Date: Fri, 13 Feb 2026 18:34:06 +0000 From: Sergio Carlavilla Delgado <carlavilla@FreeBSD.org> To: doc-committers@FreeBSD.org, dev-commits-doc-all@FreeBSD.org Subject: git: 1556932a72 - main - Handbook - Kernelconfig: Restore PORTS_MODULES section Message-ID: <698f6e9e.3937c.6ce70ddf@gitrepo.freebsd.org>
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The branch main has been updated by carlavilla: URL: https://cgit.FreeBSD.org/doc/commit/?id=1556932a7258a8d0090a0e85440fd0c9753e59ab commit 1556932a7258a8d0090a0e85440fd0c9753e59ab Author: Sergio Carlavilla Delgado <carlavilla@FreeBSD.org> AuthorDate: 2026-02-13 18:33:15 +0000 Commit: Sergio Carlavilla Delgado <carlavilla@FreeBSD.org> CommitDate: 2026-02-13 18:33:15 +0000 Handbook - Kernelconfig: Restore PORTS_MODULES section Reported by: des@ --- .../en/books/handbook/kernelconfig/_index.adoc | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/documentation/content/en/books/handbook/kernelconfig/_index.adoc b/documentation/content/en/books/handbook/kernelconfig/_index.adoc index 9769a57018..aa8e845f14 100644 --- a/documentation/content/en/books/handbook/kernelconfig/_index.adoc +++ b/documentation/content/en/books/handbook/kernelconfig/_index.adoc @@ -292,8 +292,7 @@ Once the edits to the custom configuration file have been saved, the source code # make installkernel KERNCONF=MYKERNEL .... + -. Shutdown the system and reboot into the new kernel. If something goes wrong, - refer to crossref:kernelconfig[kernelconfig-noboot, The kernel does not boot]. +. Shutdown the system and reboot into the new kernel. If something goes wrong, refer to crossref:kernelconfig[kernelconfig-noboot, The kernel does not boot]. ==== By default, when a custom kernel is compiled, all kernel modules are rebuilt. @@ -313,6 +312,24 @@ Alternately, this variable lists which modules to exclude from the build process WITHOUT_MODULES = linux acpi sound .... +This variable instructs the build to skip kernel modules and compile only the kernel itself: + +[.programlisting] +.... +NO_MODULES = yes +.... + +The Ports Framework includes drivers and other modules that depend on kernel interfaces, such as package:graphics/drm-kmod[] or package:emulators/virtualbox-ose-kmod[]. +With the `PORTS_MODULES` variable, every time the kernel is built, the ports containing kernel modules are re‑built against the updated sources. +This ensures the kernel module stays in‑sync with the kernel itself. +The kernel and ports trees should be updated together for maximum compatibility. +`PORTS_MODULES` can be added to [.filename]#/etc/make.conf# to ensure all kernels you build also rebuild these modules. + +[.programlisting] +.... +PORTS_MODULES = drm-kmod virtualbox-ose-kmod +.... + Additional variables are available. Refer to man:make.conf[5] for details.home | help
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