From: Feng(Eric) Liu <[EMAIL PROTECTED]>
Since the type of gpa is u64, so extend pte_size to u64.
Otherwise, gpa may be truncated to u32.
Signed-off-by: Feng (Eric) Liu <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index cb62ef6..c85b904 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1477,7 +1477,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
if ((gpa & (pte_size - 1)) || (bytes < pte_size)) {
gentry = 0;
r = kvm_read_guest_atomic(vcpu->kvm,
- gpa & ~(pte_size - 1),
+ gpa & ~(u64)(pte_size - 1),
&gentry, pte_size);
new = (const void *)&gentry;
if (r < 0)
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