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

[Mark Brown <broonie@kernel.org>]

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On Wed, Aug 13, 2014 at 05:38:27PM -0700, Guenter Roeck wrote:
> On Thu, Aug 14, 2014 at 01:14:50AM +0100, Mark Brown wrote:

> > 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 ?

Sounds like it - I use the Linaro toolchains.

> > > 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.

There are people who actively care about that configuration though.

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