Messages in this thread | | | Subject | Re: [PATCH v5 1/7] efi: Use early_mem*() instead of early_io*() | From | Mark Salter <> | Date | Wed, 18 Jun 2014 09:59:06 -0400 |
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On Wed, 2014-06-18 at 13:17 +0100, Matt Fleming wrote: > Now, the only difference between early_memremap() and early_ioremap(), > at least on x86, is PAGE_KERNEL vs. PAGE_KERNEL_IO, where PAGE_KERNEL_IO > has the additional _PAGE_BIT_IOMAP bit set in the pte. But that's a > software bit for x86.
I can't comment on the x86 MMU details, but using early_memremap() will get rid of some sparse warnings in the current code.
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