/proc/<pid>/coredump_filter.
See also Documentation/filesystems/proc.txt.
+ coresight_cpu_debug.enable
+ [ARM,ARM64]
+ Format: <bool>
+ Enable/disable the CPU sampling based debugging.
+ 0: default value, disable debugging
+ 1: enable debugging at boot time
+
cpuidle.off=1 [CPU_IDLE]
disable the cpuidle sub-system
See also Documentation/input/joystick-parport.txt
ddebug_query= [KNL,DYNAMIC_DEBUG] Enable debug messages at early boot
- time. See Documentation/dynamic-debug-howto.txt for
+ time. See
+ Documentation/admin-guide/dynamic-debug-howto.rst for
details. Deprecated, see dyndbg.
debug [KNL] Enable kernel debugging (events log level).
dyndbg[="val"] [KNL,DYNAMIC_DEBUG]
module.dyndbg[="val"]
Enable debug messages at boot time. See
- Documentation/dynamic-debug-howto.txt for details.
+ Documentation/admin-guide/dynamic-debug-howto.rst
+ for details.
nompx [X86] Disables Intel Memory Protection Extensions.
See Documentation/x86/intel_mpx.txt for more
must already be setup and configured. Options are not
yet supported.
+ owl,<addr>
+ Start an early, polled-mode console on a serial port
+ of an Actions Semi SoC, such as S500 or S900, at the
+ specified address. The serial port must already be
+ setup and configured. Options are not yet supported.
+
smh Use ARM semihosting calls for early console.
s3c2410,<addr>
in crypto/hash_info.h.
ima_policy= [IMA]
- The builtin measurement policy to load during IMA
- setup. Specyfing "tcb" as the value, measures all
- programs exec'd, files mmap'd for exec, and all files
- opened with the read mode bit set by either the
- effective uid (euid=0) or uid=0.
- Format: "tcb"
+ The builtin policies to load during IMA setup.
+ Format: "tcb | appraise_tcb | secure_boot"
+
+ The "tcb" policy measures all programs exec'd, files
+ mmap'd for exec, and all files opened with the read
+ mode bit set by either the effective uid (euid=0) or
+ uid=0.
+
+ The "appraise_tcb" policy appraises the integrity of
+ all files owned by root. (This is the equivalent
+ of ima_appraise_tcb.)
+
+ The "secure_boot" policy appraises the integrity
+ of files (eg. kexec kernel image, kernel modules,
+ firmware, policy, etc) based on file signatures.
ima_tcb [IMA] Deprecated. Use ima_policy= instead.
Load a policy which meets the needs of the Trusted
for all guests.
Default is 1 (enabled) if in 64-bit or 32-bit PAE mode.
+ kvm-arm.vgic_v3_group0_trap=
+ [KVM,ARM] Trap guest accesses to GICv3 group-0
+ system registers
+
+ kvm-arm.vgic_v3_group1_trap=
+ [KVM,ARM] Trap guest accesses to GICv3 group-1
+ system registers
+
+ kvm-arm.vgic_v3_common_trap=
+ [KVM,ARM] Trap guest accesses to GICv3 common
+ system registers
+
kvm-intel.ept= [KVM,Intel] Disable extended page tables
(virtualized MMU) support on capable Intel chips.
Default is 1 (enabled)