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>

diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 8123125..9b9b5cd 100644 (file)
--- 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 fb46efb..7ac0d4e 100644 (file)
--- 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 7795595..62a9caf 100644 (file)
--- 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;
                }