[S390] Limit cpu detection to 256 physical cpus.

[linux-block.git] / arch / s390 / kernel / smp.c

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index be2cae083406206c949330ee1a267fb7136a969e..9261495ca2c35dd40a9cc087a0811a1715421c3d 100644 (file)
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -49,6 +49,7 @@
 #include <asm/sclp.h>
 #include <asm/cputime.h>
 #include <asm/vdso.h>
+#include <asm/cpu.h>
 #include "entry.h"
 
 static struct task_struct *current_set[NR_CPUS];
@@ -300,7 +301,7 @@ static int smp_rescan_cpus_sigp(cpumask_t avail)
        logical_cpu = cpumask_first(&avail);
        if (logical_cpu >= nr_cpu_ids)
                return 0;
-       for (cpu_id = 0; cpu_id <= 65535; cpu_id++) {
+       for (cpu_id = 0; cpu_id <= MAX_CPU_ADDRESS; cpu_id++) {
                if (cpu_known(cpu_id))
                        continue;
                __cpu_logical_map[logical_cpu] = cpu_id;
@@ -379,7 +380,7 @@ static void __init smp_detect_cpus(void)
        /* Use sigp detection algorithm if sclp doesn't work. */
        if (sclp_get_cpu_info(info)) {
                smp_use_sigp_detection = 1;
-               for (cpu = 0; cpu <= 65535; cpu++) {
+               for (cpu = 0; cpu <= MAX_CPU_ADDRESS; cpu++) {
                        if (cpu == boot_cpu_addr)
                                continue;
                        __cpu_logical_map[CPU_INIT_NO] = cpu;