On Wed, Apr 11, 2018 at 6:24 PM, David Howells <dhowe...@redhat.com> wrote:
> From: Kyle McMartin <k...@redhat.com>
> Make an option to provide a sysrq key that will lift the kernel lockdown,
> thereby allowing the running kernel image to be accessed and modified.
> On x86 this is triggered with SysRq+x, but this key may not be available on
> all arches, so it is set by setting LOCKDOWN_LIFT_KEY in asm/setup.h.
> Since this macro must be defined in an arch to be able to use this facility
> for that arch, the Kconfig option is restricted to arches that support it.

In the current form, this is probably incompatible with USB/IP (which
Debian seems to be shipping as a module by default), right? And
perhaps also with dummy_hcd (if I understand correctly what it's

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