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    SubjectRe: [PATCH 0/3] x86_64 EFI runtime service support
    Huang, Ying wrote:
    >
    > One question:
    >
    > The boot_params.efi_info.efi_systab is defined as u32. But it should be
    > u64 on x86_64, because it comes from firmware and is not controlled by
    > bootloader. But, changing it from u32 to u64 will break current i386 EFI
    > support, should we change it and fix the i386 EFI bootloader?
    >

    The other option is to have a union of a 32-bit and a 64-bit structure.
    I personally don't care, as long as it's consistent, but I think you
    need to deal with the people working on EFI currently about that...

    -hpa

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