Index: head/sys/powerpc/powerpc/interrupt.c
===================================================================
--- head/sys/powerpc/powerpc/interrupt.c
+++ head/sys/powerpc/powerpc/interrupt.c
@@ -118,9 +118,9 @@
 		critical_enter();
 		KASSERT(pmc_intr != NULL, ("Performance exception, but no handler!"));
 		(*pmc_intr)(framep);
+		critical_exit();
 		if (pmc_hook && (PCPU_GET(curthread)->td_pflags & TDP_CALLCHAIN))
 			pmc_hook(PCPU_GET(curthread), PMC_FN_USER_CALLCHAIN, framep);
-		critical_exit();
 		break;
 #endif