diff options
Diffstat (limited to 'arch/x86/mm/mmio-mod.c')
| -rw-r--r-- | arch/x86/mm/mmio-mod.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index cd768dafca9e..c3317f0650d8 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -376,12 +376,12 @@ static void enter_uniprocessor(void) goto out; } - get_online_cpus(); + cpus_read_lock(); cpumask_copy(downed_cpus, cpu_online_mask); cpumask_clear_cpu(cpumask_first(cpu_online_mask), downed_cpus); if (num_online_cpus() > 1) pr_notice("Disabling non-boot CPUs...\n"); - put_online_cpus(); + cpus_read_unlock(); for_each_cpu(cpu, downed_cpus) { err = remove_cpu(cpu); @@ -400,7 +400,7 @@ static void leave_uniprocessor(void) int cpu; int err; - if (!cpumask_available(downed_cpus) || cpumask_weight(downed_cpus) == 0) + if (!cpumask_available(downed_cpus) || cpumask_empty(downed_cpus)) return; pr_notice("Re-enabling CPUs...\n"); for_each_cpu(cpu, downed_cpus) { |