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KVM: Use u64 for frame data types

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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>
This commit is contained in:
Joerg Roedel 2010-07-01 16:00:12 +02:00 committed by Avi Kivity
parent 828554136b
commit 5689cc53fa
3 changed files with 5 additions and 4 deletions
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3
arch/powerpc/kvm/44x_tlb.c
View file

@ -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;
}

4
include/linux/kvm_types.h
View file

@ -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;

2
virt/kvm/iommu.c
View file

@ -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;
}