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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Oct 10, 2018 at 04:41:16PM +0800, Chao Fan wrote:
> In the earliest time, I tried to dig ACPI tabls to solve this problem.
> But I didn't splite the code in 'compressed/' and ACPI code, so the patch
> is hard to follow so refused by community.
> Somebody suggest to add a kernel parameter to specify the
> immovable memory so that limit kaslr in these regions. Then I make
> a new patchset. After several versions, Ingo gave a suggestion:
> https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1634024.html
> Follow Ingo's suggestion, imitate the ACPI code to parse the acpi
> tables, so that the kaslr can get necessary memory information in
> ACPI tables.
> I think ACPI code is an independent part, so copy the codes
> and functions to 'compressed/' directory, so that kaslr won't
> influence the initialization of ACPI.

You say "copy". I'm still about to look at the code but can those
functions be carved out in a separate compilation unit which ACPI *and*
KASLR can both link with so that there's no duplication?

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux