Re: [PATCH] PCI: endpoint: pci-epf-test: select configfs

[Bjorn Helgaas <helgaas@kernel.org>]

On Fri, Feb 13, 2026 at 10:35:24AM +0100, Niklas Cassel wrote:
> On Fri, Feb 13, 2026 at 08:39:34AM +0900, Damien Le Moal wrote:
> > > I think at that point we would instead drop PCI_ENDPOINT_CONFIGFS
> > > as a Kconfig option, since it is never user selectable. Otherwise
> > > this is probably a sensible solution as well.
> > 
> > +1. That option is mandatory, so it is not an option at all :)
> > If PCI_ENDPOINT is set, we must have configfs.
> 
> A quick git grep:
> 
> $ git grep PCI_ENDPOINT_CONFIGFS
> Documentation/PCI/endpoint/pci-ntb-howto.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> Documentation/PCI/endpoint/pci-ntb-howto.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> Documentation/PCI/endpoint/pci-test-howto.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> Documentation/PCI/endpoint/pci-test-howto.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> Documentation/PCI/endpoint/pci-vntb-howto.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> Documentation/PCI/endpoint/pci-vntb-howto.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> Documentation/nvme/nvme-pci-endpoint-target.rst:CONFIG_PCI_ENDPOINT_CONFIGFS, and CONFIG_NVME_TARGET_PCI_EPF enabled.
> Documentation/nvme/nvme-pci-endpoint-target.rst:If PCI_ENDPOINT_CONFIGFS is enabled::
> arch/arm/configs/multi_v7_defconfig:CONFIG_PCI_ENDPOINT_CONFIGFS=y
> arch/arm/configs/omap2plus_defconfig:CONFIG_PCI_ENDPOINT_CONFIGFS=y
> arch/arm64/configs/defconfig:CONFIG_PCI_ENDPOINT_CONFIGFS=y
> drivers/pci/endpoint/Makefile:obj-$(CONFIG_PCI_ENDPOINT_CONFIGFS)       += pci-ep-cfs.o
> drivers/pci/endpoint/pci-epf-core.c:    if (!IS_ENABLED(CONFIG_PCI_ENDPOINT_CONFIGFS))
> drivers/pci/endpoint/pci-epf-core.c:    if (!IS_ENABLED(CONFIG_PCI_ENDPOINT_CONFIGFS))
> include/linux/pci-ep-cfs.h:#ifdef CONFIG_PCI_ENDPOINT_CONFIGFS
> tools/testing/selftests/pci_endpoint/config:CONFIG_PCI_ENDPOINT_CONFIGFS=y
> 
> 
> I think we should just merge and send Arnd's fix to Linus for the 7.0
> release cycle.
> 
> If we want to remove CONFIG_PCI_ENDPOINT_CONFIGFS, it will require changes
> in the docs, defconfigs, etc., so it does seem like something that would
> have to target 7.1 rather than 7.0.

Are there other undefined references lurking that we just haven't
tripped over yet?