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

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Date:   Sun, 8 Oct 2017 08:45:55 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Build regressions/improvements in v4.14-rc3

On Sun, Oct 08, 2017 at 09:50:53AM +1100, Michael Ellerman wrote:
> Thomas Meyer <thomas@...3r.de> writes:
> 
> > On Thu, Oct 05, 2017 at 01:43:31PM +1100, Michael Ellerman wrote:
> >> Thomas Meyer <thomas@...3r.de> 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/
>

Hi,

build looks good. Thanks for the setup!

Above problem is known, but I guess the driver is unmaintained:
See https://patchwork.kernel.org/patch/9893071/

> cheers