kexec-tools/kdump.sysconfig.x86_64
Baoquan He c3602e32a2 kdump.sysconfig/x86_64: Add nokaslr to kdump kernel cmdline
KASLR is to enhance security on OS kernel. While kdump kernel is
working after normal kernel corrupted. There's no need to do kaslr
in kdump kernel, so add 'nokaslr' to disable kaslr.

Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
2017-04-27 13:59:49 +08:00

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# Kernel Version string for the -kdump kernel, such as 2.6.13-1544.FC5kdump
# If no version is specified, then the init script will try to find a
# kdump kernel with the same version number as the running kernel.
KDUMP_KERNELVER=""
# The kdump commandline is the command line that needs to be passed off to
# the kdump kernel. This will likely match the contents of the grub kernel
# line. For example:
# KDUMP_COMMANDLINE="ro root=LABEL=/"
# Dracut depends on proper root= options, so please make sure that appropriate
# root= options are copied from /proc/cmdline. In general it is best to append
# command line options using "KDUMP_COMMANDLINE_APPEND=".
# If a command line is not specified, the default will be taken from
# /proc/cmdline
KDUMP_COMMANDLINE=""
# This variable lets us remove arguments from the current kdump commandline
# as taken from either KDUMP_COMMANDLINE above, or from /proc/cmdline
# NOTE: some arguments such as crashkernel will always be removed
KDUMP_COMMANDLINE_REMOVE="hugepages hugepagesz slub_debug quiet"
# This variable lets us append arguments to the current kdump commandline
# after processed by KDUMP_COMMANDLINE_REMOVE
KDUMP_COMMANDLINE_APPEND="irqpoll nr_cpus=1 reset_devices cgroup_disable=memory mce=off numa=off udev.children-max=2 panic=10 rootflags=nofail acpi_no_memhotplug transparent_hugepage=never nokaslr"
# Any additional kexec arguments required. In most situations, this should
# be left empty
#
# Example:
# KEXEC_ARGS="--elf32-core-headers"
KEXEC_ARGS=""
#Where to find the boot image
#KDUMP_BOOTDIR="/boot"
#What is the image type used for kdump
KDUMP_IMG="vmlinuz"
#What is the images extension. Relocatable kernels don't have one
KDUMP_IMG_EXT=""