From: kbuild test robot <lkp@intel.com>
To: "J. R. Okajima" <hooanon05g@gmail.com>
Cc: kbuild-all@01.org, peterz@infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] lockdep: new annotation lock_downgrade()
Date: Fri, 3 Feb 2017 01:59:37 +0800 [thread overview]
Message-ID: <201702030137.ONyfgEno%fengguang.wu@intel.com> (raw)
In-Reply-To: <1486053497-9948-3-git-send-email-hooanon05g@gmail.com>
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Hi Okajima,
[auto build test ERROR on tip/locking/core]
[also build test ERROR on v4.10-rc6 next-20170202]
[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/J-R-Okajima/lockdep-consolidate-by-new-find_held_lock/20170203-010303
config: x86_64-randconfig-x018-201705 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
kernel/locking/rwsem.c: In function 'downgrade_write':
>> kernel/locking/rwsem.c:126:2: error: implicit declaration of function 'lock_downgrade' [-Werror=implicit-function-declaration]
lock_downgrade(&sem->dep_map, _RET_IP_);
^~~~~~~~~~~~~~
>> kernel/locking/rwsem.c:126:21: error: 'struct rw_semaphore' has no member named 'dep_map'
lock_downgrade(&sem->dep_map, _RET_IP_);
^~
cc1: some warnings being treated as errors
vim +/lock_downgrade +126 kernel/locking/rwsem.c
120
121 /*
122 * downgrade write lock to read lock
123 */
124 void downgrade_write(struct rw_semaphore *sem)
125 {
> 126 lock_downgrade(&sem->dep_map, _RET_IP_);
127
128 rwsem_set_reader_owned(sem);
129 __downgrade_write(sem);
---
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:[~2017-02-02 18:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-30 21:25 Q: lockdep_assert_held_read() after downgrade_write() J. R. Okajima
2017-01-30 21:30 ` Jens Axboe
2017-01-31 10:36 ` Peter Zijlstra
2017-01-31 11:25 ` Peter Zijlstra
2017-01-31 14:23 ` Waiman Long
2017-01-31 14:26 ` Peter Zijlstra
2017-01-31 15:40 ` J. R. Okajima
2017-01-31 16:32 ` Peter Zijlstra
2017-02-02 16:33 ` J. R. Okajima
2017-02-02 16:38 ` [PATCH 1/3] lockdep: consolidate by new find_held_lock() J. R. Okajima
2017-02-02 16:38 ` [PATCH 2/3] lockdep: consolidate by new validate_held_lock() J. R. Okajima
2017-02-14 12:09 ` Peter Zijlstra
2017-03-16 11:25 ` [tip:locking/core] locking/lockdep: Factor out the validate_held_lock() helper function tip-bot for J. R. Okajima
2017-02-02 16:38 ` [PATCH 3/3] lockdep: new annotation lock_downgrade() J. R. Okajima
2017-02-02 17:59 ` kbuild test robot [this message]
2017-02-02 18:45 ` Peter Zijlstra
2017-02-02 21:05 ` J. R. Okajima
2017-02-14 12:11 ` Peter Zijlstra
2017-03-16 11:25 ` [tip:locking/core] locking/lockdep: Add new check to lock_downgrade() tip-bot for J. R. Okajima
2017-03-16 11:24 ` [tip:locking/core] locking/lockdep: Factor out the find_held_lock() helper function tip-bot for J. R. Okajima
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