Messages in this thread | | | Date | Mon, 16 Aug 2010 12:58:52 +0800 | Subject | Re: [PATCH][EFI] Run EFI in physical mode | From | huang ying <> |
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On Mon, Aug 16, 2010 at 11:27 AM, H. Peter Anvin <hpa@zytor.com> wrote: > No, it should not be dynamic; rather we should unify all the users who need a 1:1 map and just keep that page table set around.
Agree. One known issue of global 1:1 map is that we need to make at least part of page table PAGE_KERNEL_EXEC for EFI runtime code, and change_page_attr can not be used before page allocator is available.
Best Regards, Huang Ying
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