[PATCH RESEND v11 10/13] um: nommu: a work around for MMU dependency to PCI driver

[Johannes Berg]

On Tue, 2025-09-23 at 17:42 +0200, Geert Uytterhoeven wrote:
> > 
> > currently, drivers/pci/Kconfig (CONFIG_PCI) marks as depends on MMU,
> > so we cannot select it when CONFIG_MMU=n.
> 
> That is a fairly recent change, see commit 8fe743b5eba0abfb ("PCI:
> Add CONFIG_MMU dependency") in v6.16-rc1.  As this is not a "hard"
> dependency, perhaps it should be reverted, iff you are willing to take
> care of the casual breakage?

Why though? UML with PCI can't really be a functional thing, only a
testing thing, and testing PCI on !MMU when that is actually impossible
in non-simulation is pointless?

johannes