linux-kernel - Re: [PATCH 3.16 000/132] 3.16.74-rc1 review

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Date:   Fri, 20 Sep 2019 16:00:01 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Ben Hutchings <ben@...adent.org.uk>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        Denis Kirjanov <kda@...ux-powerpc.org>
Subject: Re: [PATCH 3.16 000/132] 3.16.74-rc1 review

On Fri, Sep 20, 2019 at 10:16:49PM +0100, Ben Hutchings wrote:
> On Fri, 2019-09-20 at 13:04 -0700, Guenter Roeck wrote:
> > On Fri, Sep 20, 2019 at 03:23:34PM +0100, Ben Hutchings wrote:
> > > This is the start of the stable review cycle for the 3.16.74 release.
> > > There are 132 patches in this series, which will be posted as responses
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > > 
> > > Responses should be made by Mon Sep 23 20:00:00 UTC 2019.
> > > Anything received after that time might be too late.
> > > 
> > 
> > Build results:
> > 	total: 136 pass: 135 fail: 1
> > Failed builds:
> > 	arm:allmodconfig
> > Qemu test results:
> > 	total: 229 pass: 229 fail: 0
> > 
> > Build errors in arm:allmodconfig are along the line of
> > 
> > In file included from include/linux/printk.h:5,
> >                  from include/linux/kernel.h:13,
> >                  from include/linux/clk.h:16,
> >                  from drivers/gpu/drm/tilcdc/tilcdc_drv.h:21,
> >                  from drivers/gpu/drm/tilcdc/tilcdc_drv.c:20:
> > include/linux/init.h:343:7: error: 'cleanup_module'
> > 	specifies less restrictive attribute than its target 'tilcdc_drm_fini': 'cold'
> > 
> > In addition to a few errors like that, there are literally thousands
> > of similar warnings.
> 
> It looks like this is triggered by you switching arm builds from gcc 8
> to 9, rather than by any code change.
> 
Ah, good point.

> Does it actually make sense to try to support building Linux 3.16 with
> gcc 9?  If so, I suppose I'll need to add:
> 

It helps streamline my builds and reduces the number of compilers
I have to keep around. No problem, though; I can switch back to an older
compiler for arm on 3.16.

Guenter