[patch 1/7 v2] Add function efi_remap_region for remapping to saved virt address

Toshi Kani toshi.kani at hp.com
Fri Nov 15 18:02:05 EST 2013

On Tue, 2013-11-05 at 16:20 +0800, dyoung at redhat.com wrote:
> Kexec kernel will use saved runtime virtual mapping, so add a
> new function efi_remap_region to remapping it directly without
> calculate the virt addr from efi_va.
> The md is passed in from 1st kernel, the virtual addr is
> saved in md->virt_addr.


> +/*
> + * kexec kernel will use efi_map_region_fixed to map efi
> + * runtime memory ranges. md->virt_addr is the original virtual
> + * address which had been mapped in kexec 1st kernel.
> + */
> +void __init efi_map_region_fixed(efi_memory_desc_t *md)

Can you simply use __map_region() instead of creating this function?
Both functions seem to do the same thing.  (In __map_region(), size and
end are not used.)


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