MIPS: KVM: Use va in kvm_get_inst()

Like other functions, make use of a local unsigned long va, for the
virtual address of the PC. This reduces the amount of verbose casting of
the opc pointer to an unsigned long.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 7 insertions, 8 deletions

diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index ad3125fa9c61..208f70409ccb 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -327,17 +327,18 @@ u32 kvm_get_inst(u32 *opc, struct kvm_vcpu *vcpu)
 {
         struct mips_coproc *cop0 = vcpu->arch.cop0;
         unsigned long paddr, flags, vpn2, asid;
+        unsigned long va = (unsigned long)opc;
         u32 inst;
         int index;
 
-        if (KVM_GUEST_KSEGX((unsigned long) opc) < KVM_GUEST_KSEG0 ||
-            KVM_GUEST_KSEGX((unsigned long) opc) == KVM_GUEST_KSEG23) {
+        if (KVM_GUEST_KSEGX(va) < KVM_GUEST_KSEG0 ||
+            KVM_GUEST_KSEGX(va) == KVM_GUEST_KSEG23) {
                 local_irq_save(flags);
-                index = kvm_mips_host_tlb_lookup(vcpu, (unsigned long) opc);
+                index = kvm_mips_host_tlb_lookup(vcpu, va);
                 if (index >= 0) {
                         inst = *(opc);
                 } else {
-                        vpn2 = (unsigned long) opc & VPN2_MASK;
+                        vpn2 = va & VPN2_MASK;
                         asid = kvm_read_c0_guest_entryhi(cop0) &
                                                 KVM_ENTRYHI_ASID;
                         index = kvm_mips_guest_tlb_lookup(vcpu, vpn2 | asid);
@@ -354,10 +355,8 @@ u32 kvm_get_inst(u32 *opc, struct kvm_vcpu *vcpu)
                         inst = *(opc);
                 }
                 local_irq_restore(flags);
-        } else if (KVM_GUEST_KSEGX(opc) == KVM_GUEST_KSEG0) {
-                paddr =
-                    kvm_mips_translate_guest_kseg0_to_hpa(vcpu,
-                                                          (unsigned long) opc);
+        } else if (KVM_GUEST_KSEGX(va) == KVM_GUEST_KSEG0) {
+                paddr = kvm_mips_translate_guest_kseg0_to_hpa(vcpu, va);
                 inst = *(u32 *) CKSEG0ADDR(paddr);
         } else {
                 kvm_err("%s: illegal address: %p\n", __func__, opc);