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-rwxr-xr-xsrc/conf_mode/system_option.py56
1 files changed, 53 insertions, 3 deletions
diff --git a/src/conf_mode/system_option.py b/src/conf_mode/system_option.py
index 064a1aa91..5acad6599 100755
--- a/src/conf_mode/system_option.py
+++ b/src/conf_mode/system_option.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2019-2024 VyOS maintainers and contributors
+# Copyright (C) 2019-2025 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -122,7 +122,14 @@ def generate(options):
render(ssh_config, 'system/ssh_config.j2', options)
render(usb_autosuspend, 'system/40_usb_autosuspend.j2', options)
+ # XXX: This code path and if statements must be kept in sync with the Kernel
+ # option handling in image_installer.py:get_cli_kernel_options(). This
+ # occurance is used for having the appropriate options passed to GRUB
+ # when re-configuring options on the CLI.
cmdline_options = []
+ kernel_opts = options.get('kernel', {})
+ k_cpu_opts = kernel_opts.get('cpu', {})
+ k_memory_opts = kernel_opts.get('memory', {})
if 'kernel' in options:
if 'disable_mitigations' in options['kernel']:
cmdline_options.append('mitigations=off')
@@ -131,8 +138,51 @@ def generate(options):
if 'amd_pstate_driver' in options['kernel']:
mode = options['kernel']['amd_pstate_driver']
cmdline_options.append(
- f'initcall_blacklist=acpi_cpufreq_init amd_pstate={mode}'
- )
+ f'initcall_blacklist=acpi_cpufreq_init amd_pstate={mode}')
+ if 'quiet' in options['kernel']:
+ cmdline_options.append('quiet')
+
+ if 'disable_hpet' in kernel_opts:
+ cmdline_options.append('hpet=disable')
+
+ if 'disable_mce' in kernel_opts:
+ cmdline_options.append('mce=off')
+
+ if 'disable_softlockup' in kernel_opts:
+ cmdline_options.append('nosoftlockup')
+
+ # CPU options
+ isol_cpus = k_cpu_opts.get('isolate_cpus')
+ if isol_cpus:
+ cmdline_options.append(f'isolcpus={isol_cpus}')
+
+ nohz_full = k_cpu_opts.get('nohz_full')
+ if nohz_full:
+ cmdline_options.append(f'nohz_full={nohz_full}')
+
+ rcu_nocbs = k_cpu_opts.get('rcu_no_cbs')
+ if rcu_nocbs:
+ cmdline_options.append(f'rcu_nocbs={rcu_nocbs}')
+
+ if 'disable_nmi_watchdog' in k_cpu_opts:
+ cmdline_options.append('nmi_watchdog=0')
+
+ # Memory options
+ if 'disable_numa_balancing' in k_memory_opts:
+ cmdline_options.append('numa_balancing=disable')
+
+ default_hp_size = k_memory_opts.get('default_hugepage_size')
+ if default_hp_size:
+ cmdline_options.append(f'default_hugepagesz={default_hp_size}')
+
+ hp_sizes = k_memory_opts.get('hugepage_size')
+ if hp_sizes:
+ for size, settings in hp_sizes.items():
+ cmdline_options.append(f'hugepagesz={size}')
+ count = settings.get('hugepage_count')
+ if count:
+ cmdline_options.append(f'hugepages={count}')
+
grub_util.update_kernel_cmdline_options(' '.join(cmdline_options))
return None