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Date: Sun, 28 Feb 2016 10:32:32 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: kbuild test robot <fengguang.wu@intel.com>
cc: kbuild-all@01.org, LKML <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: kernel/irq/irqdesc.c:206:2: error: array index in initializer
 exceeds array bounds
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On Sun, 28 Feb 2016, kbuild test robot wrote:
> Hi Thomas,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   691429e13dfaf5b0994b07cc166db41bd608ee3d
> commit: 3795de236d67a05994a1a12759db9d4dd9ffc42c genirq: Distangle kernel/irq/handle.c
> date:   5 years ago
> config: m68k-alldefconfig (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
>         git checkout 3795de236d67a05994a1a12759db9d4dd9ffc42c
>         # save the attached .config to linux build tree
>         make.cross ARCH=m68k 

Again. This commit is just moving code into seperate files without changing
the code. So it's not a new wreckage.
 
> All errors (new ones prefixed by >>):
> 
>    In file included from include/linux/irqnr.h:10:0,
>                     from include/linux/irq.h:22,
>                     from kernel/irq/irqdesc.c:10:
>    arch/m68k/include/asm/irq.h:25:17: error: expected identifier or '(' before numeric constant
>     #define NR_IRQS 0
>                     ^

NR_IRQS = 0 and CONFIG_SPARSE_IRQ=n is bogus. That alldefconfig of m68k is
broken. Cc'ed m68 folks

Thanks,

	tglx