Add a sysrq option to exit secure boot mode
authorKyle McMartin <kyle@redhat.com>
Wed, 5 Apr 2017 16:40:30 +0000 (17:40 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 1 Oct 2017 14:52:09 +0000 (15:52 +0100)
commited4e82d2c86d1097eb0ada7b080cdd782e6f29aa
tree0ca6ce6884868bf4841737202bdd1335cb94281f
parentc5f45f58ebddfc267d9ef8f615cd19a0e80741bd
Add a sysrq option to exit secure boot mode

Make sysrq+x exit secure boot mode on x86_64, thereby allowing the running
kernel image to be modified.  This lifts the lockdown.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
[bwh: For 4.12, adjust context]

Gbp-Pq: Topic features/all/lockdown
Gbp-Pq: Name 0043-Add-a-sysrq-option-to-exit-secure-boot-mode.patch
arch/x86/Kconfig
arch/x86/kernel/setup.c
drivers/input/misc/uinput.c
drivers/tty/sysrq.c
include/linux/input.h
include/linux/sysrq.h
kernel/debug/kdb/kdb_main.c