1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index 8b68ce78ff1..be7b33b73d3 100644
--- a/kernel/debug/kdb/kdb_debugger.c
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -12,6 +12,7 @@
 #include <linux/kdb.h>
 #include <linux/kdebug.h>
 #include <linux/export.h>
+#include <linux/hardirq.h>
 #include "kdb_private.h"
 #include "../debug_core.h"
 
@@ -52,6 +53,9 @@ int kdb_stub(struct kgdb_state *ks)
         if (atomic_read(&kgdb_setting_breakpoint))
                 reason = KDB_REASON_KEYBOARD;
 
+        if (in_nmi())
+                reason = KDB_REASON_NMI;
+
         for (i = 0, bp = kdb_breakpoints; i < KDB_MAXBPT; i++, bp++) {
                 if ((bp->bp_enabled) && (bp->bp_addr == addr)) {
                         reason = KDB_REASON_BREAK;