#include <linux/slab.h>
#include <linux/smp.h>
#include <linux/irq_work.h>
+#include <linux/tick.h>
#include <asm/paravirt.h>
#include <asm/desc.h>
return IRQ_HANDLED;
}
-static void __cpuinit cpu_bringup(void)
+static void cpu_bringup(void)
{
int cpu;
wmb(); /* make sure everything is out */
}
-static void __cpuinit cpu_bringup_and_idle(void)
+static void cpu_bringup_and_idle(void)
{
cpu_bringup();
cpu_startup_entry(CPUHP_ONLINE);
set_cpu_present(cpu, true);
}
-static int __cpuinit
+static int
cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
{
struct vcpu_guest_context *ctxt;
return 0;
}
-static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *idle)
+static int xen_cpu_up(unsigned int cpu, struct task_struct *idle)
{
int rc;
xen_teardown_timer(cpu);
}
-static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */
+static void xen_play_dead(void) /* used only with HOTPLUG_CPU */
{
play_dead_common();
HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
cpu_bringup();
+ /*
+ * commit 4b0c0f294 (tick: Cleanup NOHZ per cpu data on cpu down)
+ * clears certain data that the cpu_idle loop (which called us
+ * and that we return from) expects. The only way to get that
+ * data back is to call:
+ */
+ tick_nohz_idle_enter();
}
#else /* !CONFIG_HOTPLUG_CPU */
xen_init_lock_cpu(0);
}
-static int __cpuinit xen_hvm_cpu_up(unsigned int cpu, struct task_struct *tidle)
+static int xen_hvm_cpu_up(unsigned int cpu, struct task_struct *tidle)
{
int rc;
/*