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Date:   Thu, 26 Oct 2017 18:39:11 +0200
From:   Ingo Molnar <>
To:     Craig Bergstrom <>
Cc:     Sander Eikelenboom <>,
        Boris Ostrovsky <>,
        Fengguang Wu <>,,, LKP <>,
        Linus Torvalds <>
Subject: Re: ce56a86e2a ("x86/mm: Limit mmap() of /dev/mem to valid physical
 addresses"): kernel BUG at arch/x86/mm/physaddr.c:79!

* Craig Bergstrom <> wrote:

> Yes, not much time left for 4.14, it might be reasonable to pull the
> change out since it's causing problems. [...]

Ok, I'll queue up a revert tomorrow morning and send it to Linus ASAP if there's 
no good fix by then. In hindsight I should have queued it for v4.15 ...



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