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authorJoerg Roedel <joerg.roedel@amd.com>2010-07-01 16:00:12 +0200
committerAvi Kivity <avi@redhat.com>2010-08-02 06:39:44 +0300
commit5689cc53fa9d09b5bf41b1b1a7c90bd6c112ab40 (patch)
tree1bfe4bdf8cbad3938e2cd8b76eac10c8023ba04d
parent828554136bbacae6e39fc31b9cd7e7c660ad7530 (diff)
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KVM: Use u64 for frame data types
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. [sfr: fix build on 32-bit ppc] Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/powerpc/kvm/44x_tlb.c3
-rw-r--r--include/linux/kvm_types.h4
-rw-r--r--virt/kvm/iommu.c2
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 812312542e5..9b9b5cdea84 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -316,7 +316,8 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
gfn = gpaddr >> PAGE_SHIFT;
new_page = gfn_to_page(vcpu->kvm, gfn);
if (is_error_page(new_page)) {
- printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn);
+ printk(KERN_ERR "Couldn't get guest page for gfn %llx!\n",
+ (unsigned long long)gfn);
kvm_release_page_clean(new_page);
return;
}
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index fb46efbeabe..7ac0d4eee43 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 779559552ce..62a9caf0563 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;
}