Commit d6db3031 authored by K900's avatar K900
Browse files

linux: enable RCU_LAZY where supported 

Supposed to save some power at idle.
parent c99afe4b

pkgs/os-specific/linux/kernel/common-config.nix

+4 −0
Original line number Diff line number Diff line
@@ -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;