From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: linux-next: Tree for Nov 15 (objtool)
Date: Fri, 15 Nov 2019 10:38:30 -0600 [thread overview]
Message-ID: <20191115163830.g262y75w3sh535fm@treble> (raw)
In-Reply-To: <c49752fe-4b47-2329-2cb8-caad44803e3a@infradead.org>
On Fri, Nov 15, 2019 at 08:02:30AM -0800, Randy Dunlap wrote:
> On 11/15/19 12:05 AM, Stephen Rothwell wrote:
> > Hi all,
> >
> > Changes since 20191114:
> >
>
> on x86_64:
>
> already reported and Josh supplied a fix (yet unmerged),
> but this is still around:
>
> kernel/exit.o: warning: objtool: __x64_sys_exit_group()+0x14: unreachable instruction
My apologies, I have a growing backlog of objtool fixes which I hope to
post next week.
>
> new AFAIK:
>
> drivers/gpu/drm/bridge/cdns-dsi.o: warning: objtool: cdns_dsi_bridge_enable()+0x3e0: unreachable instruction
>
> obj file for latter one is attached.
This seems fishy. cdns_dsi_init_link() never returns, it always dies a
with UD2. I bet GCC decided that it always does a divide-by-zero, and
so it forces a crash as a result. Will try to dig deeper next week...
--
Josh
next prev parent reply other threads:[~2019-11-15 16:38 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-15 8:05 linux-next: Tree for Nov 15 Stephen Rothwell
2019-11-15 16:02 ` linux-next: Tree for Nov 15 (objtool) Randy Dunlap
2019-11-15 16:38 ` Josh Poimboeuf [this message]
2020-01-20 15:37 ` Josh Poimboeuf
2019-11-15 16:11 ` linux-next: Tree for Nov 15 Naresh Kamboju
2019-11-15 16:17 ` linux-next: Tree for Nov 15 (drivers/md/dm-integrity) Randy Dunlap
2019-11-15 16:19 ` Randy Dunlap
2019-11-15 19:27 ` Mike Snitzer
2019-11-18 16:32 ` Alasdair G Kergon
2019-11-15 22:46 ` Stephen Rothwell
2019-11-15 23:10 ` Mike Snitzer
2019-11-15 23:32 ` Stephen Rothwell
2019-11-15 16:35 ` linux-next: Tree for Nov 15 (sound/soc/codecs/rt5677) Randy Dunlap
2019-11-15 23:44 ` linux-next: Tree for Nov 15 (thermal: THERMAL_GOV_POWER_ALLOCATOR) Randy Dunlap
2019-12-04 16:25 ` Randy Dunlap
2019-12-05 4:27 ` Zhang Rui
2019-12-05 4:36 ` Quentin Perret
2019-12-05 5:50 ` Zhang Rui
2019-12-05 5:47 ` Randy Dunlap
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