From: Josh Poimboeuf <jpoimboe@redhat.com>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>,
kbuild-all@01.org, linux-kernel@vger.kernel.org,
tipbuild@zytor.com, Ingo Molnar <mingo@kernel.org>,
Borislav Petkov <bp@suse.de>
Subject: Re: [tip:x86/asm 24/32] mm/migrate.o: warning: objtool: migrate_misplaced_transhuge_page()+0x71: unreachable instruction
Date: Fri, 3 Nov 2017 10:50:27 -0500 [thread overview]
Message-ID: <20171103155027.yhypc4tydthaifss@treble> (raw)
In-Reply-To: <201711031147.52DcMSGJ%fengguang.wu@intel.com>
On Fri, Nov 03, 2017 at 11:36:50AM +0800, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm
> head: 1e4c4f610f774df6088d7c065b2dd4d22adba698
> commit: da51da189a24bb9b7e2d5a123be096e51a4695a5 [24/32] x86/entry/64: Pass SP0 directly to load_sp0()
> config: x86_64-randconfig-in0-11031034 (attached as .config)
> compiler: gcc-4.6 (Debian 4.6.4-7) 4.6.4
> reproduce:
> git checkout da51da189a24bb9b7e2d5a123be096e51a4695a5
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All warnings (new ones prefixed by >>):
>
> >> mm/migrate.o: warning: objtool: migrate_misplaced_transhuge_page()+0x71: unreachable instruction
I've got a fix for this one coming shortly.
--
Josh
next prev parent reply other threads:[~2017-11-03 15:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-03 3:36 [tip:x86/asm 24/32] mm/migrate.o: warning: objtool: migrate_misplaced_transhuge_page()+0x71: unreachable instruction kbuild test robot
2017-11-03 15:50 ` Josh Poimboeuf [this message]
2017-11-03 22:19 ` [PATCH] objtool: Prevent GCC from merging annotate_unreachable(), take 2 Josh Poimboeuf
2017-11-04 22:31 ` [tip:core/urgent] " tip-bot for Josh Poimboeuf
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