[PATCH] hrtimer: switch itimers to hrtimer

switch itimers to a hrtimers-based implementation

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 4 insertions, 3 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 85b53f87c703..ee4677ad204e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -105,6 +105,7 @@ extern unsigned long nr_iowait(void);
 #include <linux/param.h>
 #include <linux/resource.h>
 #include <linux/timer.h>
+#include <linux/hrtimer.h>
 
 #include <asm/processor.h>
 
@@ -398,8 +399,8 @@ struct signal_struct {
         struct list_head posix_timers;
 
         /* ITIMER_REAL timer for the process */
-        struct timer_list real_timer;
-        unsigned long it_real_value, it_real_incr;
+        struct hrtimer real_timer;
+        ktime_t it_real_incr;
 
         /* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */
         cputime_t it_prof_expires, it_virt_expires;
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 72f3a7781106..9b9877fd2505 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -96,6 +96,6 @@ static inline void add_timer(struct timer_list *timer)
 
 extern void init_timers(void);
 extern void run_local_timers(void);
-extern void it_real_fn(unsigned long);
+extern int it_real_fn(void *);
 
 #endif