KVM may overflow. Fix this by changing them to u64.
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
include/linux/kvm_types.h | 4 ++--
virt/kvm/iommu.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index fb46efb..7ac0d4e 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -32,11 +32,11 @@
typedef unsigned long gva_t;
typedef u64 gpa_t;
-typedef unsigned long gfn_t;
+typedef u64 gfn_t;
typedef unsigned long hva_t;
typedef u64 hpa_t;
-typedef unsigned long hfn_t;
+typedef u64 hfn_t;
typedef hfn_t pfn_t;
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 673c88a..22fc28b 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -108,7 +108,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
get_order(page_size), flags);
if (r) {
printk(KERN_ERR "kvm_iommu_map_address:"
- "iommu failed to map pfn=%lx\n", pfn);
+ "iommu failed to map pfn=%llx\n", pfn);
goto unmap_pages;
}
--
1.7.0.4
--
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