| Date | Sun, 21 Aug 2022 00:05:42 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2 09/11] s390: mm: Convert to GENERIC_IOREMAP |
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> +void __iomem * > +arch_ioremap(phys_addr_t *paddr, size_t size, unsigned long *prot_val) > { > if (!static_branch_unlikely(&have_mio)) > + return (void __iomem *) *paddr; > + return NULL;
This logic isn't new in the patch, but it could really use a comment as it is rather non-obvious.
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