diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 5 | ||||
| -rw-r--r-- | kernel/smp.c | 6 |
2 files changed, 5 insertions, 6 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8cd1b5a8f613..f4d02201f424 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -357,10 +357,7 @@ static void __sched_core_flip(bool enabled) /* * Toggle the offline CPUs. */ - cpumask_copy(&sched_core_mask, cpu_possible_mask); - cpumask_andnot(&sched_core_mask, &sched_core_mask, cpu_online_mask); - - for_each_cpu(cpu, &sched_core_mask) + for_each_cpu_andnot(cpu, cpu_possible_mask, cpu_online_mask) cpu_rq(cpu)->core_enabled = enabled; cpus_read_unlock(); diff --git a/kernel/smp.c b/kernel/smp.c index e8cdc025a046..06a413987a14 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1069,7 +1069,7 @@ static int __init nrcpus(char *str) int nr_cpus; if (get_option(&str, &nr_cpus) && nr_cpus > 0 && nr_cpus < nr_cpu_ids) - nr_cpu_ids = nr_cpus; + set_nr_cpu_ids(nr_cpus); return 0; } @@ -1087,14 +1087,16 @@ static int __init maxcpus(char *str) early_param("maxcpus", maxcpus); +#if (NR_CPUS > 1) && !defined(CONFIG_FORCE_NR_CPUS) /* Setup number of possible processor ids */ unsigned int nr_cpu_ids __read_mostly = NR_CPUS; EXPORT_SYMBOL(nr_cpu_ids); +#endif /* An arch may set nr_cpu_ids earlier if needed, so this would be redundant */ void __init setup_nr_cpu_ids(void) { - nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) + 1; + set_nr_cpu_ids(find_last_bit(cpumask_bits(cpu_possible_mask), NR_CPUS) + 1); } /* Called by boot processor to activate the rest. */ |