[patch-RFC 17/26] LTTng Kernel Trace Thread Flag SH

From: Mathieu Desnoyers
Date: Wed Dec 05 2007 - 21:50:16 EST


Add a thread flag to activate system-wide syscall tracing.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
---
include/asm-sh/thread_info.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6-lttng/include/asm-sh/thread_info.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-sh/thread_info.h 2007-07-30 18:46:17.000000000 -0400
+++ linux-2.6-lttng/include/asm-sh/thread_info.h 2007-07-30 19:11:39.000000000 -0400
@@ -111,6 +111,7 @@ static inline struct thread_info *curren
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_RESTORE_SIGMASK 3 /* restore signal mask in do_signal() */
#define TIF_SINGLESTEP 4 /* singlestepping active */
+#define TIF_KERNEL_TRACE 5 /* kernel trace active */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_MEMDIE 18
@@ -121,11 +122,12 @@ static inline struct thread_info *curren
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
+#define _TIF_KERNEL_TRACE (1<<TIF_KERNEL_TRACE)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1<<TIF_FREEZE)

-#define _TIF_WORK_MASK 0x000000FE /* work to do on interrupt/exception return */
+#define _TIF_WORK_MASK 0x000000DE /* work to do on interrupt/exception return */
#define _TIF_ALLWORK_MASK 0x000000FF /* work to do on any return to u-space */

#endif /* __KERNEL__ */

--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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