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Ferruh Yigit d67014c3d3 igb_uio: fail and log if kernel lock down is enabled
When EFI secure boot is enabled, it is possible to lock down kernel and
prevent accessing device BARs and this makes igb_uio unusable.

Lock down patches are not part of the vanilla kernel but they are
applied and used by some distros already [1].

It is not possible to fix this issue, but intention of this patch is to
detect and log if kernel lock down enabled and don't insert the module
for that case.

The challenge is since this feature enabled by distros, they have
different config options and APIs for it. This patch is done based on
Fedora and Ubuntu kernel source, may needs to add more distro specific
support.

[1]
kernel.ubuntu.com/git/ubuntu/ubuntu-artful.git/commit/?id=99f9ef18d5b6
And a few more patches too.

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2018-06-27 17:02:54 +02:00
app app/testpmd: fix crash when attaching a device 2018-06-14 19:27:50 +02:00
buildtools use SPDX tag for 6WIND copyrighted files 2018-05-25 10:47:06 +02:00
config net/ifc: make driver name consistent 2018-06-14 19:27:50 +02:00
devtools devtools: fix ARM builds test with meson 2018-06-14 17:46:02 +02:00
doc doc: fix octeontx eventdev selftest argument 2018-06-19 00:05:23 +02:00
drivers bus/dpaa: fix build 2018-06-21 10:27:45 +02:00
examples examples/performance-thread: convert license to SPDX 2018-05-25 12:55:11 +02:00
kernel igb_uio: fail and log if kernel lock down is enabled 2018-06-27 17:02:54 +02:00
lib eventdev: fix Rx SW adapter stop 2018-06-19 00:09:36 +02:00
license license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
mk net/ifc: make driver name consistent 2018-06-14 19:27:50 +02:00
pkg version: 18.05.0 2018-05-30 22:55:57 +02:00
test test/eventdev: add multi-ports test 2018-06-19 00:06:34 +02:00
usertools usertools: add Cavium TIM as an event device 2018-04-16 11:11:06 +02:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore doc: add compression driver and ISA-L PMD guides 2018-05-10 17:46:20 +01:00
GNUmakefile move kernel modules directories 2018-03-21 23:04:21 +01:00
MAINTAINERS maintainers: update for tep_termination example 2018-06-22 17:31:05 +02:00
Makefile license: use SPDX tag in root makefile 2018-01-04 22:41:38 +01:00
meson_options.txt net/mvpp2: add to meson build 2018-04-19 14:10:44 +02:00
meson.build version: 18.08-rc0 2018-06-01 12:58:36 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org