From: Thomas Gleixner <tglx@linutronix.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: kbuild test robot <fengguang.wu@intel.com>,
"kbuild-all@01.org" <kbuild-all@01.org>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: kernel/irq/irqdesc.c:206:2: error: array index in initializer exceeds array bounds
Date: Sun, 28 Feb 2016 11:33:32 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.11.1602281132020.3638@nanos> (raw)
In-Reply-To: <CAMuHMdUSQ9Y1=1D_LTKdt8rzMVveLQ50P7QQhjh+=hVZsD=CLA@mail.gmail.com>
On Sun, 28 Feb 2016, Geert Uytterhoeven wrote:
> On Sun, Feb 28, 2016 at 10:32 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> > On Sun, 28 Feb 2016, kbuild test robot wrote:
> >> 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
>
> No idea where this "alldefconfig" is coming from (it contains "2.6.36-rc5").
> Is this an MMU=y allnoconfig?
# make alldefconfig
That's one of the targets for 68k. And yes, it has MMU=y
> It doesn't enable any platforms, which is not supported, and thus it isn't
> known how many interrupts are needed.
>
> BTW, I have a local fix to change NR_IRQS to 1 in that case, but that's
> far from sufficient to build an MMU=y allnoconfig kernel.
Yeah. NR_IRQS=1 is lame.
Thanks,
tglx
next prev parent reply other threads:[~2016-02-28 10:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-27 23:59 kbuild test robot
2016-02-28 9:32 ` Thomas Gleixner
2016-02-28 9:52 ` Geert Uytterhoeven
2016-02-28 10:33 ` Thomas Gleixner [this message]
2016-02-28 10:41 ` Geert Uytterhoeven
2016-03-08 8:38 kbuild test robot
2016-03-08 8:44 ` Geert Uytterhoeven
2016-03-08 9:21 ` Ingo Molnar
2016-03-08 10:09 ` Geert Uytterhoeven
2016-03-08 9:08 ` Thomas Gleixner
2016-03-13 20:29 kbuild test robot
2016-03-14 7:53 ` Thomas Gleixner
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