On 5/26/22 09:04, Liam Beguin wrote: > Hi Randy, > > On Thu, May 26, 2022 at 08:36:34AM -0700, Randy Dunlap wrote: >> Liam: >> >> Any comment on this? >> Otherwise I'll just send a formal patch like this (below). > > Apologies for not answering earlier. > > I wanted to look more into Masahiro's comment and try to fix the > Makefile, but that can be done after. > > IMO your patch improves the current Kconfig, so I'd recommend sending > the patch. If it can wait a bit, I can look at the Makefile over the > weekend. > Liam, I'll wait until next week to see if you come up with anything. Thanks. > >> >> Thanks. >> >> On 5/20/22 20:51, Randy Dunlap wrote: >>> Ok, one more. >>> [also adding Liam here] >>> >>> On 5/20/22 20:17, Randy Dunlap wrote: >>>> >>>> >>>> On 5/20/22 20:08, Randy Dunlap wrote: >>>>> >>>>> >>>>> On 5/20/22 19:40, Randy Dunlap wrote: >>>>>> Hi, >>>>>> >>>>>> In March I reported that a randconfig build complained: >>>>>> >>>>>> ERROR: modpost: missing MODULE_LICENSE() in drivers/iio/afe/iio-rescale.o >>>>>> >>>>>> (https://lore.kernel.org/all/16509fb6-e40c-e31b-2c80-264c44b0beb9@xxxxxxxxxxxxx/) >>>>>> >>>>>> I am still seeing this problem so I tried to dig into it a bit. >>>>>> However, I don't see why get_next_modinfo() and friends don't find the >>>>>> MODULE_LICENSE() since it is in the iio-rescale.o file. >>>>>> >>>>>> (BTW, I see this build error on many different $ARCH [around 15 tested] >>>>>> and with 2 different versions of GCC.) >>>>>> >>>>>> Q1: Is modpost checking both vmlinux and iio-rescale.o for modinfo license >>>>>> strings? >>>>>> >>>>>> It looks like it is, because it appears (?) that modpost is looking at >>>>>> drivers/iio/test/iio-test-rescale.o (<<<<< a kunit test, which is builtin >>>>>> in my .config) and at drivers/iio/afe/iio-rescale.o (which is built as a >>>>>> loadable module). >>>>>> >>>>>> Is this confusing modpost? >>>>>> I renamed drivers/iio/afe/iio-rescale.c to afe-rescale.c and changed its >>>>>> Makefile entry accordingly and the MODULE_LICENSE error goes away. >>>>> >>>>> Oh well. This rename causes drivers/iio/test/iio-test-rescale.c to have >>>>> build errors, so that's not a solution, just some info... >>>> >>>> and that was due to not updating drivers/iio/test/Makefile. >>>> When that is done, the missing MODULE_LICENSE() is back in afe-rescale.o. >>>> >>>>> >>>>>> Is this a modpost error or is kunit messing things up? >>>>>> >>>>>> thanks for looking. >>> >>> Does this look OK? It allows afe/iio-rescale.o to build XOR >>> test/iio-rescale.o (not both of them). >>> >>> --- a/drivers/iio/test/Kconfig >>> +++ b/drivers/iio/test/Kconfig >>> @@ -6,7 +6,7 @@ >>> # Keep in alphabetical order >>> config IIO_RESCALE_KUNIT_TEST >>> bool "Test IIO rescale conversion functions" >>> - depends on KUNIT=y && !IIO_RESCALE >>> + depends on KUNIT=y && IIO_RESCALE=n >>> default KUNIT_ALL_TESTS >>> help >>> If you want to run tests on the iio-rescale code say Y here. >>> >>> >> >> -- >> ~Randy -- ~Randy