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

Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]>
---
 include/asm-cris/thread_info.h |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

Index: linux-2.6-lttng/include/asm-cris/thread_info.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-cris/thread_info.h 2007-11-15 
21:18:41.000000000 -0500
+++ linux-2.6-lttng/include/asm-cris/thread_info.h      2007-11-15 
21:32:07.000000000 -0500
@@ -83,6 +83,7 @@ struct thread_info {
 #define TIF_NOTIFY_RESUME      1       /* resumption notification requested */
 #define TIF_SIGPENDING         2       /* signal pending */
 #define TIF_NEED_RESCHED       3       /* rescheduling necessary */
+#define TIF_KERNEL_TRACE       4       /* kernel trace active */
 #define TIF_RESTORE_SIGMASK    9       /* restore signal mask in do_signal() */
 #define TIF_POLLING_NRFLAG     16      /* true if poll_idle() is polling 
TIF_NEED_RESCHED */
 #define TIF_MEMDIE             17
@@ -91,11 +92,15 @@ struct thread_info {
 #define _TIF_NOTIFY_RESUME     (1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING                (1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED      (1<<TIF_NEED_RESCHED)
+#define _TIF_KERNEL_TRACE      (1<<TIF_KERNEL_TRACE)
 #define _TIF_RESTORE_SIGMASK   (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_POLLING_NRFLAG    (1<<TIF_POLLING_NRFLAG)
 
-#define _TIF_WORK_MASK         0x0000FFFE      /* work to do on 
interrupt/exception return */
-#define _TIF_ALLWORK_MASK      0x0000FFFF      /* work to do on any return to 
u-space */
+/* work to do on interrupt/exception return */
+#define _TIF_WORK_MASK         0x0000FFFF & \
+               (~_TIF_SYSCALL_TRACE | ~_TIF_KERNEL_TRACE)
+/* work to do on any return to u-space */
+#define _TIF_ALLWORK_MASK      0x0000FFFF
 
 #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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