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SubjectRe: [PATCH 4.4-rc5 v22 4/4] ARM: Allow IPI_CPU_BACKTRACE to exploit FIQ
Hi Daniel,

[auto build test ERROR on v4.4-rc5]
[also build test ERROR on next-20151218]
[cannot apply to tip/irq/core]

config: arm-iop-adma (attached as .config)
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

arch/arm/kernel/traps.c: In function 'handle_fiq_as_nmi':
>> arch/arm/kernel/traps.c:489:2: error: implicit declaration of function 'handle_arch_irq' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

vim +/handle_arch_irq +489 arch/arm/kernel/traps.c

483 * Either the interrupt controller supports FIQ, meaning it will
484 * do the right thing with this call, or we will end up treating a
485 * spurious FIQ (which is normally fatal) as though it were an IRQ
486 * which, although it risks deadlock, still gives us a sporting
487 * chance of surviving long enough to log errors.
488 */
> 489 handle_arch_irq(regs);
491 nmi_exit();

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation
[unhandled content-type:application/octet-stream]
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