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-rw-r--r--pkgs/os-specific/linux/kernel/common-config.nix4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index d4021e735e6..90210b8d5eb 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -24,7 +24,9 @@ with stdenv.lib;
   # Support drivers that need external firmware.
   STANDALONE n
 
-  # Make /proc/config.gz available.
+  # Enable the complete Linux kernel ".config" file to be saved in the kernel.
+  # Also, make it available at runtime as /proc/config.gz.
+  IKCONFIG y
   IKCONFIG_PROC y
 
   # Optimize with -O2, not -Os.