Benjamin Herrenschmidt <b...@kernel.crashing.org> writes: > migrate_irqs() is used by some platforms to migrate interrupts > away from a CPU about to be offlined. > > The current implementation had various issues such as not taking > the descriptor lock before manipulating it.
... and not checking for a NULL chip (but presumably that's never happened), and always calling irq_set_affinity() even for IRQs not on the CPU. But, any reason we can't use irq_migrate_all_off_this_cpu() ? Which is in generic code. cheers
