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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>
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