From 3a3e0dff4ff1f80835eca6b2362d792e3ecacc8e Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Tue, 5 Mar 2024 20:23:14 +0100 Subject: T2447: add configurable kernel boot option 'disable-power-saving' Lower available CPU C states to a minimum if this option set. This will set Kernel commandline options "intel_idle.max_cstate=0 processor.max_cstate=1". --- src/conf_mode/system_option.py | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/conf_mode') diff --git a/src/conf_mode/system_option.py b/src/conf_mode/system_option.py index 3b5b67437..7ed451e16 100755 --- a/src/conf_mode/system_option.py +++ b/src/conf_mode/system_option.py @@ -92,6 +92,8 @@ def generate(options): if 'kernel' in options: if 'disable_mitigations' in options['kernel']: cmdline_options.append('mitigations=off') + if 'disable_power_saving' in options['kernel']: + cmdline_options.append('intel_idle.max_cstate=0 processor.max_cstate=1') grub_util.update_kernel_cmdline_options(' '.join(cmdline_options)) return None -- cgit v1.2.3