Re: [PATCH] x86/boot: clear rsdp address in boot_params for broken loaders
From: H. Peter Anvin
Date: Tue Dec 04 2018 - 00:49:51 EST
On 12/3/18 9:32 PM, Juergen Gross wrote:
>
> I'd like to send a followup patch doing that. And I'd like to not only
> test sentinel for being non-zero, but all padding fields as well. This
> should be 4.21 material, though.
>
No, you can't do that. That breaks backwards compatibility.
-hpa