linux-kernel - 5-level pagetable patches break ppc64le

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Message-ID: <20170313210550.173a7950@kryten>
Date:   Mon, 13 Mar 2017 21:05:50 +1100
From:   Anton Blanchard <anton@...ba.org>
To:     kirill.shutemov@...ux.intel.com, mhocko@...e.com,
        torvalds@...ux-foundation.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: 5-level pagetable patches break ppc64le

Hi,

My ppc64le boot tests stopped working as of commit c2febafc6773 ("mm:
convert generic code to 5-level paging")

We hang part way during boot, just before bringing up the network. I
haven't had a chance to narrow it down yet.

Anton