1 files changed, 6 insertions, 6 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9f72a443455b..9b0758b4d550 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3806,12 +3806,12 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
         longmode = is_long_mode(vcpu) && cs_l == 1;
 
         if (!longmode) {
-                param = (kvm_register_read(vcpu, VCPU_REGS_RDX) << 32) |
-                        (kvm_register_read(vcpu, VCPU_REGS_RAX) & 0xffffff);
-                ingpa = (kvm_register_read(vcpu, VCPU_REGS_RBX) << 32) |
-                        (kvm_register_read(vcpu, VCPU_REGS_RCX) & 0xffffff);
-                outgpa = (kvm_register_read(vcpu, VCPU_REGS_RDI) << 32) |
-                        (kvm_register_read(vcpu, VCPU_REGS_RSI) & 0xffffff);
+                param = ((u64)kvm_register_read(vcpu, VCPU_REGS_RDX) << 32) |
+                        (kvm_register_read(vcpu, VCPU_REGS_RAX) & 0xffffffff);
+                ingpa = ((u64)kvm_register_read(vcpu, VCPU_REGS_RBX) << 32) |
+                        (kvm_register_read(vcpu, VCPU_REGS_RCX) & 0xffffffff);
+                outgpa = ((u64)kvm_register_read(vcpu, VCPU_REGS_RDI) << 32) |
+                        (kvm_register_read(vcpu, VCPU_REGS_RSI) & 0xffffffff);
         }
 #ifdef CONFIG_X86_64
         else {