3 files changed, 23 insertions, 4 deletions

diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
index f4ef87a36236..0bdce7dde1b0 100644
--- a/include/asm-ia64/ptrace.h
+++ b/include/asm-ia64/ptrace.h
@@ -292,6 +292,7 @@ struct switch_stack {
                          unsigned long, long);
   extern void ia64_flush_fph (struct task_struct *);
   extern void ia64_sync_fph (struct task_struct *);
+  extern void ia64_sync_krbs(void);
   extern long ia64_sync_user_rbs (struct task_struct *, struct switch_stack *,
                                   unsigned long, unsigned long);
 
@@ -303,6 +304,16 @@ struct switch_stack {
   extern void ia64_increment_ip (struct pt_regs *pt);
   extern void ia64_decrement_ip (struct pt_regs *pt);
 
+  extern void ia64_ptrace_stop(void);
+  #define arch_ptrace_stop(code, info) \
+        ia64_ptrace_stop()
+  #define arch_ptrace_stop_needed(code, info) \
+        (!test_thread_flag(TIF_RESTORE_RSE))
+
+  extern void ptrace_attach_sync_user_rbs (struct task_struct *);
+  #define arch_ptrace_attach(child) \
+        ptrace_attach_sync_user_rbs(child)
+
 #endif /* !__KERNEL__ */
 
 /* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index d16031e72efa..93d83cbe0c8c 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -71,6 +71,9 @@ struct thread_info {
 #define alloc_task_struct()     ((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
 #define free_task_struct(tsk)   free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
 
+#define tsk_set_notify_resume(tsk) \
+        set_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME)
+extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #endif /* !__ASSEMBLY */
 
 /*
@@ -85,28 +88,30 @@ struct thread_info {
 #define TIF_SYSCALL_AUDIT       3       /* syscall auditing active */
 #define TIF_SINGLESTEP          4       /* restore singlestep on return to user mode */
 #define TIF_RESTORE_SIGMASK     5       /* restore signal mask in do_signal() */
-#define TIF_PERFMON_WORK        6       /* work for pfm_handle_work() */
+#define TIF_NOTIFY_RESUME       6       /* resumption notification requested */
 #define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE              17
 #define TIF_MCA_INIT            18      /* this task is processing MCA or INIT */
 #define TIF_DB_DISABLED         19      /* debug trap disabled for fsyscall */
 #define TIF_FREEZE              20      /* is freezing for suspend */
+#define TIF_RESTORE_RSE         21      /* user RBS is newer than kernel RBS */
 
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SINGLESTEP         (1 << TIF_SINGLESTEP)
 #define _TIF_SYSCALL_TRACEAUDIT (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP)
 #define _TIF_RESTORE_SIGMASK    (1 << TIF_RESTORE_SIGMASK)
-#define _TIF_PERFMON_WORK       (1 << TIF_PERFMON_WORK)
+#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
 #define _TIF_MCA_INIT           (1 << TIF_MCA_INIT)
 #define _TIF_DB_DISABLED        (1 << TIF_DB_DISABLED)
 #define _TIF_FREEZE             (1 << TIF_FREEZE)
+#define _TIF_RESTORE_RSE        (1 << TIF_RESTORE_RSE)
 
 /* "work to do on user-return" bits */
-#define TIF_ALLWORK_MASK        (_TIF_SIGPENDING|_TIF_PERFMON_WORK|_TIF_SYSCALL_AUDIT|\
+#define TIF_ALLWORK_MASK        (_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SYSCALL_AUDIT|\
                                  _TIF_NEED_RESCHED| _TIF_SYSCALL_TRACE|\
                                  _TIF_RESTORE_SIGMASK)
 /* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 315f8de950a2..e60314716122 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -299,11 +299,14 @@
 #define __NR_signalfd                   1307
 #define __NR_timerfd                    1308
 #define __NR_eventfd                    1309
+#define __NR_timerfd_create             1310
+#define __NR_timerfd_settime            1311
+#define __NR_timerfd_gettime            1312
 
 #ifdef __KERNEL__
 
 
-#define NR_syscalls                     286 /* length of syscall table */
+#define NR_syscalls                     289 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about