KVM: Drop unused evaluations from string pio handlers
Looks like neither the direction nor the rep prefix are used anymore.
Drop related evaluations from SVM's and VMX's I/O exit handlers.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index df454de..509b353 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2698,7 +2698,7 @@
static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
unsigned long exit_qualification;
- int size, down, in, string, rep;
+ int size, in, string;
unsigned port;
++vcpu->stat.io_exits;
@@ -2714,8 +2714,6 @@
size = (exit_qualification & 7) + 1;
in = (exit_qualification & 8) != 0;
- down = (vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_DF) != 0;
- rep = (exit_qualification & 32) != 0;
port = exit_qualification >> 16;
skip_emulated_instruction(vcpu);