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Extra Kernel Modules

Place out-of-tree kernel module source directories here. The build system will automatically discover and build every module that has a module.conf.

Directory Convention

modules/
  r8125/
    module.conf        # Required — tells build system where the Kbuild Makefile is
    src/
      Makefile         # Kbuild Makefile (obj-m := r8125.o)
      *.c *.h
  megaraid/
    module.conf
    Makefile           # Kbuild Makefile at top level
    *.c *.h

module.conf

Each module directory must contain a module.conf file:

# Path to the Kbuild Makefile, relative to this module directory
# Use "." if Makefile is at the module root, "src" if in src/ subdirectory
MODSRC=src

The Makefile at MODSRC must be compatible with:

make -C /path/to/kernel M=/path/to/module/<MODSRC> modules

Modules without module.conf are skipped. If MODSRC points to a path without a Makefile/Kbuild, the build will error out.

Resulting .ko files

All .ko files are installed to /lib/modules/<KVNAME>/extra/<module_name>/ inside the main pve-kernel-<KVNAME> package.

Example: Adding r8125

cd modules/
git clone https://github.com/xxx/r8125.git
echo "MODSRC=src" > r8125/module.conf

Then rebuild:

bash autobuild.sh aarch64