diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpuid.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index fd85e93e0691..373e372a0e1c 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -45,6 +45,7 @@ #include <asm/msr.h> static struct class *cpuid_class; +static enum cpuhp_state cpuhp_cpuid_state; struct cpuid_regs { u32 eax, ebx, ecx, edx; @@ -152,11 +153,12 @@ static int __init cpuid_init(void) } cpuid_class->devnode = cpuid_devnode; - err = cpuhp_setup_state(CPUHP_X86_CPUID_PREPARE, "x86/cpuid:prepare", + err = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "x86/cpuid:online", cpuid_device_create, cpuid_device_destroy); - if (err) + if (err < 0) goto out_class; + cpuhp_cpuid_state = err; return 0; out_class: @@ -165,15 +167,14 @@ out_chrdev: __unregister_chrdev(CPUID_MAJOR, 0, NR_CPUS, "cpu/cpuid"); return err; } +module_init(cpuid_init); static void __exit cpuid_exit(void) { - cpuhp_remove_state(CPUHP_X86_CPUID_PREPARE); + cpuhp_remove_state(cpuhp_cpuid_state); class_destroy(cpuid_class); __unregister_chrdev(CPUID_MAJOR, 0, NR_CPUS, "cpu/cpuid"); } - -module_init(cpuid_init); module_exit(cpuid_exit); MODULE_AUTHOR("H. Peter Anvin <hpa@zytor.com>"); |