From: kbuild test robot <lkp@intel.com>
To: Joel Fernandes <joelaf@google.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
Joel Fernandes <joelaf@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Peter Zilstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Tom Zanussi <tom.zanussi@linux.intel.com>,
Namhyung Kim <namhyung@kernel.org>
Subject: Re: [PATCH v1 1/2] tracing: Improve design of preemptirq tracepoints and its users
Date: Fri, 16 Mar 2018 03:51:25 +0800 [thread overview]
Message-ID: <201803160351.YXuH1FAL%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180313214327.37475-2-joelaf@google.com>
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Hi Joel,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc5 next-20180315]
[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/Joel-Fernandes/tracing-Improve-design-of-preemptirq-tracepoints-and-its-users/20180316-012211
config: i386-randconfig-x006-201810 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
kernel//locking/lockdep.c: In function 'lockdep_init':
>> kernel//locking/lockdep.c:4325:2: error: implicit declaration of function 'register_trace_irq_disable'; did you mean 'trace_irq_disable'? [-Werror=implicit-function-declaration]
register_trace_irq_disable(lockdep_hardirqs_off, NULL);
^~~~~~~~~~~~~~~~~~~~~~~~~~
trace_irq_disable
>> kernel//locking/lockdep.c:4326:2: error: implicit declaration of function 'register_trace_irq_enable'; did you mean 'register_trace_lock_release'? [-Werror=implicit-function-declaration]
register_trace_irq_enable(lockdep_hardirqs_on, NULL);
^~~~~~~~~~~~~~~~~~~~~~~~~
register_trace_lock_release
cc1: some warnings being treated as errors
vim +4325 kernel//locking/lockdep.c
4321
4322 void __init lockdep_init(void)
4323 {
4324 #ifdef CONFIG_PROVE_LOCKING
> 4325 register_trace_irq_disable(lockdep_hardirqs_off, NULL);
> 4326 register_trace_irq_enable(lockdep_hardirqs_on, NULL);
4327 #endif
4328 printk("Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar\n");
4329
4330 printk("... MAX_LOCKDEP_SUBCLASSES: %lu\n", MAX_LOCKDEP_SUBCLASSES);
4331 printk("... MAX_LOCK_DEPTH: %lu\n", MAX_LOCK_DEPTH);
4332 printk("... MAX_LOCKDEP_KEYS: %lu\n", MAX_LOCKDEP_KEYS);
4333 printk("... CLASSHASH_SIZE: %lu\n", CLASSHASH_SIZE);
4334 printk("... MAX_LOCKDEP_ENTRIES: %lu\n", MAX_LOCKDEP_ENTRIES);
4335 printk("... MAX_LOCKDEP_CHAINS: %lu\n", MAX_LOCKDEP_CHAINS);
4336 printk("... CHAINHASH_SIZE: %lu\n", CHAINHASH_SIZE);
4337
4338 printk(" memory used by lock dependency info: %lu kB\n",
4339 (sizeof(struct lock_class) * MAX_LOCKDEP_KEYS +
4340 sizeof(struct list_head) * CLASSHASH_SIZE +
4341 sizeof(struct lock_list) * MAX_LOCKDEP_ENTRIES +
4342 sizeof(struct lock_chain) * MAX_LOCKDEP_CHAINS +
4343 sizeof(struct list_head) * CHAINHASH_SIZE
4344 #ifdef CONFIG_PROVE_LOCKING
4345 + sizeof(struct circular_queue)
4346 #endif
4347 ) / 1024
4348 );
4349
4350 printk(" per task-struct memory footprint: %lu bytes\n",
4351 sizeof(struct held_lock) * MAX_LOCK_DEPTH);
4352 }
4353
---
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:[~2018-03-15 19:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-13 21:43 [PATCH v1 0/2] Improve preemptirq tracepoint usage Joel Fernandes
2018-03-13 21:43 ` [PATCH v1 1/2] tracing: Improve design of preemptirq tracepoints and its users Joel Fernandes
2018-03-15 19:51 ` kbuild test robot [this message]
2018-03-15 20:19 ` Joel Fernandes
2018-03-16 3:13 ` kbuild test robot
2018-03-16 3:28 ` Joel Fernandes
2018-03-16 8:22 ` [tracing] b648360016: WARNING:at_kernel/locking/lockdep.c:#check_flags kernel test robot
2018-03-13 21:43 ` [PATCH v1 2/2] tracepoint: Prevent false-positive lockdep warnings Joel Fernandes
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