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Merge pull request #232620 from K900/fix-kernel-config

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Bernardo Meurer 2023-05-18 13:48:07 -04:00 committed by GitHub
commit 7721e0d2c1
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1 changed files with 6 additions and 2 deletions
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8
pkgs/os-specific/linux/kernel/common-config.nix
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@ -80,7 +80,10 @@ let
# Enable lazy RCUs for power savings:
# https://lore.kernel.org/rcu/20221019225138.GA2499943@paulmck-ThinkPad-P17-Gen-1/
RCU_LAZY = whenAtLeast "6.2" yes;
# RCU_LAZY depends on RCU_NOCB_CPU depends on NO_HZ_FULL
# depends on HAVE_VIRT_CPU_ACCOUNTING_GEN depends on 64BIT,
# so we can't force-enable this
RCU_LAZY = whenAtLeast "6.2" (option yes);
} // optionalAttrs (stdenv.hostPlatform.isx86) {
INTEL_IDLE = yes;
INTEL_RAPL = whenAtLeast "5.3" module;
@ -128,7 +131,8 @@ let
timer = {
# Enable Full Dynticks System.
NO_HZ_FULL = mkIf stdenv.is64bit yes; # TODO: more precise condition?
# NO_HZ_FULL depends on HAVE_VIRT_CPU_ACCOUNTING_GEN depends on 64BIT
NO_HZ_FULL = mkIf stdenv.is64bit yes;
};
# Enable NUMA.