int __init oprofile_arch_init(struct oprofile_operations *ops)
{
ops->backtrace = s390_backtrace;
#ifdef CONFIG_64BIT
return oprofile_hwsampler_init(ops);
#else
return -ENODEV;
#endif
}
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
ops->backtrace = s390_backtrace;
/*
* -ENODEV is not reported to the caller. The module itself
* will use the timer mode sampling as fallback and this is
* always available.
*/
hwsampler_available = oprofile_hwsampler_init(ops) == 0;
return 0;
}
