[S390] ETR support.

[linux-2.6-omap-h63xx.git] / arch / s390 / kernel / vtime.c

diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 21baaf5496d61b02525a933c8139524710863cfb..9d5b02801b460882cde4928b2a87d2c905f6f0b6 100644 (file)
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -25,7 +25,7 @@
 #include <asm/irq_regs.h>
 
 static ext_int_info_t ext_int_info_timer;
-DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer);
+static DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer);
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
 /*
@@ -524,16 +524,15 @@ EXPORT_SYMBOL(del_virt_timer);
 void init_cpu_vtimer(void)
 {
        struct vtimer_queue *vt_list;
-       unsigned long cr0;
 
        /* kick the virtual timer */
        S390_lowcore.exit_timer = VTIMER_MAX_SLICE;
        S390_lowcore.last_update_timer = VTIMER_MAX_SLICE;
        asm volatile ("SPT %0" : : "m" (S390_lowcore.last_update_timer));
        asm volatile ("STCK %0" : "=m" (S390_lowcore.last_update_clock));
-       __ctl_store(cr0, 0, 0);
-       cr0 |= 0x400;
-       __ctl_load(cr0, 0, 0);
+
+       /* enable cpu timer interrupts */
+       __ctl_set_bit(0,10);
 
        vt_list = &per_cpu(virt_cpu_timer, smp_processor_id());
        INIT_LIST_HEAD(&vt_list->list);
@@ -572,6 +571,7 @@ void __init vtime_init(void)
        if (register_idle_notifier(&vtimer_idle_nb))
                panic("Couldn't register idle notifier");
 
+       /* Enable cpu timer interrupts on the boot cpu. */
        init_cpu_vtimer();
 }