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Date: Fri, 17 May 2019 10:51:26 +0200
From: Greg KH <gregkh@linuxfoundation.org>
Subject: Re: Linux 4.19 and GCC 9
Message-ID: <20190517085126.GA3249@kroah.com>
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To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>, Ivan Babrou <ivan@cloudflare.com>, Josh Poimboeuf <jpoimboe@redhat.com>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>, linux-kernel <linux-kernel@vger.kernel.org>, Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>, kernel-team <kernel-team@cloudflare.com>

On Fri, May 17, 2019 at 10:35:29AM +0200, Miguel Ojeda wrote:
> On Fri, May 17, 2019 at 9:38 AM Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > On Fri, May 17, 2019 at 07:09:31AM +0200, Greg KH wrote:
> > > On Thu, May 16, 2019 at 08:14:25PM -0700, Ivan Babrou wrote:
> > > > We are building the upstream kernel. There are a few patches, but
> > > > nothing related to objtool.
> > > >
> > > > Unless you mean mainline/stable by upstream, I haven't tried that. We
> > > > stick to LTS.
> > >
> > > Please work and all of these issues fixed up in Linus's tree and then I
> > > will be glad to take the fixed into the stable releases.
> >
> > Right; if there is anything you can reproduce on linus.git I'll happily
> > have a look. If it doesn't reproduce all you have to do is find the
> > patches that make it work and ask Greg.
> 
> Just to clarify: Linus' master is clean of these issues with GCC 9.1.1.

Great!  Care to find the patches that did that work and send me the git
commit ids so that I can queue them up?  I don't have gcc9 here yet on
my systems, so I can not test for this.

thanks,

greg k-h