mm/hotplug: invalid PFNs from pfn_to_online_page()

[mirror_ubuntu-bionic-kernel.git] / include / linux / hardirq.h

diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 0fbbcdf0c178ec5dc6ff5372fa248b121b65b49d..da0af631ded5b651d549e03d805d0da1e8083ab4 100644 (file)
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -60,8 +60,14 @@ extern void irq_enter(void);
  */
 extern void irq_exit(void);
 
+#ifndef arch_nmi_enter
+#define arch_nmi_enter()       do { } while (0)
+#define arch_nmi_exit()                do { } while (0)
+#endif
+
 #define nmi_enter()                                            \
        do {                                                    \
+               arch_nmi_enter();                               \
                printk_nmi_enter();                             \
                lockdep_off();                                  \
                ftrace_nmi_enter();                             \
@@ -80,6 +86,7 @@ extern void irq_exit(void);
                ftrace_nmi_exit();                              \
                lockdep_on();                                   \
                printk_nmi_exit();                              \
+               arch_nmi_exit();                                \
        } while (0)
 
 #endif /* LINUX_HARDIRQ_H */