On 7/28/23 01:51, Masahiro Yamada wrote: > On Fri, Jul 28, 2023 at 1:30 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: >> >> Use "select"s to ensure that the required kconfig symbols are set >> as expected. >> Drop HOSTAUDIO since it is now equivalent to UML_SOUND. >> >> Allow SOUND with UML regardless of HAS_IOMEM. Otherwise there is a >> kconfig warning for unmet dependencies. (This was not an issue when >> SOUND was defined in arch/um/drivers/Kconfig. I have done 50 randconfig >> builds and didn't find any issues.) >> >> This fixes build errors when CONFIG_SOUND is not set: >> >> ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_cleanup_module': >> hostaudio_kern.c:(.exit.text+0xa): undefined reference to `unregister_sound_mixer' >> ld: hostaudio_kern.c:(.exit.text+0x15): undefined reference to `unregister_sound_dsp' >> ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_init_module': >> hostaudio_kern.c:(.init.text+0x19): undefined reference to `register_sound_dsp' >> ld: hostaudio_kern.c:(.init.text+0x31): undefined reference to `register_sound_mixer' >> ld: hostaudio_kern.c:(.init.text+0x49): undefined reference to `unregister_sound_dsp' >> >> and this kconfig warning: >> WARNING: unmet direct dependencies detected for SOUND >> >> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") >> Fixes: d886e87cb82b ("sound: make OSS sound core optional") >> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> >> Reported-by: kernel test robot <lkp@xxxxxxxxx> >> Link: lore.kernel.org/r/202307141416.vxuRVpFv-lkp@xxxxxxxxx >> Cc: Richard Weinberger <richard@xxxxxx> >> Cc: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx> >> Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx> >> Cc: linux-um@xxxxxxxxxxxxxxxxxxx >> Cc: Tejun Heo <tj@xxxxxxxxxx> >> Cc: Takashi Iwai <tiwai@xxxxxxx> >> Cc: Jaroslav Kysela <perex@xxxxxxxx> >> Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx> >> Cc: Nathan Chancellor <nathan@xxxxxxxxxx> >> Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> >> Cc: Nicolas Schier <nicolas@xxxxxxxxx> >> Cc: linux-kbuild@xxxxxxxxxxxxxxx >> Cc: alsa-devel@xxxxxxxxxxxxxxxx >> --- >> v2: don't delete the HOSTAUDIO Kconfig entry (Masahiro) >> v3: drop HOSTAUDIO and use CONFIG_UML_SOUND for it in Makefile (Takashi); >> add SOUND depends on "|| UML" to HAS_IOMEM >> >> arch/um/drivers/Kconfig | 14 ++------------ >> arch/um/drivers/Makefile | 2 +- >> sound/Kconfig | 2 +- >> 3 files changed, 4 insertions(+), 14 deletions(-) >> >> diff -- a/arch/um/drivers/Kconfig b/arch/um/drivers/Kconfig >> --- a/arch/um/drivers/Kconfig >> +++ b/arch/um/drivers/Kconfig >> @@ -111,24 +111,14 @@ config SSL_CHAN >> >> config UML_SOUND >> tristate "Sound support" >> + select SOUND > > > This would be the only instance that select's SOUND. > Perhaps, this could be 'depends on SOUND'. > (in that case, arch/um/configs/*_defconfig needs modification). > > Just my two cents. > Oh, good point, and one that I agree with. I'll send a v4. > > Reviewed-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> Takashi, I don't know who will merge the patch, but I would expect that one of the UML maintainers to merge it.... FWIW. Thanks. -- ~Randy