From 3d1905e3f5d8cf79928f02300a007cb492369b97 Mon Sep 17 00:00:00 2001 From: Aaron Andersen Date: Mon, 22 Jul 2019 13:22:16 -0400 Subject: linux/kernel: enable automatic cpu hotplug support --- pkgs/os-specific/linux/kernel/common-config.nix | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'pkgs/os-specific/linux/kernel') diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix index 855f854b111..b392dc853d3 100644 --- a/pkgs/os-specific/linux/kernel/common-config.nix +++ b/pkgs/os-specific/linux/kernel/common-config.nix @@ -699,11 +699,13 @@ let PREEMPT_VOLUNTARY = yes; } // optionalAttrs (stdenv.hostPlatform.system == "x86_64-linux" || stdenv.hostPlatform.system == "aarch64-linux") { - # Enable memory hotplug support - # Allows you to dynamically add & remove memory to a VM client running NixOS without requiring a reboot + # Enable CPU/memory hotplug support + # Allows you to dynamically add & remove CPUs/memory to a VM client running NixOS without requiring a reboot + ACPI_HOTPLUG_CPU = yes; ACPI_HOTPLUG_MEMORY = yes; MEMORY_HOTPLUG = yes; MEMORY_HOTREMOVE = yes; + HOTPLUG_CPU = yes; MIGRATION = yes; SPARSEMEM = yes; -- cgit 1.4.1