From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH] igb_uio: fail and log if kernel lock down is
	enabled
Date: Tue, 15 May 2018 11:52:32 -0700
Message-ID: <20180515115232.5648f749@xeon-e3>
References: <20180515165612.61243-1-ferruh.yigit@intel.com>
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Cc: dev@dpdk.org, Christian Ehrhardt <christian.ehrhardt@canonical.com>,
 Luca Boccassi <bluca@debian.org>, Maxime Coquelin
 <maxime.coquelin@redhat.com>, Neil Horman <nhorman@tuxdriver.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
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On Tue, 15 May 2018 17:56:12 +0100
Ferruh Yigit <ferruh.yigit@intel.com> wrote:

> When EFI secure boot is enabled, it is possible to lock down kernel and
> prevent accessing device BARs and this makes igb_uio unusable.

This distro specific (and not upstream) stuff in igb_uio is getting
to be a significantly ugly. Can this be detected by seeing if one
of the calls (such setup bars) failing?

The best long term solution would be getting all kernel modules upstream;
but it looks like that will never happen due to UIO maintainer resistance.