Add a thread flag to activate system-wide syscall tracing. Signed-off-by: Mathieu Desnoyers --- arch/sh/include/asm/thread_info.h | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) Index: linux-2.6-lttng/arch/sh/include/asm/thread_info.h =================================================================== --- linux-2.6-lttng.orig/arch/sh/include/asm/thread_info.h 2009-03-15 15:57:04.000000000 -0400 +++ linux-2.6-lttng/arch/sh/include/asm/thread_info.h 2009-03-15 15:57:17.000000000 -0400 @@ -116,6 +116,7 @@ extern void free_thread_info(struct thre #define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ #define TIF_SECCOMP 6 /* secure computing */ #define TIF_NOTIFY_RESUME 7 /* callback before returning to user */ +#define TIF_KERNEL_TRACE 8 /* kernel trace active */ #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 */ #define TIF_MEMDIE 18 @@ -129,6 +130,7 @@ extern void free_thread_info(struct thre #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) +#define _TIF_KERNEL_TRACE (1 << TIF_KERNEL_TRACE) #define _TIF_USEDFPU (1 << TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1 << TIF_FREEZE) @@ -141,17 +143,19 @@ extern void free_thread_info(struct thre /* work to do in syscall trace */ #define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ - _TIF_SYSCALL_AUDIT | _TIF_SECCOMP) + _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \ + _TIF_KERNEL_TRACE) /* work to do on any return to u-space */ #define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \ _TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \ _TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \ - _TIF_NOTIFY_RESUME) + _TIF_NOTIFY_RESUME | _TIF_KERNEL_TRACE) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \ - _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP)) + _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \ + _TIF_KERNEL_TRACE)) #endif /* __KERNEL__ */ -- Mathieu Desnoyers 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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/