This is useful especially for KUnit tests, where we may want to
dynamically add/remove PCI domains.

Signed-off-by: Brian Norris <briannorris@chromium.org>
---

 arch/um/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 9083bfdb7735..7fccd63c3229 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -38,6 +38,7 @@ config UML
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_SYSCALL_TRACEPOINTS
 	select THREAD_INFO_IN_TASK
+	select PCI_DOMAINS_GENERIC if PCI
 
 config MMU
 	bool
-- 
2.51.0.384.g4c02a37b29-goog