You could have an #else path in linux/irq.h to just define these
functions as s390, maybe like
static inline int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
{
BUG();
return 0;
}
static inline int irq_can_set_affinity(unsigned int irq)
{
return 0;
}
Arnd <><
--