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Date: Tue, 9 Aug 2016 14:58:53 +0200 (CEST)
From: Jiri Kosina <>
To: "Rafael J. Wysocki" <>
cc: "Rafael J. Wysocki" <>, 
    Linux PM list <>, 
    Thomas Garnier <>, 
    the arch/x86 maintainers <>, 
    Linux Kernel Mailing List <>, 
    Yinghai Lu <>, Thomas Gleixner <>, 
    Ingo Molnar <>, "H . Peter Anvin" <>, 
    Kees Cook <>, Pavel Machek <>, 
    Kernel Hardening <>, 
    Borislav Petkov <>
Subject: Re: [Resend][PATCH] x86/power/64: Always create temporary identity
 mapping correctly

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 <>
	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 

Jiri Kosina

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