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Message-ID: <202204251346.WbwgrNZw-lkp@intel.com>
Date: Mon, 25 Apr 2022 13:12:47 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Collingbourne <pcc@...gle.com>,
Andrey Konovalov <andreyknvl@...il.com>,
Hyeonggon Yoo <42.hyeyoo@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Catalin Marinas <catalin.marinas@....com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Linux Memory Management List <linux-mm@...ck.org>,
Peter Collingbourne <pcc@...gle.com>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
vbabka@...e.cz, penberg@...nel.org, roman.gushchin@...ux.dev,
iamjoonsoo.kim@....com, rientjes@...gle.com,
Herbert Xu <herbert@...dor.apana.org.au>,
Andrey Ryabinin <ryabinin.a.a@...il.com>,
Alexander Potapenko <glider@...gle.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
kasan-dev <kasan-dev@...glegroups.com>,
Eric Biederman <ebiederm@...ssion.com>,
Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH v3] mm: make minimum slab alignment a runtime property
Hi Peter,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on hnaz-mm/master]
url: https://github.com/intel-lab-lkp/linux/commits/Peter-Collingbourne/mm-make-minimum-slab-alignment-a-runtime-property/20220423-042024
base: https://github.com/hnaz/linux-mm master
config: arm64-buildonly-randconfig-r002-20220425 (https://download.01.org/0day-ci/archive/20220425/202204251346.WbwgrNZw-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/3aef97055dd4a480e05dff758164f153aaddbb49
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Peter-Collingbourne/mm-make-minimum-slab-alignment-a-runtime-property/20220423-042024
git checkout 3aef97055dd4a480e05dff758164f153aaddbb49
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare
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 kernel/bounds.c:10:
In file included from include/linux/page-flags.h:10:
In file included from include/linux/bug.h:5:
In file included from arch/arm64/include/asm/bug.h:26:
In file included from include/asm-generic/bug.h:22:
In file included from include/linux/printk.h:9:
In file included from include/linux/cache.h:6:
In file included from arch/arm64/include/asm/cache.h:56:
In file included from include/linux/kasan-enabled.h:5:
In file included from include/linux/static_key.h:1:
>> include/linux/jump_label.h:285:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
STATIC_KEY_CHECK_USE(key);
^
include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE'
#define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \
^
include/linux/jump_label.h:291:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
STATIC_KEY_CHECK_USE(key);
^
include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE'
#define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \
^
include/linux/jump_label.h:313:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
STATIC_KEY_CHECK_USE(key);
^
include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE'
#define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \
^
>> include/linux/jump_label.h:316:3: error: call to undeclared function 'WARN_ON_ONCE'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
WARN_ON_ONCE(atomic_read(&key->enabled) != 1);
^
include/linux/jump_label.h:324:2: error: call to undeclared function 'WARN'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
STATIC_KEY_CHECK_USE(key);
^
include/linux/jump_label.h:81:35: note: expanded from macro 'STATIC_KEY_CHECK_USE'
#define STATIC_KEY_CHECK_USE(key) WARN(!static_key_initialized, \
^
include/linux/jump_label.h:327:3: error: call to undeclared function 'WARN_ON_ONCE'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
WARN_ON_ONCE(atomic_read(&key->enabled) != 0);
^
6 errors generated.
make[2]: *** [scripts/Makefile.build:122: kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1283: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:226: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/WARN +285 include/linux/jump_label.h
bf5438fca2950b Jason Baron 2010-09-17 282
c5905afb0ee655 Ingo Molnar 2012-02-24 283 static inline void static_key_slow_inc(struct static_key *key)
d430d3d7e646eb Jason Baron 2011-03-16 284 {
5cdda5117e125e Borislav Petkov 2017-10-18 @285 STATIC_KEY_CHECK_USE(key);
d430d3d7e646eb Jason Baron 2011-03-16 286 atomic_inc(&key->enabled);
d430d3d7e646eb Jason Baron 2011-03-16 287 }
bf5438fca2950b Jason Baron 2010-09-17 288
c5905afb0ee655 Ingo Molnar 2012-02-24 289 static inline void static_key_slow_dec(struct static_key *key)
bf5438fca2950b Jason Baron 2010-09-17 290 {
5cdda5117e125e Borislav Petkov 2017-10-18 291 STATIC_KEY_CHECK_USE(key);
d430d3d7e646eb Jason Baron 2011-03-16 292 atomic_dec(&key->enabled);
bf5438fca2950b Jason Baron 2010-09-17 293 }
bf5438fca2950b Jason Baron 2010-09-17 294
ce48c146495a1a Peter Zijlstra 2018-01-22 295 #define static_key_slow_inc_cpuslocked(key) static_key_slow_inc(key)
ce48c146495a1a Peter Zijlstra 2018-01-22 296 #define static_key_slow_dec_cpuslocked(key) static_key_slow_dec(key)
ce48c146495a1a Peter Zijlstra 2018-01-22 297
4c3ef6d79328c0 Jason Baron 2010-09-17 298 static inline int jump_label_text_reserved(void *start, void *end)
4c3ef6d79328c0 Jason Baron 2010-09-17 299 {
4c3ef6d79328c0 Jason Baron 2010-09-17 300 return 0;
4c3ef6d79328c0 Jason Baron 2010-09-17 301 }
4c3ef6d79328c0 Jason Baron 2010-09-17 302
91bad2f8d30574 Jason Baron 2010-10-01 303 static inline void jump_label_lock(void) {}
91bad2f8d30574 Jason Baron 2010-10-01 304 static inline void jump_label_unlock(void) {}
91bad2f8d30574 Jason Baron 2010-10-01 305
d430d3d7e646eb Jason Baron 2011-03-16 306 static inline int jump_label_apply_nops(struct module *mod)
d430d3d7e646eb Jason Baron 2011-03-16 307 {
d430d3d7e646eb Jason Baron 2011-03-16 308 return 0;
d430d3d7e646eb Jason Baron 2011-03-16 309 }
b202952075f626 Gleb Natapov 2011-11-27 310
e33886b38cc82a Peter Zijlstra 2015-07-24 311 static inline void static_key_enable(struct static_key *key)
e33886b38cc82a Peter Zijlstra 2015-07-24 312 {
5cdda5117e125e Borislav Petkov 2017-10-18 313 STATIC_KEY_CHECK_USE(key);
e33886b38cc82a Peter Zijlstra 2015-07-24 314
1dbb6704de91b1 Paolo Bonzini 2017-08-01 315 if (atomic_read(&key->enabled) != 0) {
1dbb6704de91b1 Paolo Bonzini 2017-08-01 @316 WARN_ON_ONCE(atomic_read(&key->enabled) != 1);
1dbb6704de91b1 Paolo Bonzini 2017-08-01 317 return;
1dbb6704de91b1 Paolo Bonzini 2017-08-01 318 }
1dbb6704de91b1 Paolo Bonzini 2017-08-01 319 atomic_set(&key->enabled, 1);
e33886b38cc82a Peter Zijlstra 2015-07-24 320 }
e33886b38cc82a Peter Zijlstra 2015-07-24 321
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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