linux-kernel - Re: Linux 4.9.180 build fails with gcc 9 and 'cleanup_module' specifies less restrictive attribute than its target …

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Message-ID: <20190802112612.GB29534@kroah.com>
Date:   Fri, 2 Aug 2019 13:26:12 +0200
From:   Greg KH <greg@...ah.com>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Rolf Eike Beer <eb@...ix.com>, stable@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Linux 4.9.180 build fails with gcc 9 and 'cleanup_module' specifies less restrictive attribute than its target …

On Fri, Aug 02, 2019 at 12:39:38PM +0200, Miguel Ojeda wrote:
> On Fri, Aug 2, 2019 at 12:33 PM Greg KH <greg@...ah.com> wrote:
> >
> > On Fri, Aug 02, 2019 at 12:19:33PM +0200, Miguel Ojeda wrote:
> > > On Fri, Aug 2, 2019 at 10:17 AM Rolf Eike Beer <eb@...ix.com> wrote:
> > > >
> > > > Am Samstag, 8. Juni 2019, 14:00:34 CEST schrieb Miguel Ojeda:
> > > > > On Thu, Jun 6, 2019 at 8:59 PM Greg KH <greg@...ah.com> wrote:
> > > > > > "manually fixing it up" means "hacked it to pieces" to me, I have no
> > > > > > idea what the end result really was :)
> > > > > >
> > > > > > If someone wants to send me some patches I can actually apply, that
> > > > > > would be best...
> > > > >
> > > > > I will give it a go whenever I get some free time :)
> > > >
> > > > I fear this has never happened, did it?
> > >
> > > No. Between summer, holidays and a conference I didn't get to do it.
> > >
> > > Done the minimal approach here:
> > >
> > >   https://github.com/ojeda/linux/commits/compiler-attributes-backport
> > >
> > > Tested building a handful of drivers with gcc 4.6.4, 8.3.0 and 9.1.1.
> > >
> > > Greg, I could backport the entire compiler_attributes.h, but given
> > > this is stable, we are supposed to minimize changes, right?
> > >
> > > I tried to imitate what you do in other stable patches, please check
> > > the Cc:, Link: lines and the "commit ... upstream" just in case.
> >
> > If only those 2 patches are all that is needed, nice!  I'll gladly take
> > them, can you send them to me (and cc: the stable list) in email so I
> > can queue them up for the next round of releases after this one?
> 
> Done! Please double check, since I am not used to send to stable.

Yes, got them, thanks!  I'll queue them up next week for the next round
of releases and let you know if I have any problems with them.

thanks again,

greg k-h