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

Chao Fan
2018-11-07T01:21:45Z

On Tue, Nov 06, 2018 at 10:07:31PM +0800, Baoquan He wrote:
>On 11/06/18 at 01:10pm, Borislav Petkov wrote:
>> > I have another idea to solve this issue. Adding a SRAT parsing code
>> > to arch/x86/mm/kaslr.c. It is useful for both EFI and BIOS and
>> > also we don't need a new kernel parameter...
>> > Dose the idea make sense?
>>
>> The more automatic stuff we do and we don't have to involve the user,
>> the better.
>>
>> However, lemme look at Chao's current patchset first - we should not go
>> nuts by putting SRAT parsing everywhere :)
>
>arch/x86/mm/ident_map.c is a good example, it's shared between
>arch/x86/boot/compressed and arch/x86/mm/init_64.c

Thanks to Baoquan, I think we can try this idea.
How about you, Masa?

Thanks,
Chao Fan

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