nohz: Introduce arch_needs_cpu

[net-next-2.6.git] / drivers / s390 / cio / cio.c

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 138124fcfcade55165aca7ee1088cad8d7ec74d7..126f240715a426ecdc115f3fc514173c1442d5cb 100644 (file)
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -618,6 +618,7 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
        old_regs = set_irq_regs(regs);
        s390_idle_check();
        irq_enter();
+       __get_cpu_var(s390_idle).nohz_delay = 1;
        if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator)
                /* Serve timer interrupts first. */
                clock_comparator_work();