[PATCH][EFI] Run EFI in physical mode
huang.ying.caritas at gmail.com
Mon Aug 16 00:58:52 EDT 2010
On Mon, Aug 16, 2010 at 11:27 AM, H. Peter Anvin <hpa at 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.
More information about the kexec