Add a thread flag to activate system-wide syscall tracing. Signed-off-by: Mathieu Desnoyers <[EMAIL PROTECTED]> CC: Thomas Gleixner <[EMAIL PROTECTED]> CC: Ingo Molnar <[EMAIL PROTECTED]> CC: H. Peter Anvin <[EMAIL PROTECTED]> --- include/asm-x86/thread_info_64.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6-lttng/include/asm-x86/thread_info_64.h =================================================================== --- linux-2.6-lttng.orig/include/asm-x86/thread_info_64.h 2007-11-02 11:06:22.000000000 -0400 +++ linux-2.6-lttng/include/asm-x86/thread_info_64.h 2007-11-02 12:02:57.000000000 -0400 @@ -107,6 +107,7 @@ static inline struct thread_info *stack_ * Warning: layout of LSW is hardcoded in entry.S */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_KERNEL_TRACE 1 /* kernel trace active */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* reenable singlestep on user return*/ @@ -125,6 +126,7 @@ static inline struct thread_info *stack_ #define TIF_FREEZE 23 /* is freezing for suspend */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) +#define _TIF_KERNEL_TRACE (1<<TIF_KERNEL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) @@ -142,7 +144,7 @@ static inline struct thread_info *stack_ /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK \ - (0x0000FFFF & ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP|_TIF_SECCOMP)) + (0x0000FFFF & ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_KERNEL_TRACE|_TIF_SINGLESTEP|_TIF_SECCOMP)) /* work to do on any return to user space */ #define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP) -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
