[dpdk-dev] [PATCH v3] igb_uio: fail and log if kernel lock down is enabled

[Thomas Monjalon]

16/05/2018 16:42, Ferruh Yigit:
> 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 to
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
> Acked-by: Luca Boccassi <bluca at debian.org>

Applied, thanks