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xen: resume timers on all vcpus

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On resume, the vcpu timer modes will not be restored.  The timer
infrastructure doesn't do this for us, since it assumes the cpus
are offline.  We can just poke the other vcpus into the right mode
directly though.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jeremy Fitzhardinge
2008-05-31 01:33:03 +01:00
committed by Ingo Molnar
parent 9c7a794209
commit d07af1f0e3
3 changed files with 15 additions and 0 deletions
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13
arch/x86/xen/time.c
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@@ -572,6 +572,19 @@ void xen_setup_cpu_clockevents(void)
clockevents_register_device(&__get_cpu_var(xen_clock_events));
}
void xen_timer_resume(void)
{
int cpu;
if (xen_clockevent != &xen_vcpuop_clockevent)
return;
for_each_online_cpu(cpu) {
if (HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL))
BUG();
}
}
__init void xen_time_init(void)
{
int cpu = smp_processor_id();