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-rw-r--r--arch/s390/mm/maccess.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 350b0acd7f52..792f9c63fbca 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -93,15 +93,17 @@ static int __memcpy_real(void *dest, void *src, size_t count)
*/
int memcpy_real(void *dest, void *src, size_t count)
{
+ int irqs_disabled, rc;
unsigned long flags;
- int rc;
if (!count)
return 0;
- local_irq_save(flags);
- __arch_local_irq_stnsm(0xfbUL);
+ flags = __arch_local_irq_stnsm(0xf8UL);
+ irqs_disabled = arch_irqs_disabled_flags(flags);
+ if (!irqs_disabled)
+ trace_hardirqs_off();
rc = __memcpy_real(dest, src, count);
- if (!arch_irqs_disabled_flags(flags))
+ if (!irqs_disabled)
trace_hardirqs_on();
__arch_local_irq_ssm(flags);
return rc;