KVM: MMU: make return value of mmio page fault handler more readable
Define some meaningful names instead of raw code
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 78ee123..85c8d51 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5366,10 +5366,10 @@
gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
ret = handle_mmio_page_fault_common(vcpu, gpa, true);
- if (likely(ret == 1))
+ if (likely(ret == RET_MMIO_PF_EMULATE))
return x86_emulate_instruction(vcpu, gpa, 0, NULL, 0) ==
EMULATE_DONE;
- if (unlikely(!ret))
+ if (unlikely(ret == RET_MMIO_PF_RETRY))
return 1;
/* It is the real ept misconfig */