Re: Build regressions/improvements in v4.14-rc3

[Michael Ellerman]

Thomas Meyer <thomas@xxxxxxxx> writes:

> On Thu, Oct 05, 2017 at 01:43:31PM +1100, Michael Ellerman wrote:
>> Thomas Meyer <thomas@xxxxxxxx> writes:
>> > On Tue, Oct 03, 2017 at 08:18:14PM +1100, Michael Ellerman wrote:
>> ...
>> >> 
>> >> I've switched it to using one of the toolchains from Free Electrons,
>> >> which is built with glibc, and that seems to be working:
>> >> 
>> >>   http://kisskb.ellerman.id.au/kisskb/buildresult/13171418/
>> >> 
>> >> 
>> >> Let me know if that's no good.
>> >
>> > Cool, excellent! Look good.
>> >
>> > Is it also possible to add an allyesconfig and allmodconfig for UML?
>> 
>> Sure.
>> 
>>   http://kisskb.ellerman.id.au/kisskb/config/484/
>>   http://kisskb.ellerman.id.au/kisskb/config/485/
>> 
>> They don't build :D
>> 
>>   arch/um/drivers/vde_user.c:8:24: fatal error: libvdeplug.h: No such file or directory
>> 
>> 
>> Can I just disable that driver? I'd prefer not to install too many host
>> packages just to get UML building.
>
> Yes, please disable all CONFIG_UML_NET_* drivers.
> allmodconfig for UML is good to catch drivers which actually
> should depend on HAS_IOMEM...

OK, I did that, and also turned off GCOV, now I get:

  ERROR: "devm_ioremap_resource" [drivers/auxdisplay/img-ascii-lcd.ko] undefined!

http://kisskb.ellerman.id.au/kisskb/buildresult/13175206/

cheers