diff options
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/smp.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index d0a2745..7dbe00c 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -677,17 +677,21 @@ static unsigned int __initdata possible_cpus; void __init smp_setup_cpu_possible_map(void) { - unsigned int pcpus, cpu; + unsigned int phy_cpus, pos_cpus, cpu; - pcpus = min(smp_count_cpus() + additional_cpus, (unsigned int) NR_CPUS); + phy_cpus = smp_count_cpus(); + pos_cpus = min(phy_cpus + additional_cpus, (unsigned int) NR_CPUS); if (possible_cpus) - pcpus = min(possible_cpus, (unsigned int) NR_CPUS); + pos_cpus = min(possible_cpus, (unsigned int) NR_CPUS); - for (cpu = 0; cpu < pcpus; cpu++) + for (cpu = 0; cpu < pos_cpus; cpu++) cpu_set(cpu, cpu_possible_map); - cpu_present_map = cpu_possible_map; + phy_cpus = min(phy_cpus, pos_cpus); + + for (cpu = 0; cpu < phy_cpus; cpu++) + cpu_set(cpu, cpu_present_map); } #ifdef CONFIG_HOTPLUG_CPU @@ -843,6 +847,7 @@ void __devinit smp_prepare_boot_cpu(void) void smp_cpus_done(unsigned int max_cpus) { + cpu_present_map = cpu_possible_map; } /* |