[S390] Convert monitor calls to function calls.

Remove the program check generating monitor calls and use function
calls instead. Theres is no real advantage in using monitor calls,
but they do make debugging harder, because of all the program checks
it generates.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 60590a12d529..6dbe9488d3f9 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -24,6 +24,7 @@
 #include <asm/ipl.h>
 #include <asm/chpid.h>
 #include <asm/airq.h>
+#include <asm/cpu.h>
 #include "cio.h"
 #include "css.h"
 #include "chsc.h"
@@ -649,7 +650,7 @@ do_IRQ (struct pt_regs *regs)
 
         old_regs = set_irq_regs(regs);
         irq_enter();
-        asm volatile ("mc 0,0");
+        s390_idle_check();
         if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
                 /**
                  * Make sure that the i/o interrupt did not "overtake"