On Mon, Sep 20, 2021 at 9:18 AM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > Anyway, this email ended up being a long explanation of what the code > _should_ do, in the hope that some enterprising kernel developer > decides "Oh, this sounds like an easy thing to fix". But you do need > to be able to test the end result at least a tiny bit. In the meantime, the build fix is trivial: make that broken sparc pci_iounmap() definition depend on CONFIG_PCI being set. But let me build a few more sparc configs (and this time do it properly for both 32-bit and 64-bit) before I actually commit it and push it out. Linus