From: "Li, Philip" <philip.li@intel.com>
To: Michal Hocko <mhocko@kernel.org>,
"Wu, Fengguang" <fengguang.wu@intel.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
"coreteam@netfilter.org" <coreteam@netfilter.org>,
"netfilter-devel@vger.kernel.org"
<netfilter-devel@vger.kernel.org>,
"kbuild-all@01.org" <kbuild-all@01.org>,
Andrew Morton <akpm@linux-foundation.org>,
Pablo Neira Ayuso <pablo@netfilter.org>
Subject: RE: [kbuild-all] [nf:master 1/9] arch/x86/tools/insn_decoder_test: warning: ffffffff817c07c3: 0f ff e9 ud0 %ecx, %ebp
Date: Mon, 12 Feb 2018 14:38:37 +0000 [thread overview]
Message-ID: <831EE4E5E37DCC428EB295A351E662494C9BD796@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <20180212133547.GD3443@dhcp22.suse.cz>
> On Wed 07-02-18 10:16:31, Wu Fengguang wrote:
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git master
> > head: b408c5b04f82fe4e20bceb8e4f219453d4f21f02
> > commit: 0537250fdc6c876ed4cbbe874c739aebef493ee2 [1/9] netfilter: x_tables:
> make allocation less aggressive
> > config: x86_64-rhel-7.2 (attached as .config)
> > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> > reproduce:
> > git checkout 0537250fdc6c876ed4cbbe874c739aebef493ee2
> > # save the attached .config to linux build tree
> > make ARCH=x86_64
> >
> > All warnings (new ones prefixed by >>):
> >
> > arch/x86/tools/insn_decoder_test: warning: Found an x86 instruction decoder
> bug, please report this.
> > arch/x86/tools/insn_decoder_test: warning: ffffffff817aed81: 0f ff c3
> ud0 %ebx,%eax
>
> I really fail to see how the above patch could have made any difference.
> I am even not sure what the actual bug is, to be honest.
sorry for the noise, this is a false positive after we upgrade to gcc7.3. We have
blacklisted this warning in test farm, and kernel side has started the fix to handle
this. Kindly ignore this report.
>
> --
> Michal Hocko
> SUSE Labs
> _______________________________________________
> kbuild-all mailing list
> kbuild-all@lists.01.org
> https://lists.01.org/mailman/listinfo/kbuild-all
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prev parent reply other threads:[~2018-02-12 14:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-07 2:16 [nf:master 1/9] arch/x86/tools/insn_decoder_test: warning: ffffffff817c07c3: 0f ff e9 ud0 %ecx,%ebp kbuild test robot
2018-02-12 13:35 ` Michal Hocko
2018-02-12 14:38 ` Li, Philip [this message]
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