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b914a7e168
blscfg: Lookup default_kernelopts variable as fallback for options Related: rhbz#1765297 10_linux.in: fix early exit due error when reading petitboot version Resolves: rhbz#1827397 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
59 lines
1.9 KiB
Bash
Executable file
59 lines
1.9 KiB
Bash
Executable file
#!/bin/bash
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if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
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exit 0
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fi
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# PV and PVH Xen DomU guests boot with pygrub that doesn't have BLS support,
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# also Xen Dom0 use the menuentries from 20_linux_xen and not the ones from
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# 10_linux. So BLS support needs to be disabled for both Xen Dom0 and DomU.
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if [[ -e /sys/hypervisor/type ]] && grep -q "^xen$" /sys/hypervisor/type; then
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RUN_MKCONFIG=true
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DISABLE_BLS=true
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fi
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ARCH=$(uname -m)
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# Older ppc64le OPAL firmware (petitboot version < 1.8.0) don't have BLS support
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# so grub2-mkconfig has to be run to generate a config with menuentry commands.
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if [[ $ARCH = "ppc64le" ]] && [ -d /sys/firmware/opal ]; then
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petitboot_path="/sys/firmware/devicetree/base/ibm,firmware-versions/petitboot"
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if test -e ${petitboot_path}; then
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read -r -d '' petitboot_version < ${petitboot_path}
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petitboot_version="$(echo ${petitboot_version//v})"
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major_version="$(echo ${petitboot_version} | cut -d . -f1)"
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minor_version="$(echo ${petitboot_version} | cut -d . -f2)"
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if test -z ${petitboot_version} || test ${major_version} -lt 1 || \
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test ${major_version} -eq 1 -a ${minor_version} -lt 8; then
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RUN_MKCONFIG=true
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fi
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else
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RUN_MKCONFIG=true
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fi
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fi
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if [[ $DISABLE_BLS = "true" ]]; then
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if grep -q '^GRUB_ENABLE_BLSCFG="*true"*\s*$' /etc/default/grub; then
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sed -i 's/^GRUB_ENABLE_BLSCFG=.*/GRUB_ENABLE_BLSCFG=false/' /etc/default/grub
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fi
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fi
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# A traditional grub configuration file needs to be generated only in the case when
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# the bootloaders are not capable of populating a menu entry from the BLS fragments.
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if [[ $RUN_MKCONFIG != "true" ]]; then
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exit 0
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fi
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[[ -f /etc/default/grub ]] && . /etc/default/grub
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COMMAND="$1"
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case "$COMMAND" in
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add|remove)
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grub2-mkconfig --no-grubenv-update -o /boot/grub2/grub.cfg >& /dev/null
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;;
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*)
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;;
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esac
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