Re: kernel/irq/irqdesc.c:206:2: error: array index in initializer exceeds array bounds

From: Geert Uytterhoeven
Date: Tue Mar 08 2016 - 03:45:08 EST


On Tue, Mar 8, 2016 at 9:38 AM, kbuild test robot
<fengguang.wu@xxxxxxxxx> wrote:
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: e2857b8f11a289ed2b61d18d0665e05c1053c446
> 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
>
> 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
> ^
> include/linux/irqnr.h:15:19: note: in expansion of macro 'NR_IRQS'
> #define nr_irqs NR_IRQS
> ^
> kernel/irq/irqdesc.c:36:5: note: in expansion of macro 'nr_irqs'
> int nr_irqs = NR_IRQS;
> ^
>>> kernel/irq/irqdesc.c:206:2: error: array index in initializer exceeds array bounds
> [0 ... NR_IRQS-1] = {
> ^

Same comment as before: thou shall not compile kernels for m68k without
selecting any platform support.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds