diff options
| -rw-r--r-- | include/linux/cpumask.h | 13 | ||||
| -rw-r--r-- | lib/cpumask.c | 12 |
2 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index f770039344c..99e6115d8e5 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -398,22 +398,15 @@ extern cpumask_t cpu_present_map; #ifdef CONFIG_SMP int highest_possible_processor_id(void); +#define any_online_cpu(mask) __any_online_cpu(&(mask)) +int __any_online_cpu(const cpumask_t *mask); #else #define highest_possible_processor_id() 0 +#define any_online_cpu(mask) 0 #endif -#define any_online_cpu(mask) \ -({ \ - int cpu; \ - for_each_cpu_mask(cpu, (mask)) \ - if (cpu_online(cpu)) \ - break; \ - cpu; \ -}) - #define for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map) #define for_each_online_cpu(cpu) for_each_cpu_mask((cpu), cpu_online_map) #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map) - #endif /* __LINUX_CPUMASK_H */ diff --git a/lib/cpumask.c b/lib/cpumask.c index ea25a034276..3a67dc5ada7 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -31,3 +31,15 @@ int highest_possible_processor_id(void) return highest; } EXPORT_SYMBOL(highest_possible_processor_id); + +int __any_online_cpu(const cpumask_t *mask) +{ + int cpu; + + for_each_cpu_mask(cpu, *mask) { + if (cpu_online(cpu)) + break; + } + return cpu; +} +EXPORT_SYMBOL(__any_online_cpu); |