Re: [PATCH v1 2/2] genirq: support multiple IRQ notifier.

From: kbuild test robot
Date: Fri Mar 25 2016 - 14:59:40 EST


Hi Weongyo,

[auto build test ERROR on tip/irq/core]
[also build test ERROR on v4.5 next-20160324]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Weongyo-Jeong/genirq-support-multiple-IRQ-notifier/20160325-235708
config: arm64-allnoconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm64

All errors (new ones prefixed by >>):

kernel/irq/manage.c: In function 'free_irq':
>> kernel/irq/manage.c:1581:3: error: implicit declaration of function '__WARN' [-Werror=implicit-function-declaration]
__WARN();
^
cc1: some warnings being treated as errors

vim +/__WARN +1581 kernel/irq/manage.c

1575
1576 #ifdef CONFIG_SMP
1577 list_for_each_entry_safe(notify, notifytmp, &desc->affinity_notify_list,
1578 list) {
1579 if (notify->irq != irq)
1580 continue;
> 1581 __WARN();
1582 list_del(&notify->list);
1583 }
1584 #endif

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