Re: [Ksummit-discuss] RFC: Kernel tinification - kernel config reduction

[Guenter Roeck <linux@roeck-us.net>]

On Thu, Aug 14, 2014 at 01:14:50AM +0100, Mark Brown wrote:
> On Wed, Aug 13, 2014 at 03:45:07PM -0700, Guenter Roeck wrote:
> 
> > > The few allmodconfig/allyesconfig builds on
> > > kisskb.ellerman.id.au/kisskb/matrix/ are actually not in such a bad shape.
> > > Shall more be added?
> 
> I can't get that site to load...
> 
Takes forever for me, but after a minute or so I get the results.

> > I don't think there are any you could add, at least none which actually build.
> 
> arm64 should work most of the time - I've been building it daily and
> reporting the results, it's also pretty clear of warnings which is good.
> There's a couple of disappointing problems at the minute though.
> 
I don't get past

scripts/mod/devicetable-offsets.c: In function 'main':
scripts/mod/devicetable-offsets.c:190:1: sorry, unimplemented: function
profiling

This is with gcc 4.8.1 for aarch64, built from buildroot, and host gcc
4.8.2-19ubuntu1. Do I need a new/different compiler ?

> > arm:allmodconfig was quite useful, but it has been broken since 3.10 or so,
> > and I don't think it will ever get fixed.
> 
> Why not?
> 
Beats me. The longer it is broken, the more difficult it will become
to fix it, and thus less likely.

Guenter