Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb...

[linux-2.6-block.git] / include / trace / syscall.h

diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index fed853f3d7aa8a637209bcd72f042a177b754aad..9674145e2f6abf910b88b6be6c7b66b4d56dc152 100644 (file)
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -4,6 +4,7 @@
 #include <linux/tracepoint.h>
 #include <linux/unistd.h>
 #include <linux/ftrace_event.h>
+#include <linux/thread_info.h>
 
 #include <asm/ptrace.h>
 
@@ -32,4 +33,18 @@ struct syscall_metadata {
        struct ftrace_event_call *exit_event;
 };
 
+#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
+static inline void syscall_tracepoint_update(struct task_struct *p)
+{
+       if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
+               set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
+       else
+               clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
+}
+#else
+static inline void syscall_tracepoint_update(struct task_struct *p)
+{
+}
+#endif
+
 #endif /* _TRACE_SYSCALL_H */