Re: [PATCH 0/3] x86_64 EFI runtime service support

[Eric W. Biederman]

"H. Peter Anvin" <hpa@xxxxxxxxx> writes:

> 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...

It sounds like the 64bit EFI is currently binary incompatible with
the 32bit EFI.

Eric
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/