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-rw-r--r--kernel/cgroup.c2
-rw-r--r--kernel/posix-timers.c6
-rw-r--r--kernel/sched_clock.c6
3 files changed, 10 insertions, 4 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index fe00b3b983a..8185a0f0959 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -702,7 +702,7 @@ static int rebind_subsystems(struct cgroupfs_root *root,
* any child cgroups exist. This is theoretically supportable
* but involves complex error handling, so it's being left until
* later */
- if (!list_empty(&cgrp->children))
+ if (root->number_of_cgroups > 1)
return -EBUSY;
/* Process each subsystem */
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 5e79c662294..a140e44eebb 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -197,6 +197,11 @@ static int common_timer_create(struct k_itimer *new_timer)
return 0;
}
+static int no_timer_create(struct k_itimer *new_timer)
+{
+ return -EOPNOTSUPP;
+}
+
/*
* Return nonzero if we know a priori this clockid_t value is bogus.
*/
@@ -248,6 +253,7 @@ static __init int init_posix_timers(void)
.clock_getres = hrtimer_get_res,
.clock_get = posix_get_monotonic_raw,
.clock_set = do_posix_clock_nosettime,
+ .timer_create = no_timer_create,
};
register_posix_clock(CLOCK_REALTIME, &clock_realtime);
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 81787248b60..e8ab096ddfe 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -118,13 +118,13 @@ static u64 __update_sched_clock(struct sched_clock_data *scd, u64 now)
/*
* scd->clock = clamp(scd->tick_gtod + delta,
- * max(scd->tick_gtod, scd->clock),
- * max(scd->clock, scd->tick_gtod + TICK_NSEC));
+ * max(scd->tick_gtod, scd->clock),
+ * scd->tick_gtod + TICK_NSEC);
*/
clock = scd->tick_gtod + delta;
min_clock = wrap_max(scd->tick_gtod, scd->clock);
- max_clock = wrap_max(scd->clock, scd->tick_gtod + TICK_NSEC);
+ max_clock = scd->tick_gtod + TICK_NSEC;
clock = wrap_max(clock, min_clock);
clock = wrap_min(clock, max_clock);