Messages in this thread Patch in this message | | | Date | Sat, 09 May 2009 12:22:18 -0400 | From | Mathieu Desnoyers <> | Subject | [RFC patch 09/20] LTTng Kernel Trace Thread Flag m32r |
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Add a thread flag to activate system-wide syscall tracing.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> --- arch/m32r/include/asm/thread_info.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
Index: linux-2.6-lttng/arch/m32r/include/asm/thread_info.h =================================================================== --- linux-2.6-lttng.orig/arch/m32r/include/asm/thread_info.h 2009-05-09 11:39:23.000000000 -0400 +++ linux-2.6-lttng/arch/m32r/include/asm/thread_info.h 2009-05-09 11:40:38.000000000 -0400 @@ -151,6 +151,7 @@ static inline unsigned int get_thread_fa #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ #define TIF_IRET 4 /* return with iret */ +#define TIF_KERNEL_TRACE 5 /* kernel trace active */ #define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */ #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 */ @@ -162,13 +163,17 @@ static inline unsigned int get_thread_fa #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_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1<<TIF_FREEZE) -#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 any return to u-space */ +#define _TIF_ALLWORK_MASK 0x0000FFFF +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK \ + (0x0000FFFF & ~(_TIF_SYSCALL_TRACE | _TIF_KERNEL_TRACE)) /* * Thread-synchronous status. -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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