From: kbuild test robot <lkp@intel.com>
To: Michal Suchanek <msuchanek@suse.de>
Cc: kbuild-all@01.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Suchanek <msuchanek@suse.de>,
Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>,
Nicholas Piggin <npiggin@gmail.com>,
Michael Neuling <mikey@neuling.org>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] powerpc/64s: Enhance the information in cpu_show_spectre_v1()
Date: Tue, 29 May 2018 22:03:10 +0800 [thread overview]
Message-ID: <201805292116.2rlCnXEW%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180528131914.32231-1-msuchanek@suse.de>
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Hi Michal,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.17-rc7 next-20180529]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Michal-Suchanek/powerpc-64s-Enhance-the-information-in-cpu_show_spectre_v1/20180529-181036
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
arch/powerpc/kernel/security.c: In function 'cpu_show_spectre_v1':
>> arch/powerpc/kernel/security.c:54:6: error: 'barrier_nospec_enabled' undeclared (first use in this function); did you mean 'kernfs_ns_enabled'?
if (barrier_nospec_enabled)
^~~~~~~~~~~~~~~~~~~~~~
kernfs_ns_enabled
arch/powerpc/kernel/security.c:54:6: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/kernel/security.c:58:1: error: control reaches end of non-void function [-Werror=return-type]
}
^
cc1: all warnings being treated as errors
vim +54 arch/powerpc/kernel/security.c
48
49 ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, char *buf)
50 {
51 if (!security_ftr_enabled(SEC_FTR_BNDS_CHK_SPEC_BAR))
52 return sprintf(buf, "Not affected\n");
53
> 54 if (barrier_nospec_enabled)
55 return sprintf(buf, "Mitigation: __user pointer sanitization\n");
56 else
57 return sprintf(buf, "Vulnerable\n");
58 }
59
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-05-29 14:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-24 4:15 [PATCH 1/6] powerpc/64s: Add barrier_nospec Michael Ellerman
2018-04-24 4:15 ` [PATCH 2/6] powerpc/64s: Add support for ori barrier_nospec patching Michael Ellerman
2018-04-26 16:10 ` Michal Suchánek
2018-05-01 12:25 ` Michael Ellerman
2018-04-24 4:15 ` [PATCH 3/6] powerpc/64s: Patch barrier_nospec in modules Michael Ellerman
2018-05-03 13:15 ` Michal Suchánek
2018-04-24 4:15 ` [PATCH 4/6] powerpc/64s: Enable barrier_nospec based on firmware settings Michael Ellerman
2018-04-26 16:02 ` Michal Suchánek
2018-05-01 11:11 ` Michael Ellerman
2018-05-02 11:41 ` Michal Suchánek
2018-05-04 0:58 ` Michael Ellerman
2018-04-24 4:15 ` [PATCH 5/6] powerpc: Use barrier_nospec in copy_from_user() Michael Ellerman
2018-04-24 4:15 ` [PATCH 6/6] powerpc/64: Use barrier_nospec in syscall entry Michael Ellerman
2018-04-24 5:44 ` [PATCH 1/6] powerpc/64s: Add barrier_nospec Nicholas Piggin
2018-05-28 13:19 ` [PATCH] powerpc/64s: Enhance the information in cpu_show_spectre_v1() Michal Suchanek
2018-05-29 14:03 ` kbuild test robot [this message]
2018-05-29 14:13 ` Christophe LEROY
2018-05-29 14:46 ` Michal Suchánek
2018-05-29 15:24 ` Christophe Leroy
2018-05-29 16:15 ` Joe Perches
2018-06-04 14:11 ` Michael Ellerman
2018-06-04 14:10 ` [1/6] powerpc/64s: Add barrier_nospec Michael Ellerman
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