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authorIngo Molnar <mingo@kernel.org>2014-07-28 10:00:33 +0200
committerIngo Molnar <mingo@kernel.org>2014-07-28 10:00:33 +0200
commit5030c69755416d19516c0a61cd988a0e0062e041 (patch)
treeca4d3088428cf033420f9df9111d796650bc59e5 /include/trace/syscall.h
parent2336ebc32676df5b794acfe0c980583ec6c05f34 (diff)
parent64aa90f26c06e1cb2aacfb98a7d0eccfbd6c1a91 (diff)
Merge tag 'v3.16-rc7' into perf/core, to merge in the latest fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/trace/syscall.h')
-rw-r--r--include/trace/syscall.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index fed853f3d7a..9674145e2f6 100644
--- 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 */