summaryrefslogtreecommitdiff
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, 6 insertions, 3 deletions
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index c1b383537fec..c49ab8c784d2 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -16,6 +16,7 @@
#include <asm/lowcore.h>
#include <asm/s390_ext.h>
+#include <asm/irq_regs.h>
#include <asm/irq.h>
/*
@@ -114,26 +115,28 @@ void do_extint(struct pt_regs *regs, unsigned short code)
{
ext_int_info_t *p;
int index;
+ struct pt_regs *old_regs;
irq_enter();
+ old_regs = set_irq_regs(regs);
asm volatile ("mc 0,0");
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(regs);
+ account_ticks();
kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
index = ext_hash(code);
for (p = ext_int_hash[index]; p; p = p->next) {
if (likely(p->code == code)) {
if (likely(p->handler))
- p->handler(regs, code);
+ p->handler(code);
}
}
+ set_irq_regs(old_regs);
irq_exit();
}
EXPORT_SYMBOL(register_external_interrupt);
EXPORT_SYMBOL(unregister_external_interrupt);
-