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    SubjectRe: [PATCH] Fix e820 end address with EFI
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    On Sun, Mar 1, 2009 at 6:37 PM, Huang Ying <ying.huang@intel.com> wrote:
    >> so 64bit could use ioremap_cache() too?
    >> we may keep 32bit and 64bit a bit consistent.
    >
    > If we use ioremap_cache(), kexec runtime service will not work in kexec
    > situation, which needs EFI runtime memory area to be mapped at exact
    > same location across kexec. I think we should support kexec if possible.


    sure.

    please don't touch max_low_pfn_mapped, because some range may not
    directly mapped under those efi run-time code

    YH


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