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SubjectRe: [PATCH] x86/irq: Add additional unhandled IRQ debug information
Hi Prarit,

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.9-rc8 next-20161206]
[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/Prarit-Bhargava/x86-irq-Add-additional-unhandled-IRQ-debug-information/20161207-022400
config: i386-tinyconfig (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=i386

All error/warnings (new ones prefixed by >>):

In file included from arch/x86/kernel/irq.c:16:0:
>> arch/x86/include/asm/io_apic.h:207:15: warning: return type defaults to 'int' [-Wreturn-type]
static inline print_IRQ_to_pin_mapping(unsigned int irq) {}
^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kobject.h:29:0,
from include/linux/device.h:17,
from include/linux/node.h:17,
from include/linux/cpu.h:16,
from arch/x86/kernel/irq.c:4:
arch/x86/kernel/irq.c: In function 'arch_irq_debug':
>> arch/x86/kernel/irq.c:584:13: error: 'x86_unhandled_irq_work' undeclared (first use in this function)
INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
^
include/linux/workqueue.h:216:16: note: in definition of macro '__INIT_WORK'
__init_work((_work), _onstack); \
^~~~~
arch/x86/kernel/irq.c:584:2: note: in expansion of macro 'INIT_WORK'
INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
^~~~~~~~~
arch/x86/kernel/irq.c:584:13: note: each undeclared identifier is reported only once for each function it appears in
INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
^
include/linux/workqueue.h:216:16: note: in definition of macro '__INIT_WORK'
__init_work((_work), _onstack); \
^~~~~
arch/x86/kernel/irq.c:584:2: note: in expansion of macro 'INIT_WORK'
INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
^~~~~~~~~
>> arch/x86/kernel/irq.c:584:37: error: 'x86_unhandled_irq_work_fn' undeclared (first use in this function)
INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
^
include/linux/workqueue.h:219:20: note: in definition of macro '__INIT_WORK'
(_work)->func = (_func); \
^~~~~
arch/x86/kernel/irq.c:584:2: note: in expansion of macro 'INIT_WORK'
INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
^~~~~~~~~
arch/x86/kernel/irq.c:579:6: warning: unused variable 'reg' [-Wunused-variable]
u32 reg;
^~~
arch/x86/kernel/irq.c:578:11: warning: unused variable 'bit' [-Wunused-variable]
int irr, bit;
^~~
arch/x86/kernel/irq.c:578:6: warning: unused variable 'irr' [-Wunused-variable]
int irr, bit;
^~~
--
In file included from arch/x86/kernel/setup.c:85:0:
>> arch/x86/include/asm/io_apic.h:207:15: warning: return type defaults to 'int' [-Wreturn-type]
static inline print_IRQ_to_pin_mapping(unsigned int irq) {}
^~~~~~~~~~~~~~~~~~~~~~~~

vim +/x86_unhandled_irq_work +584 arch/x86/kernel/irq.c

578 int irr, bit;
579 u32 reg;
580
581 pr_emerg("Additional x86 information on IRQ #%d ...\n", irq);
582
583 /* PCI information cannot be dumped in interrupt context */
> 584 INIT_WORK(&x86_unhandled_irq_work, x86_unhandled_irq_work_fn);
585 schedule_work_on(smp_processor_id(), &x86_unhandled_irq_work);
586
587 #ifdef CONFIG_X86_IO_APIC

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[unhandled content-type:application/gzip]
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