diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/irqdomain.c | 3 | ||||
| -rw-r--r-- | kernel/irq_work.c | 1 | ||||
| -rw-r--r-- | kernel/itimer.c | 8 | ||||
| -rw-r--r-- | kernel/time/Kconfig | 4 | ||||
| -rw-r--r-- | kernel/time/tick-broadcast.c | 4 | ||||
| -rw-r--r-- | kernel/time/tick-sched.c | 4 |
6 files changed, 18 insertions, 6 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index d34413e7862..0e0ba5f840b 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -629,7 +629,8 @@ static int virq_debug_show(struct seq_file *m, void *private) int i; seq_printf(m, "%-5s %-7s %-15s %-*s %s\n", "irq", "hwirq", - "chip name", 2 * sizeof(void *) + 2, "chip data", "domain name"); + "chip name", (int)(2 * sizeof(void *) + 2), "chip data", + "domain name"); for (i = 1; i < nr_irqs; i++) { desc = irq_to_desc(i); diff --git a/kernel/irq_work.c b/kernel/irq_work.c index 0c56d44b9fd..1588e3b2871 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -11,6 +11,7 @@ #include <linux/irq_work.h> #include <linux/percpu.h> #include <linux/hardirq.h> +#include <linux/irqflags.h> #include <asm/processor.h> /* diff --git a/kernel/itimer.c b/kernel/itimer.c index 22000c3db0d..8d262b46757 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -284,8 +284,12 @@ SYSCALL_DEFINE3(setitimer, int, which, struct itimerval __user *, value, if (value) { if(copy_from_user(&set_buffer, value, sizeof(set_buffer))) return -EFAULT; - } else - memset((char *) &set_buffer, 0, sizeof(set_buffer)); + } else { + memset(&set_buffer, 0, sizeof(set_buffer)); + printk_once(KERN_WARNING "%s calls setitimer() with new_value NULL pointer." + " Misfeature support will be removed\n", + current->comm); + } error = do_setitimer(which, &set_buffer, ovalue ? &get_buffer : NULL); if (error || !ovalue) diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index 2cf9cc7aa10..a20dc8a3c94 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -1,6 +1,10 @@ # # Timer subsystem related configuration options # + +# Core internal switch. Selected by NO_HZ / HIGH_RES_TIMERS. This is +# only related to the tick functionality. Oneshot clockevent devices +# are supported independ of this. config TICK_ONESHOT bool diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index e883f57a3cd..bf57abdc7bd 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -575,10 +575,12 @@ void tick_broadcast_switch_to_oneshot(void) unsigned long flags; raw_spin_lock_irqsave(&tick_broadcast_lock, flags); + + tick_broadcast_device.mode = TICKDEV_MODE_ONESHOT; + if (cpumask_empty(tick_get_broadcast_mask())) goto end; - tick_broadcast_device.mode = TICKDEV_MODE_ONESHOT; bc = tick_broadcast_device.evtdev; if (bc) tick_broadcast_setup_oneshot(bc); diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 3526038f283..6a3a5b9ff56 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -534,9 +534,9 @@ static void tick_nohz_restart(struct tick_sched *ts, ktime_t now) hrtimer_get_expires(&ts->sched_timer), 0)) break; } - /* Update jiffies and reread time */ - tick_do_update_jiffies64(now); + /* Reread time and update jiffies */ now = ktime_get(); + tick_do_update_jiffies64(now); } } |