> > Is there a possibility for infinite recursion here? E.g. can > > `lowcore_ptr[raw_smp_processor_id()]` point somewhere in between > > `(void *)&S390_lowcore` and `(void *)(&S390_lowcore + 1))`? > > No, it's allocated with __get_free_pages() or memblock_alloc_low(). > But since this question came up, I should probably add a check and > a WARN_ON_ONCE() here. Yes, please. -- Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Straße, 33 80636 München Geschäftsführer: Paul Manicle, Liana Sebastian Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg
