KVM: remove kvm_guest_enter/exit wrappers

Use the functions from context_tracking.h directly.

Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 4afae69..02b4672 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -776,7 +776,7 @@
 
 	ret = __kvmppc_vcpu_run(kvm_run, vcpu);
 
-	/* No need for kvm_guest_exit. It's done in handle_exit.
+	/* No need for guest_exit. It's done in handle_exit.
 	   We also get here with interrupts enabled. */
 
 	/* Switch back to user space debug context */
@@ -1012,7 +1012,7 @@
 	}
 
 	trace_kvm_exit(exit_nr, vcpu);
-	__kvm_guest_exit();
+	guest_exit_irqoff();
 
 	local_irq_enable();