summaryrefslogtreecommitdiff
path: root/include/linux/preempt.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/preempt.h')
-rw-r--r--include/linux/preempt.h32
1 files changed, 30 insertions, 2 deletions
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 5a710b9c578e..5e712854fc8d 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -54,11 +54,17 @@ do { \
dec_preempt_count(); \
} while (0)
-#define preempt_enable_no_resched() sched_preempt_enable_no_resched()
+#ifndef CONFIG_PREEMPT_RT_BASE
+# define preempt_enable_no_resched() sched_preempt_enable_no_resched()
+# define preempt_check_resched_rt() do { } while (0)
+#else
+# define preempt_enable_no_resched() preempt_enable()
+# define preempt_check_resched_rt() preempt_check_resched()
+#endif
#define preempt_enable() \
do { \
- preempt_enable_no_resched(); \
+ sched_preempt_enable_no_resched(); \
barrier(); \
preempt_check_resched(); \
} while (0)
@@ -101,9 +107,31 @@ do { \
#define preempt_disable_notrace() do { } while (0)
#define preempt_enable_no_resched_notrace() do { } while (0)
#define preempt_enable_notrace() do { } while (0)
+#define preempt_check_resched_rt() do { } while (0)
#endif /* CONFIG_PREEMPT_COUNT */
+#ifdef CONFIG_PREEMPT_RT_FULL
+# define preempt_disable_rt() preempt_disable()
+# define preempt_enable_rt() preempt_enable()
+# define preempt_disable_nort() do { } while (0)
+# define preempt_enable_nort() do { } while (0)
+# ifdef CONFIG_SMP
+ extern void migrate_disable(void);
+ extern void migrate_enable(void);
+# else /* CONFIG_SMP */
+# define migrate_disable() do { } while (0)
+# define migrate_enable() do { } while (0)
+# endif /* CONFIG_SMP */
+#else
+# define preempt_disable_rt() do { } while (0)
+# define preempt_enable_rt() do { } while (0)
+# define preempt_disable_nort() preempt_disable()
+# define preempt_enable_nort() preempt_enable()
+# define migrate_disable() preempt_disable()
+# define migrate_enable() preempt_enable()
+#endif
+
#ifdef CONFIG_PREEMPT_NOTIFIERS
struct preempt_notifier;