[patch-RFC 03/26] LTTng Kernel Trace Thread Flag AVR32

From: Mathieu Desnoyers
Date: Wed Dec 05 2007 - 21:46:39 EST


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

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
---
include/asm-avr32/thread_info.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6-lttng/include/asm-avr32/thread_info.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-avr32/thread_info.h 2007-07-30 18:49:43.000000000 -0400
+++ linux-2.6-lttng/include/asm-avr32/thread_info.h 2007-07-30 18:59:15.000000000 -0400
@@ -83,6 +83,7 @@ static inline struct thread_info *curren
#define TIF_MEMDIE 6
#define TIF_RESTORE_SIGMASK 7 /* restore signal mask in do_signal */
#define TIF_CPU_GOING_TO_SLEEP 8 /* CPU is entering sleep 0 mode */
+#define TIF_KERNEL_TRACE 9 /* kernel trace active */
#define TIF_USERSPACE 31 /* true if FS sets userspace */

#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
@@ -94,12 +95,13 @@ static inline struct thread_info *curren
#define _TIF_MEMDIE (1 << TIF_MEMDIE)
#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
#define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP)
+#define _TIF_KERNEL_TRACE (1 << TIF_KERNEL_TRACE)

/* XXX: These two masks must never span more than 16 bits! */
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK 0x0000013e
/* work to do on any return to userspace */
-#define _TIF_ALLWORK_MASK 0x0000013f
+#define _TIF_ALLWORK_MASK 0x0000033f
/* work to do on return from debug mode */
#define _TIF_DBGWORK_MASK 0x0000017e


--
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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