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/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 8e4f64f..6a66c5f 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -914,7 +914,7 @@
 	/* We get here with MSR.EE=1 */
 
 	trace_kvm_exit(exit_nr, vcpu);
-	kvm_guest_exit();
+	guest_exit();
 
 	switch (exit_nr) {
 	case BOOK3S_INTERRUPT_INST_STORAGE:
@@ -1531,7 +1531,7 @@
 
 	kvmppc_clear_debug(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. */
 
 	/* Make sure we save the guest FPU/Altivec/VSX state */