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Date: Sat, 7 Aug 2021 12:23:06 +0800
From: kernel test robot <lkp@...el.com>
To: Eugene Syromiatnikov <esyr@...hat.com>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>,
"Joel Fernandes (Google)" <joel@...lfernandes.org>,
Chris Hyser <chris.hyser@...cle.com>,
Josh Don <joshdon@...gle.com>, Ingo Molnar <mingo@...nel.org>,
Vincent Guittot <vincent.guittot@...aro.org>,
Valentin Schneider <valentin.schneider@....com>,
Mel Gorman <mgorman@...e.de>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] uapi: expose enum pid_type
Hi Eugene,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.14-rc4 next-20210806]
[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/Eugene-Syromiatnikov/uapi-expose-enum-pid_type/20210807-090303
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c9194f32bfd932e976a158d1af97a63be68a2aab
config: arm64-randconfig-r025-20210804 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 10.3.0
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/2bbca57c66637caced712672da1cce4441107353
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Eugene-Syromiatnikov/uapi-expose-enum-pid_type/20210807-090303
git checkout 2bbca57c66637caced712672da1cce4441107353
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm64
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 include/linux/pid.h:5,
from include/uapi/linux/prctl.h:6,
from arch/arm64/include/asm/pointer_auth.h:6,
from arch/arm64/include/asm/processor.h:36,
from include/linux/rcupdate.h:30,
from include/linux/percpu-refcount.h:56,
from include/linux/memremap.h:6,
from drivers/dax/bus.c:3:
include/linux/rculist.h: In function '__list_add_rcu':
>> include/linux/rculist.h:93:2: error: implicit declaration of function 'rcu_assign_pointer' [-Werror=implicit-function-declaration]
93 | rcu_assign_pointer(list_next_rcu(prev), new);
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/string.h:262,
from include/linux/bitmap.h:10,
from include/linux/cpumask.h:12,
from include/linux/smp.h:13,
from include/linux/percpu.h:7,
from include/linux/percpu-refcount.h:55,
from include/linux/memremap.h:6,
from drivers/dax/bus.c:3:
In function 'strncpy',
inlined from 'do_id_store' at drivers/dax/bus.c:89:5:
include/linux/fortify-string.h:27:30: warning: '__builtin_strncpy' specified bound 30 equals destination size [-Wstringop-truncation]
27 | #define __underlying_strncpy __builtin_strncpy
| ^
include/linux/fortify-string.h:38:9: note: in expansion of macro '__underlying_strncpy'
38 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/uapi/linux/prctl.h:6,
from arch/arm64/include/asm/pointer_auth.h:6,
from arch/arm64/include/asm/processor.h:36,
from include/asm-generic/qrwlock.h:14,
from ./arch/arm64/include/generated/asm/qrwlock.h:1,
from arch/arm64/include/asm/spinlock.h:9,
from include/linux/spinlock.h:90,
from include/linux/wait.h:9,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:6,
from include/linux/debugfs.h:15,
from kernel/dma/pool.c:7:
>> include/linux/pid.h:70:2: error: unknown type name 'wait_queue_head_t'
70 | wait_queue_head_t wait_pidfd;
| ^~~~~~~~~~~~~~~~~
vim +/rcu_assign_pointer +93 include/linux/rculist.h
28875945ba98d1 Joel Fernandes (Google 2019-07-16 78)
82524746c27fa4 Franck Bui-Huu 2008-05-12 79 /*
82524746c27fa4 Franck Bui-Huu 2008-05-12 80 * Insert a new entry between two known consecutive entries.
82524746c27fa4 Franck Bui-Huu 2008-05-12 81 *
82524746c27fa4 Franck Bui-Huu 2008-05-12 82 * This is only for internal list manipulation where we know
82524746c27fa4 Franck Bui-Huu 2008-05-12 83 * the prev/next entries already!
82524746c27fa4 Franck Bui-Huu 2008-05-12 84 */
82524746c27fa4 Franck Bui-Huu 2008-05-12 85 static inline void __list_add_rcu(struct list_head *new,
82524746c27fa4 Franck Bui-Huu 2008-05-12 86 struct list_head *prev, struct list_head *next)
82524746c27fa4 Franck Bui-Huu 2008-05-12 87 {
54acd4397d7e7a Kees Cook 2016-08-17 88 if (!__list_add_valid(new, prev, next))
54acd4397d7e7a Kees Cook 2016-08-17 89 return;
54acd4397d7e7a Kees Cook 2016-08-17 90
82524746c27fa4 Franck Bui-Huu 2008-05-12 91 new->next = next;
82524746c27fa4 Franck Bui-Huu 2008-05-12 92 new->prev = prev;
67bdbffd696f29 Arnd Bergmann 2010-02-25 @93 rcu_assign_pointer(list_next_rcu(prev), new);
82524746c27fa4 Franck Bui-Huu 2008-05-12 94 next->prev = new;
82524746c27fa4 Franck Bui-Huu 2008-05-12 95 }
82524746c27fa4 Franck Bui-Huu 2008-05-12 96
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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