diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/xen/smp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index be5cbb2b7c6..bf51a466d62 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -332,6 +332,7 @@ static void xen_smp_cpus_done(unsigned int max_cpus) { } +#ifdef CONFIG_HOTPLUG_CPU int xen_cpu_disable(void) { unsigned int cpu = smp_processor_id(); @@ -368,6 +369,23 @@ void xen_play_dead(void) cpu_bringup(); } +#else /* !CONFIG_HOTPLUG_CPU */ +int xen_cpu_disable(void) +{ + return -ENOSYS; +} + +void xen_cpu_die(unsigned int cpu) +{ + BUG(); +} + +void xen_play_dead(void) +{ + BUG(); +} + +#endif static void stop_self(void *v) { int cpu = smp_processor_id(); |