7f2f882245
Since mfn_to_pfn() returns the correct PFN for identity mappings (as used for MMIO regions), the use of _PAGE_IOMAP is not required in pte_mfn_to_pfn(). Do not set the _PAGE_IOMAP flag in pte_pfn_to_mfn() and do not use it in pte_mfn_to_pfn(). This will allow _PAGE_IOMAP to be removed, making it available for future use. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> |
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Kconfig |