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Message-ID: <202106040819.H1u8TBpj-lkp@intel.com>
Date: Fri, 4 Jun 2021 09:03:28 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/8xx: Allow disabling KUAP at boot time
Hi Christophe,
I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.13-rc4 next-20210603]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-8xx-Allow-disabling-KUAP-at-boot-time/20210603-170313
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-tqm8xx_defconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/95e4b5f2179c23e263e6889852978227583762f5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Christophe-Leroy/powerpc-8xx-Allow-disabling-KUAP-at-boot-time/20210603-170313
git checkout 95e4b5f2179c23e263e6889852978227583762f5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/kup.h:22,
from arch/powerpc/include/asm/uaccess.h:9,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/nohash/32/kup-8xx.h: In function 'kuap_is_disabled':
>> arch/powerpc/include/asm/nohash/32/kup-8xx.h:18:9: error: implicit declaration of function 'static_branch_unlikely' [-Werror=implicit-function-declaration]
18 | return static_branch_unlikely(&disable_kuap_key);
| ^~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from arch/powerpc/include/asm/kup.h:22,
from arch/powerpc/include/asm/uaccess.h:9,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/nohash/32/kup-8xx.h: In function 'kuap_is_disabled':
>> arch/powerpc/include/asm/nohash/32/kup-8xx.h:18:9: error: implicit declaration of function 'static_branch_unlikely' [-Werror=implicit-function-declaration]
18 | return static_branch_unlikely(&disable_kuap_key);
| ^~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1227: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from arch/powerpc/include/asm/kup.h:22,
from arch/powerpc/include/asm/uaccess.h:9,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/nohash/32/kup-8xx.h: In function 'kuap_is_disabled':
>> arch/powerpc/include/asm/nohash/32/kup-8xx.h:18:9: error: implicit declaration of function 'static_branch_unlikely' [-Werror=implicit-function-declaration]
18 | return static_branch_unlikely(&disable_kuap_key);
| ^~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1227: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/static_branch_unlikely +18 arch/powerpc/include/asm/nohash/32/kup-8xx.h
15
16 static __always_inline bool kuap_is_disabled(void)
17 {
> 18 return static_branch_unlikely(&disable_kuap_key);
19 }
20
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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