Messages in this thread Patch in this message | | | Date | Sat, 09 May 2009 12:22:28 -0400 | From | Mathieu Desnoyers <> | Subject | [RFC patch 19/20] LTTng Kernel Trace Thread Flag xtensa |
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Add a thread flag to activate system-wide syscall tracing.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> --- arch/xtensa/include/asm/thread_info.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6-lttng/arch/xtensa/include/asm/thread_info.h =================================================================== --- linux-2.6-lttng.orig/arch/xtensa/include/asm/thread_info.h 2009-03-15 15:51:26.000000000 -0400 +++ linux-2.6-lttng/arch/xtensa/include/asm/thread_info.h 2009-03-15 15:57:21.000000000 -0400 @@ -133,6 +133,7 @@ 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_FREEZE 17 /* is freezing for suspend */ @@ -141,11 +142,12 @@ 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_FREEZE (1<<TIF_FREEZE) -#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 OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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