Messages in this thread | | | Date | Tue, 13 Feb 2018 17:32:44 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86/acpi: check rsdp address received via bootparams to be valid |
| |
* Juergen Gross <jgross@suse.com> wrote:
> So what about the following: > > From version 0x020e on (current version without my patches is 0x020d) > the boot loader will write its supported version or'ed with 0x8000 into > the same version field. So we can be sure any added fields are filled > with real data or the information has been evaluated by the boot loader, > if the returned version included that field. If the boot loader finds > the kernel supports a version < 0x020e it won't return its supported > version.
This seems like a usable workaround to me, as long as everyone involved agrees with it.
I've removed the patches for the time being.
Thanks,
Ingo
| |