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[Boot] remove loops_per_jiffies option

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No longer has any real effect on the kernel boot time
This commit is contained in:
Antoine Viallon 2024-04-16 19:11:10 +02:00
parent 2fed0d81d6
commit 2c11e25f98
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
1 changed files with 1 additions and 12 deletions
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13
boot.nix
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@ -171,13 +171,6 @@ in {
type = types.int; type = types.int;
}; };
loops_per_jiffies = mkOption {
description = "Set loops_per_jiffies to given constant, reducing boot-time. A value of 0 means autodetection.";
default = 0;
example = 4589490;
type = types.addCheck types.int (v: v > 500 || v == 0);
};
cmdline = mkOption { cmdline = mkOption {
description = "Kernel params as attributes (instead of list)"; description = "Kernel params as attributes (instead of list)";
default = { }; default = { };
@ -213,6 +206,7 @@ in {
imports = [ imports = [
( mkRemovedOptionModule [ "aviallon" "boot" "extraKCflags" ] "Replaced by aviallon.boot.kernel.addOptimizationAttributes attrset" ) ( mkRemovedOptionModule [ "aviallon" "boot" "extraKCflags" ] "Replaced by aviallon.boot.kernel.addOptimizationAttributes attrset" )
( mkRemovedOptionModule [ "aviallon" "boot" "loops_per_jiffies" ] "Actually unused by the kernel" )
]; ];
config = mkMerge [ config = mkMerge [
@ -239,11 +233,6 @@ in {
# Reboot after 5 seconds on panic (prevent system lockup) # Reboot after 5 seconds on panic (prevent system lockup)
"panic" = 5; "panic" = 5;
# Sets loops_per_jiffy to given constant, thus avoiding time-consuming boot-time autodetection
# https://www.kernel.org/doc/html/v5.15/admin-guide/kernel-parameters.html
"lpj" = mkIf (cfg.loops_per_jiffies > 0) cfg.loops_per_jiffies;
# From systemd(1): systemd.show_status # From systemd(1): systemd.show_status
# Takes a boolean argument or the constants error and auto. Can be also specified without an argument, with the same effect as a positive boolean. If enabled, the systemd manager (PID 1) shows # Takes a boolean argument or the constants error and auto. Can be also specified without an argument, with the same effect as a positive boolean. If enabled, the systemd manager (PID 1) shows
# terse service status updates on the console during bootup. With error, only messages about failures are shown, but boot is otherwise quiet. auto behaves like false until there is a significant # terse service status updates on the console during bootup. With error, only messages about failures are shown, but boot is otherwise quiet. auto behaves like false until there is a significant