diff options
Diffstat (limited to 'drivers/base/cpu.c')
| -rw-r--r-- | drivers/base/cpu.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 6265871a4af2..9a1c00fbbaef 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -55,7 +55,7 @@ static int cpu_subsys_online(struct device *dev) if (from_nid == NUMA_NO_NODE) return -ENODEV; - ret = cpu_up(cpuid); + ret = cpu_device_up(dev); /* * When hot adding memory to memoryless node and enabling a cpu * on the node, node number of the cpu may internally change. @@ -69,7 +69,7 @@ static int cpu_subsys_online(struct device *dev) static int cpu_subsys_offline(struct device *dev) { - return cpu_down(dev->id); + return cpu_device_down(dev); } void unregister_cpu(struct cpu *cpu) @@ -231,8 +231,7 @@ static struct cpu_attr cpu_attrs[] = { static ssize_t print_cpus_kernel_max(struct device *dev, struct device_attribute *attr, char *buf) { - int n = snprintf(buf, PAGE_SIZE-2, "%d\n", NR_CPUS - 1); - return n; + return sprintf(buf, "%d\n", NR_CPUS - 1); } static DEVICE_ATTR(kernel_max, 0444, print_cpus_kernel_max, NULL); @@ -258,13 +257,13 @@ static ssize_t print_cpus_offline(struct device *dev, buf[n++] = ','; if (nr_cpu_ids == total_cpus-1) - n += snprintf(&buf[n], len - n, "%u", nr_cpu_ids); + n += scnprintf(&buf[n], len - n, "%u", nr_cpu_ids); else - n += snprintf(&buf[n], len - n, "%u-%d", + n += scnprintf(&buf[n], len - n, "%u-%d", nr_cpu_ids, total_cpus-1); } - n += snprintf(&buf[n], len - n, "\n"); + n += scnprintf(&buf[n], len - n, "\n"); return n; } static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL); @@ -272,7 +271,7 @@ static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL); static ssize_t print_cpus_isolated(struct device *dev, struct device_attribute *attr, char *buf) { - int n = 0, len = PAGE_SIZE-2; + int n; cpumask_var_t isolated; if (!alloc_cpumask_var(&isolated, GFP_KERNEL)) @@ -280,7 +279,7 @@ static ssize_t print_cpus_isolated(struct device *dev, cpumask_andnot(isolated, cpu_possible_mask, housekeeping_cpumask(HK_FLAG_DOMAIN)); - n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(isolated)); + n = sprintf(buf, "%*pbl\n", cpumask_pr_args(isolated)); free_cpumask_var(isolated); @@ -292,11 +291,7 @@ static DEVICE_ATTR(isolated, 0444, print_cpus_isolated, NULL); static ssize_t print_cpus_nohz_full(struct device *dev, struct device_attribute *attr, char *buf) { - int n = 0, len = PAGE_SIZE-2; - - n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask)); - - return n; + return sprintf(buf, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask)); } static DEVICE_ATTR(nohz_full, 0444, print_cpus_nohz_full, NULL); #endif |