diff options
Diffstat (limited to 'arch/ia64/xen/time.c')
| -rw-r--r-- | arch/ia64/xen/time.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c index ec168ec754b..d15a94c330f 100644 --- a/arch/ia64/xen/time.c +++ b/arch/ia64/xen/time.c @@ -26,6 +26,8 @@ #include <linux/irq.h> #include <linux/clocksource.h> +#include <asm/timex.h> + #include <asm/xen/hypervisor.h> #include <xen/interface/vcpu.h> @@ -178,3 +180,34 @@ struct pv_time_ops xen_time_ops __initdata = { .do_steal_accounting = xen_do_steal_accounting, .clocksource_resume = xen_itc_jitter_data_reset, }; + +/* Called after suspend, to resume time. */ +static void xen_local_tick_resume(void) +{ + /* Just trigger a tick. */ + ia64_cpu_local_tick(); + touch_softlockup_watchdog(); +} + +void +xen_timer_resume(void) +{ + unsigned int cpu; + + xen_local_tick_resume(); + + for_each_online_cpu(cpu) + xen_init_missing_ticks_accounting(cpu); +} + +static void ia64_cpu_local_tick_fn(void *unused) +{ + xen_local_tick_resume(); + xen_init_missing_ticks_accounting(smp_processor_id()); +} + +void +xen_timer_resume_on_aps(void) +{ + smp_call_function(&ia64_cpu_local_tick_fn, NULL, 1); +} |