summaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/s390_ext.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/s390_ext.c')
-rw-r--r--arch/s390/kernel/s390_ext.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index 3a8772d..947d8c7 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -120,12 +120,9 @@ void do_extint(struct pt_regs *regs, unsigned short code)
old_regs = set_irq_regs(regs);
irq_enter();
s390_idle_check();
- if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
- /**
- * Make sure that the i/o interrupt did not "overtake"
- * the last HZ timer interrupt.
- */
- account_ticks(S390_lowcore.int_clock);
+ if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator)
+ /* Serve timer interrupts first. */
+ clock_comparator_work();
kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
index = ext_hash(code);
for (p = ext_int_hash[index]; p; p = p->next) {
OpenPOWER on IntegriCloud