cpu_up_prepare_cb 104 arch/x86/xen/enlighten.c int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int), cpu_up_prepare_cb 111 arch/x86/xen/enlighten.c cpu_up_prepare_cb, cpu_dead_cb); cpu_up_prepare_cb 147 arch/x86/xen/xen-ops.h int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int),