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@vger.kernel.org/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.