On Mon, Apr 07, 2025 at 09:42:47AM +0200, Thomas Weißschuh wrote: > UAPI selftests may expect a "normal" userspace environment. > For example the normal kernel API pseudo-filesystems should be mounted. > This could be done from kernel code but it is non-idiomatic. > > Add a preinit userspace executable which performs these setup steps > before running the final test executable. > This preinit executable is only ever run from the kernel. > Give it access to autoconf.h and kconfig.h to adapt itself to the > tested kernel. > > Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> > --- > lib/kunit/Makefile | 9 ++++++- > lib/kunit/uapi-preinit.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++ > lib/kunit/uapi.c | 11 ++++++-- > 3 files changed, 82 insertions(+), 3 deletions(-) > > diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile > index 1b6be12676f89cafa34f0093d8136b36f4cf5532..0e9a26d90bf4d5128e270ecaa8f3465f28da0fa2 100644 > --- a/lib/kunit/Makefile > +++ b/lib/kunit/Makefile > @@ -12,7 +12,14 @@ kunit-objs += test.o \ > device.o \ > platform.o > > -kunit-$(CONFIG_KUNIT_UAPI) += uapi.o > +userprogs += uapi-preinit as for kunit-example-uapi, please add a 'clean-files' definition: clean-files += uapi-preinit -- Nicolas Schier
