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Diffstat (limited to 'pkgs/os-specific/linux/kernel/common-config.nix')
| -rw-r--r-- | pkgs/os-specific/linux/kernel/common-config.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix index 6b1a7d127a9..356b794039e 100644 --- a/pkgs/os-specific/linux/kernel/common-config.nix +++ b/pkgs/os-specific/linux/kernel/common-config.nix @@ -77,6 +77,10 @@ let ACPI_APEI = (option yes); # APEI Generic Hardware Error Source ACPI_APEI_GHES = (option yes); + + # Enable lazy RCUs for power savings: + # https://lore.kernel.org/rcu/20221019225138.GA2499943@paulmck-ThinkPad-P17-Gen-1/ + RCU_LAZY = whenAtLeast "6.2" yes; } // optionalAttrs (stdenv.hostPlatform.isx86) { INTEL_IDLE = yes; INTEL_RAPL = whenAtLeast "5.3" module; |