diff --git a/sys/x86/include/x86_var.h b/sys/x86/include/x86_var.h
--- a/sys/x86/include/x86_var.h
+++ b/sys/x86/include/x86_var.h
@@ -104,6 +104,12 @@
 struct	trapframe;
 struct	minidumpstate;
 
+/*
+ * NMI callback function to allow framework like kdb, watchdog be able to call
+ * their callback handlers in trap handling path.
+ */
+typedef bool (*nmi_fn)(u_int, u_int, struct trapframe *);
+
 /*
  * The interface type of the interrupt handler entry point cannot be
  * expressed in C.  Use simplest non-variadic function type as an
@@ -144,8 +150,8 @@
 void	x86_rngds_mitg_recalculate(bool all_cpus);
 void	zenbleed_sanitize_enable(void);
 void	zenbleed_check_and_apply(bool all_cpus);
-void	nmi_call_kdb(u_int cpu, u_int type, struct trapframe *frame);
-void	nmi_call_kdb_smp(u_int type, struct trapframe *frame);
+bool	nmi_call_kdb(u_int cpu, u_int type, struct trapframe *frame);
+bool	nmi_call_handler_smp(u_int type, struct trapframe *frame, nmi_fn cb_fn);
 void	nmi_handle_intr(u_int type, struct trapframe *frame);
 void	pagecopy(void *from, void *to);
 void	printcpuinfo(void);
diff --git a/sys/x86/x86/cpu_machdep.c b/sys/x86/x86/cpu_machdep.c
--- a/sys/x86/x86/cpu_machdep.c
+++ b/sys/x86/x86/cpu_machdep.c
@@ -845,7 +845,7 @@
     "Chipset NMI is broadcast");
 int (*apei_nmi)(void);
 
-void
+bool
 nmi_call_kdb(u_int cpu, u_int type, struct trapframe *frame)
 {
 	bool claimed = false;
@@ -883,6 +883,8 @@
 
 	if (!claimed && panic_on_nmi != 0)
 		panic("NMI");
+
+	return (claimed);
 }
 
 void
@@ -891,7 +893,7 @@
 
 #ifdef SMP
 	if (nmi_is_broadcast) {
-		nmi_call_kdb_smp(type, frame);
+		nmi_call_handler_smp(type, frame, nmi_call_kdb);
 		return;
 	}
 #endif
diff --git a/sys/x86/x86/mp_x86.c b/sys/x86/x86/mp_x86.c
--- a/sys/x86/x86/mp_x86.c
+++ b/sys/x86/x86/mp_x86.c
@@ -1487,15 +1487,19 @@
 
 int nmi_kdb_lock;
 
-void
-nmi_call_kdb_smp(u_int type, struct trapframe *frame)
+bool
+nmi_call_handler_smp(u_int type, struct trapframe *frame, nmi_fn cb_fn)
 {
-	int cpu;
-	bool call_post;
+	u_int cpu;
+	bool call_post, claimed;
+
+	if (cb_fn == NULL)
+		return (false);
 
 	cpu = PCPU_GET(cpuid);
+	claimed = false;
 	if (atomic_cmpset_acq_int(&nmi_kdb_lock, 0, 1)) {
-		nmi_call_kdb(cpu, type, frame);
+		claimed = (*cb_fn)(cpu, type, frame);
 		call_post = false;
 	} else {
 		savectx(&stoppcbs[cpu]);
@@ -1507,6 +1511,8 @@
 	atomic_store_rel_int(&nmi_kdb_lock, 0);
 	if (call_post)
 		cpustop_handler_post(cpu);
+
+	return (claimed);
 }
 
 /*