linux-kernel - Re: [PATCH] fbdev: make get_fb_unmapped

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Date:   Wed, 12 Jul 2017 08:10:41 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Benjamin Gaignard <benjamin.gaignard@...aro.org>
Cc:     kbuild-all@...org, b.zolnierkie@...sung.com,
        daniel.vetter@...ll.ch, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, noralf@...nnes.org,
        dri-devel@...ts.freedesktop.org, emil.l.velikov@...il.com,
        yannick.fertre@...com
Subject: Re: [PATCH] fbdev: make get_fb_unmapped_area depends of !MMU

Hi Benjamin,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12 next-20170711]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Benjamin-Gaignard/fbdev-make-get_fb_unmapped_area-depends-of-MMU/20170711-034314
config: x86_64-rhel (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):


vim +1513 drivers/video/fbdev/core/fbmem.c

  1500	
  1501	static const struct file_operations fb_fops = {
  1502		.owner =	THIS_MODULE,
  1503		.read =		fb_read,
  1504		.write =	fb_write,
  1505		.unlocked_ioctl = fb_ioctl,
  1506	#ifdef CONFIG_COMPAT
  1507		.compat_ioctl = fb_compat_ioctl,
  1508	#endif
  1509		.mmap =		fb_mmap,
  1510		.open =		fb_open,
  1511		.release =	fb_release,
  1512	#if defined(HAVE_ARCH_FB_UNMAPPED_AREA) || \
> 1513		(defined(CONFIG_FB_PROVIDE_GET_FB_UNMAPPED_AREA) && \\
  1514		 !defined(CONFIG_MMU))
  1515		.get_unmapped_area = get_fb_unmapped_area,
  1516	#endif
  1517	#ifdef CONFIG_FB_DEFERRED_IO
  1518		.fsync =	fb_deferred_io_fsync,
  1519	#endif
  1520		.llseek =	default_llseek,
  1521	};
  1522	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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