Merge commit 'v2.6.31-rc4' into next

1 files changed, 10 insertions, 2 deletions

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 0d2f7c8a33d6..4759917adc71 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -21,6 +21,7 @@
 #include <linux/list.h>
 #include <linux/wait.h>
 #include <linux/percpu.h>
+#include <linux/timer.h>
 
 
 struct hrtimer_clock_base;
@@ -30,8 +31,11 @@ struct hrtimer_cpu_base;
  * Mode arguments of xxx_hrtimer functions:
  */
 enum hrtimer_mode {
-        HRTIMER_MODE_ABS,       /* Time value is absolute */
-        HRTIMER_MODE_REL,       /* Time value is relative to now */
+        HRTIMER_MODE_ABS = 0x0,         /* Time value is absolute */
+        HRTIMER_MODE_REL = 0x1,         /* Time value is relative to now */
+        HRTIMER_MODE_PINNED = 0x02,     /* Timer is bound to CPU */
+        HRTIMER_MODE_ABS_PINNED = 0x02,
+        HRTIMER_MODE_REL_PINNED = 0x03,
 };
 
 /*
@@ -444,6 +448,8 @@ extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
 
 static inline void timer_stats_account_hrtimer(struct hrtimer *timer)
 {
+        if (likely(!timer->start_site))
+                return;
         timer_stats_update_stats(timer, timer->start_pid, timer->start_site,
                                  timer->function, timer->start_comm, 0);
 }
@@ -453,6 +459,8 @@ extern void __timer_stats_hrtimer_set_start_info(struct hrtimer *timer,
 
 static inline void timer_stats_hrtimer_set_start_info(struct hrtimer *timer)
 {
+        if (likely(!timer_stats_active))
+                return;
         __timer_stats_hrtimer_set_start_info(timer, __builtin_return_address(0));
 }