Re: [PATCH v8 0/3] x86/boot/KASLR: Parse ACPI table and limit kaslr in immovable memory

Masayoshi Mizuma
2018-11-11T13:45:57Z

On Sat, Nov 10, 2018 at 11:54:22AM +0100, Borislav Petkov wrote:
> On Thu, Nov 08, 2018 at 11:51:29AM +0100, Borislav Petkov wrote:
> > A global definition which doesn't need allocation?
> >
> > Maybe hpa would have another, better idea...
>
> ...and he has: just put that address in a new field in struct
> boot_params by converting one of the padding arrays there.
>
> Don't forget to document it in Documentation/x86/zero-page.txt
>
> This way you don't need any of the allocation fun or to use setup_data
> at all.

Thanks!
I have the prototype patch to use boot_params [1].
I will try to brush up it.

[1] https://lore.kernel.org/lkml/20181016151353.punyk7exekut2543@gabell

Thanks,
Masa