DECLARE_MUTEX(cpucontrol);
static struct notifier_block *cpu_chain;
-/*
- * Represents all cpu's present in the system
- * In systems capable of hotplug, this map could dynamically grow
- * as new cpu's are detected in the system via any platform specific
- * method, such as ACPI for e.g.
- */
-cpumask_t cpu_present_map;
-EXPORT_SYMBOL(cpu_present_map);
/* Need to know about CPUs going up/down? */
int register_cpu_notifier(struct notifier_block *nb)
* cpu' with certain environment variables set. */
static int cpu_run_sbin_hotplug(unsigned int cpu, const char *action)
{
- char *argv[3], *envp[5], cpu_str[12], action_str[32];
+ char *argv[3], *envp[6], cpu_str[12], action_str[32], devpath_str[40];
int i;
sprintf(cpu_str, "CPU=%d", cpu);
sprintf(action_str, "ACTION=%s", action);
- /* FIXME: Add DEVPATH. --RR */
-
+ sprintf(devpath_str, "DEVPATH=devices/system/cpu/cpu%d", cpu);
+
i = 0;
argv[i++] = hotplug_path;
argv[i++] = "cpu";
envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
envp[i++] = cpu_str;
envp[i++] = action_str;
+ envp[i++] = devpath_str;
envp[i] = NULL;
return call_usermodehelper(argv[0], argv, envp, 0);