workqueue: kill run_scheduled_work()

[linux-2.6-omap-h63xx.git] / include / linux / clocksource.h

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index daa4940cc0f1fa37c9afd87b4ed759aac8c0a6bf..2665ca04cf8f5e919d2f72bfdde6d4390986f062 100644 (file)
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -12,6 +12,7 @@
 #include <linux/timex.h>
 #include <linux/time.h>
 #include <linux/list.h>
+#include <linux/cache.h>
 #include <linux/timer.h>
 #include <asm/div64.h>
 #include <asm/io.h>
@@ -52,6 +53,9 @@ struct clocksource;
  * @xtime_interval:    Used internally by timekeeping core, please ignore.
  */
 struct clocksource {
+       /*
+        * First part of structure is read mostly
+        */
        char *name;
        struct list_head list;
        int rating;
@@ -63,8 +67,15 @@ struct clocksource {
        cycle_t (*vread)(void);
 
        /* timekeeping specific data, ignore */
-       cycle_t cycle_last, cycle_interval;
-       u64 xtime_nsec, xtime_interval;
+       cycle_t cycle_interval;
+       u64     xtime_interval;
+       /*
+        * Second part is written at each timer interrupt
+        * Keep it in a different cache line to dirty no
+        * more than one cache line.
+        */
+       cycle_t cycle_last ____cacheline_aligned_in_smp;
+       u64 xtime_nsec;
        s64 error;
 
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG