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-rw-r--r--drivers/s390/cio/cio.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 6dbe9488d3f..41db3cc653f 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -651,12 +651,9 @@ do_IRQ (struct pt_regs *regs)
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();
/*
* Get interrupt information from lowcore
*/