Re: [Resend][PATCH] x86/power/64: Always create temporary identity mapping correctly

From: Jiri Kosina
Date: Tue Aug 09 2016 - 08:59:04 EST


On Tue, 9 Aug 2016, Rafael J. Wysocki wrote:

> Here's a list of commits from Thomas that are related to memory randomization.
>
> 210e7a43fa90 mm: SLUB freelist randomization
> 7c00fce98c3e mm: reorganize SLAB freelist randomization
> 4ff5308744f5 x86/mm: Do not reference phys addr beyond kernel
> 90397a417796 x86/mm: Add memory hotplug support for KASLR memory randomization
> a95ae27c2ee1 x86/mm: Enable KASLR for vmalloc memory regions
> 021182e52fe0 x86/mm: Enable KASLR for physical mapping memory regions

Okay, I did one-by-one reverts, and the one above, i.e.

commit 021182e52fe01c1f7b126f97fd6ba048dc4234fd
Author: Thomas Garnier <thgarnie@xxxxxxxxxx>
Date: Tue Jun 21 17:47:03 2016 -0700

x86/mm: Enable KASLR for physical mapping memory regions

is the one that is the culprit on my machine. With this one reverted,
resume hibernation doesn't reboot (tripple fault?), but proceeds
succesfully.

--
Jiri Kosina
SUSE Labs