linux-kernel - Re: mn10300, c6x: CONFIG_GENERIC_BUG must depend on CONFIG

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Message-Id: <20160229223807.7d4723a0.akpm@linux-foundation.org>
Date:	Mon, 29 Feb 2016 22:38:07 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	kbuild test robot <lkp@...el.com>
Cc:	kbuild-all@...org, kbuild test robot <fengguang.wu@...el.com>,
	Josh Triplett <josh@...htriplett.org>,
	linux-kernel@...r.kernel.org,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: mn10300, c6x: CONFIG_GENERIC_BUG must depend on CONFIG_BUG

On Tue, 1 Mar 2016 14:18:56 +0800 kbuild test robot <lkp@...el.com> wrote:

> [auto build test ERROR on v4.5-rc6]
> [also build test ERROR on next-20160229]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Andrew-Morton/mn10300-c6x-CONFIG_GENERIC_BUG-must-depend-on-CONFIG_BUG/20160301-045134
> config: mn10300-allnoconfig (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
>         # save the attached .config to linux build tree
>         make.cross ARCH=mn10300 
> 
> All errors (new ones prefixed by >>):
> 
> >> arch/mn10300/kernel/fpu-nofpu.c:27:36: error: unknown type name 'elf_fpregset_t'
>     int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpreg)

hm, that error isn't well correlated with that patch!

This, I suppose.  I don't have an mn10300 cross-compiler.



From: Andrew Morton <akpm@...ux-foundation.org>
Subject: arch/mn10300/kernel/fpu-nofpu.c: needs asm/elf.h

 arch/mn10300/kernel/fpu-nofpu.c:27:36: error: unknown type name 'elf_fpregset_t'
    int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpreg)

Reported-by: kbuild test robot <lkp@...el.com>
Cc: Josh Triplett <josh@...htriplett.org>
Cc: David Howells <dhowells@...hat.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 arch/mn10300/kernel/fpu-nofpu.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN arch/mn10300/kernel/fpu-nofpu.c~a arch/mn10300/kernel/fpu-nofpu.c
--- a/arch/mn10300/kernel/fpu-nofpu.c~a
+++ a/arch/mn10300/kernel/fpu-nofpu.c
@@ -9,6 +9,7 @@
  * 2 of the Licence, or (at your option) any later version.
  */
 #include <asm/fpu.h>
+#include <asm/elf.h>
 
 /*
  * handle an FPU operational exception
_