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authorIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
committerIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
commitbefddb21c845f8fb49e637997891ef97c6a869dc (patch)
tree0e7629123184f2dd50291ad6d477b894175f0f26 /include/linux/context_tracking.h
parente716efde75267eab919cdb2bef5b2cb77f305326 (diff)
parent7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff)
Merge tag 'v3.8-rc4' into irq/core
Merge Linux 3.8-rc4 before pulling in new commits - we were on an old v3.7 base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/context_tracking.h')
-rw-r--r--include/linux/context_tracking.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
new file mode 100644
index 000000000000..e24339ccb7f0
--- /dev/null
+++ b/include/linux/context_tracking.h
@@ -0,0 +1,18 @@
+#ifndef _LINUX_CONTEXT_TRACKING_H
+#define _LINUX_CONTEXT_TRACKING_H
+
+#ifdef CONFIG_CONTEXT_TRACKING
+#include <linux/sched.h>
+
+extern void user_enter(void);
+extern void user_exit(void);
+extern void context_tracking_task_switch(struct task_struct *prev,
+ struct task_struct *next);
+#else
+static inline void user_enter(void) { }
+static inline void user_exit(void) { }
+static inline void context_tracking_task_switch(struct task_struct *prev,
+ struct task_struct *next) { }
+#endif /* !CONFIG_CONTEXT_TRACKING */
+
+#endif