allow LEGACY_PTYS to be set to 0

[linux-2.6-omap-h63xx.git] / kernel / timer.c

diff --git a/kernel/timer.c b/kernel/timer.c
index 6ce1952eea7dbf84d4d9a4c3a5d03f8fd5bffbf3..a05817c021d62c1f93819ee666f2fc5bdb735f6a 100644 (file)
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -26,6 +26,7 @@
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
+#include <linux/pid_namespace.h>
 #include <linux/notifier.h>
 #include <linux/thread_info.h>
 #include <linux/time.h>
@@ -789,7 +790,7 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now,
 }
 
 /**
- * next_timer_interrupt - return the jiffy of the next pending timer
+ * get_next_timer_interrupt - return the jiffy of the next pending timer
  * @now: current time (in jiffies)
  */
 unsigned long get_next_timer_interrupt(unsigned long now)
@@ -816,8 +817,21 @@ unsigned long next_timer_interrupt(void)
 
 #endif
 
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING
+void account_process_tick(struct task_struct *p, int user_tick)
+{
+       if (user_tick) {
+               account_user_time(p, jiffies_to_cputime(1));
+               account_user_time_scaled(p, jiffies_to_cputime(1));
+       } else {
+               account_system_time(p, HARDIRQ_OFFSET, jiffies_to_cputime(1));
+               account_system_time_scaled(p, jiffies_to_cputime(1));
+       }
+}
+#endif
+
 /*
- * Called from the timer interrupt handler to charge one tick to the current 
+ * Called from the timer interrupt handler to charge one tick to the current
  * process.  user_tick is 1 if the tick is user time, 0 for system.
  */
 void update_process_times(int user_tick)
@@ -826,10 +840,7 @@ void update_process_times(int user_tick)
        int cpu = smp_processor_id();
 
        /* Note: this timer irq context must be accounted for as well. */
-       if (user_tick)
-               account_user_time(p, jiffies_to_cputime(1));
-       else
-               account_system_time(p, HARDIRQ_OFFSET, jiffies_to_cputime(1));
+       account_process_tick(p, user_tick);
        run_local_timers();
        if (rcu_pending(cpu))
                rcu_check_callbacks(cpu, user_tick);
@@ -953,7 +964,7 @@ asmlinkage unsigned long sys_alarm(unsigned int seconds)
  */
 asmlinkage long sys_getpid(void)
 {
-       return current->tgid;
+       return task_tgid_vnr(current);
 }
 
 /*
@@ -967,7 +978,7 @@ asmlinkage long sys_getppid(void)
        int pid;
 
        rcu_read_lock();
-       pid = rcu_dereference(current->real_parent)->tgid;
+       pid = task_ppid_nr_ns(current, current->nsproxy->pid_ns);
        rcu_read_unlock();
 
        return pid;
@@ -1099,7 +1110,7 @@ EXPORT_SYMBOL(schedule_timeout_uninterruptible);
 /* Thread ID - the internal kernel "pid" */
 asmlinkage long sys_gettid(void)
 {
-       return current->pid;
+       return task_pid_vnr(current);
 }
 
 /**