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

Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]>
---
 include/asm-xtensa/thread_info.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6-lttng/include/asm-xtensa/thread_info.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-xtensa/thread_info.h       2007-09-04 
11:50:18.000000000 -0400
+++ linux-2.6-lttng/include/asm-xtensa/thread_info.h    2007-09-04 
12:20:19.000000000 -0400
@@ -116,6 +116,7 @@ static inline struct thread_info *curren
 #define TIF_IRET               4       /* return with iret */
 #define TIF_MEMDIE             5
 #define TIF_RESTORE_SIGMASK    6       /* restore signal mask in do_signal() */
+#define TIF_KERNEL_TRACE       7       /* kernel trace active */
 #define TIF_POLLING_NRFLAG     16      /* true if poll_idle() is polling 
TIF_NEED_RESCHED */
 
 #define _TIF_SYSCALL_TRACE     (1<<TIF_SYSCALL_TRACE)
@@ -123,10 +124,11 @@ static inline struct thread_info *curren
 #define _TIF_NEED_RESCHED      (1<<TIF_NEED_RESCHED)
 #define _TIF_SINGLESTEP                (1<<TIF_SINGLESTEP)
 #define _TIF_IRET              (1<<TIF_IRET)
+#define _TIF_KERNEL_TRACE      (1<<TIF_KERNEL_TRACE)
 #define _TIF_POLLING_NRFLAG    (1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK   (1<<TIF_RESTORE_SIGMASK)
 
-#define _TIF_WORK_MASK         0x0000FFFE      /* work to do on 
interrupt/exception return */
+#define _TIF_WORK_MASK         0x0000FF7E      /* work to do on 
interrupt/exception return */
 #define _TIF_ALLWORK_MASK      0x0000FFFF      /* work to do on any return to 
u-space */
 
 /*

-- 
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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