[PATCH] s390: fix non smp build of kexec

Add missing smp_cpu_not_running define to avoid build warnings in the non smp
case.

Signed-off-by: Heiko Carstens <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/s390/kernel/machine_kexec.c

···
  * on the S390 architecture.
  */
 
-#include <asm/cio.h>
-#include <asm/setup.h>
 #include <linux/device.h>
 #include <linux/mm.h>
 #include <linux/kexec.h>
 #include <linux/delay.h>
+#include <asm/cio.h>
+#include <asm/setup.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/system.h>
+#include <asm/smp.h>
 
 static void kexec_halt_all_cpus(void *);
 

include/asm-s390/smp.h

···
 	func(info);
 	return 0;
 }
+#define smp_cpu_not_running(cpu)	1
 #define smp_get_cpu(cpu) ({ 0; })
 #define smp_put_cpu(cpu) ({ 0; })
 #endif