* Chen Yu <[email protected]> wrote:
> Currently we try to have e820_table_firmware to represent the
> original firmware memory layout passed to us by the bootloader,
> however it is not the case, the e820_table_firmware might still
> be modified by linux:
> 1. During bootup, the efi boot stub might allocate memory via
> efi service for the PCI device information structure, then
> later e820_reserve_setup_data() reserved these dynamically
> allocated structures(AKA, setup_data) in e820_table_firmware
> accordingly.
> 2. The kexec might also modify the e820_table_firmware.
Hm, so why does the EFI code modify e280_table_firmware - why doesn't
it modify e820_table?
I.e. what is the point of having 3 different versions of the
memory layout table?
Thanks,
Ingo
