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| author | Domen Kožar <domen@dev.si> | 2016-05-20 11:55:20 +0100 |
|---|---|---|
| committer | Domen Kožar <domen@dev.si> | 2016-05-20 11:55:38 +0100 |
| commit | 2d6d731f246fa93ce89cac8bd4c78f45c15a38fe (patch) | |
| tree | 34bd3c11e59a15a9508fa39ef8cb28ffa242c55f | |
| parent | c2ee8e103316b411b7d52870a1c6e7f51042f49b (diff) | |
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nixos: add a small section about kernel module dev
| -rw-r--r-- | nixos/doc/manual/configuration/linux-kernel.xml | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/nixos/doc/manual/configuration/linux-kernel.xml b/nixos/doc/manual/configuration/linux-kernel.xml index ffd7b354efe..0cdae4f6441 100644 --- a/nixos/doc/manual/configuration/linux-kernel.xml +++ b/nixos/doc/manual/configuration/linux-kernel.xml @@ -66,4 +66,25 @@ boot.kernel.sysctl."net.ipv4.tcp_keepalive_time" = 120; sets the kernel’s TCP keepalive time to 120 seconds. To see the available parameters, run <command>sysctl -a</command>.</para> +<section> + <title>Developing kernel modules</title> + + <para>When developing kernel modules it's often convenient to run + edit-compile-run loop as quickly as possible. + + See below snippet as an example of developing <literal>mellanix</literal> + drivers. + </para> + + <screen><![CDATA[ +$ nix-build '<nixpkgs>' -A linuxPackages.kernel.dev +$ nix-shell '<nixpkgs>' -A linuxPackages.kernel +$ unpackPhase +$ cd linux-* +$ make -C $dev/lib/modules/*/build M=$(pwd)/drivers/net/ethernet/mellanox modules +$ sudo insmod ./drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko +]]></screen> + +</section> + </chapter> |