Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Fri, 8 Sep 2017 00:55:19 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Tycho Andersen <tycho@...ker.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	kernel-hardening@...ts.openwall.com,
	Marco Benatto <marco.antonio.780@...il.com>,
	Juerg Haefliger <juerg.haefliger@...onical.com>,
	linux-arm-kernel@...ts.infradead.org, x86@...nel.org
Subject: Re: [PATCH v6 10/11] mm: add a user_virt_to_phys symbol

On Thu, Sep 07, 2017 at 11:36:08AM -0600, Tycho Andersen wrote:
> We need someting like this for testing XPFO. Since it's architecture
> specific, putting it in the test code is slightly awkward, so let's make it
> an arch-specific symbol and export it for use in LKDTM.

We really should not add an export for this.

I think you'll want to just open code it in your test module.

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