From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Ivan Babrou <ivan@cloudflare.com>,
Peter Zijlstra <peterz@infradead.org>,
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>,
Greg KH <gregkh@linuxfoundation.org>,
Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
kernel-team <kernel-team@cloudflare.com>
Subject: Re: Linux 4.19 and GCC 9
Date: Thu, 16 May 2019 21:03:39 -0500 [thread overview]
Message-ID: <20190516225013.nvhwqi5tfwtby6qb@treble> (raw)
In-Reply-To: <CANiq72=fsL5m2_e+bNovFCHy3=YVf53EKGtGE_sWvsAD=ONHuQ@mail.gmail.com>
On Thu, May 16, 2019 at 11:20:54PM +0200, Miguel Ojeda wrote:
> > mm/slub.o: warning: objtool: init_cache_random_seq()+0x36: sibling
> > call from callable instruction with modified stack frame
> > mm/slub.o: warning: objtool: slab_out_of_memory()+0x3b: sibling call
> > from callable instruction with modified stack frame
> > mm/slub.o: warning: objtool: slab_pad_check.part.0()+0x7c: sibling
> > call from callable instruction with modified stack frame
> > mm/slub.o: warning: objtool: check_slab()+0x1c: sibling call from
> > callable instruction with modified stack frame
>
> AFAIK those are non-critical, i.e. stack traces may be wrong (or not),
> but it does not mean the generated kernel itself is wrong. CC'ing the
> objtool maintainers too.
I don't think I recognize those warnings. Do you also see them in the
upstream kernel?
--
Josh
next prev parent reply other threads:[~2019-05-17 2:04 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CABWYdi06NUOWRLingNuybgZZsTZPjhmsOx-9oCGK94qZGYbzcw@mail.gmail.com>
[not found] ` <CANiq72kvpiC-i53AXM-YsCUvWroHQemmqxsXjnB330ZEeHahUg@mail.gmail.com>
[not found] ` <CABWYdi1zhTTaN-GSgH0DnPfz7p=SRw0wts5QVYYVtfvoiS0qnQ@mail.gmail.com>
2019-05-16 21:20 ` Linux 4.19 and GCC 9 Miguel Ojeda
2019-05-16 21:24 ` Ivan Babrou
2019-05-17 2:03 ` Josh Poimboeuf [this message]
2019-05-17 3:14 ` Ivan Babrou
2019-05-17 5:09 ` Greg KH
2019-05-17 7:38 ` Peter Zijlstra
2019-05-17 8:35 ` Miguel Ojeda
2019-05-17 8:51 ` Greg KH
2019-05-17 9:01 ` Miguel Ojeda
2019-05-17 9:23 ` Greg KH
2019-05-17 9:27 ` Miguel Ojeda
2019-05-17 9:42 ` Greg KH
2019-05-17 11:52 ` Greg KH
2019-05-17 9:48 ` Greg KH
2019-05-17 15:22 ` Arnaldo Carvalho de Melo
2019-05-17 17:23 ` Ivan Babrou
2019-05-17 17:37 ` Arnaldo Carvalho de Melo
2019-06-10 7:21 ` Ivan Babrou
2019-06-10 7:45 ` Greg KH
2019-06-10 9:32 ` Ignat Korchagin
2019-06-10 14:21 ` Greg KH
2019-06-10 14:42 ` Miguel Ojeda
2019-06-10 14:48 ` Greg KH
2019-06-10 15:01 ` Ignat Korchagin
2019-06-10 15:04 ` Miguel Ojeda
2019-06-10 15:14 ` Arnaldo Carvalho de Melo
2019-06-10 15:25 ` Greg KH
2019-06-10 19:14 ` Arnaldo Carvalho de Melo
2019-06-24 10:42 ` Ignat Korchagin
2019-06-25 7:50 ` Greg KH
2019-06-25 8:08 ` Greg KH
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