Re: [PATCH v2 32/33] s390: Implement the architecture-specific kmsan functions
From: Alexander Potapenko
Date: Mon Dec 11 2023 - 05:46:26 EST
> > 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
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