Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

[linux-drm-fsl-dcu.git] / kernel / posix-timers.c

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index ac6dc8744429f986f2f6c6b628513b2524316374..a1bf616178394f1906a11bb2bb063d16cb3b5902 100644 (file)
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -1,5 +1,5 @@
 /*
- * linux/kernel/posix_timers.c
+ * linux/kernel/posix-timers.c
  *
  *
  * 2002-10-15  Posix Clocks & timers
@@ -70,7 +70,7 @@
 /*
  * Lets keep our timers in a slab cache :-)
  */
-static kmem_cache_t *posix_timers_cache;
+static struct kmem_cache *posix_timers_cache;
 static struct idr posix_timers_id;
 static DEFINE_SPINLOCK(idr_lock);
 
@@ -399,10 +399,9 @@ EXPORT_SYMBOL_GPL(register_posix_clock);
 static struct k_itimer * alloc_posix_timer(void)
 {
        struct k_itimer *tmr;
-       tmr = kmem_cache_alloc(posix_timers_cache, GFP_KERNEL);
+       tmr = kmem_cache_zalloc(posix_timers_cache, GFP_KERNEL);
        if (!tmr)
                return tmr;
-       memset(tmr, 0, sizeof (struct k_itimer));
        if (unlikely(!(tmr->sigq = sigqueue_alloc()))) {
                kmem_cache_free(posix_timers_cache, tmr);
                tmr = NULL;
@@ -973,3 +972,24 @@ sys_clock_nanosleep(const clockid_t which_clock, int flags,
        return CLOCK_DISPATCH(which_clock, nsleep,
                              (which_clock, flags, &t, rmtp));
 }
+
+/*
+ * nanosleep_restart for monotonic and realtime clocks
+ */
+static int common_nsleep_restart(struct restart_block *restart_block)
+{
+       return hrtimer_nanosleep_restart(restart_block);
+}
+
+/*
+ * This will restart clock_nanosleep. This is required only by
+ * compat_clock_nanosleep_restart for now.
+ */
+long
+clock_nanosleep_restart(struct restart_block *restart_block)
+{
+       clockid_t which_clock = restart_block->arg0;
+
+       return CLOCK_DISPATCH(which_clock, nsleep_restart,
+                             (restart_block));
+}