1 files changed, 7 insertions, 3 deletions

diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index 210e1285f75a..d75c42f4147d 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -53,8 +53,12 @@ void s390_handle_mcck(void)
          */
         local_irq_save(flags);
         local_mcck_disable();
-        mcck = __get_cpu_var(cpu_mcck);
-        memset(&__get_cpu_var(cpu_mcck), 0, sizeof(struct mcck_struct));
+        /*
+         * Ummm... Does this make sense at all? Copying the percpu struct
+         * and then zapping it one statement later?
+         */
+        memcpy(&mcck, this_cpu_ptr(&cpu_mcck), sizeof(mcck));
+        memset(&mcck, 0, sizeof(struct mcck_struct));
         clear_cpu_flag(CIF_MCCK_PENDING);
         local_mcck_enable();
         local_irq_restore(flags);
@@ -253,7 +257,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
         nmi_enter();
         inc_irq_stat(NMI_NMI);
         mci = (struct mci *) &S390_lowcore.mcck_interruption_code;
-        mcck = &__get_cpu_var(cpu_mcck);
+        mcck = this_cpu_ptr(&cpu_mcck);
         umode = user_mode(regs);
 
         if (mci->sd) {