linux-kernel - Re: [PATCH 1/2] kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)

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Date:   Tue, 27 Aug 2019 08:29:29 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     kbuild-all@...org, linux-kbuild@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Marc Zyngier <maz@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Russell King <linux@...linux.org.uk>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        kvmarm@...ts.cs.columbia.edu, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH 1/2] kbuild: change *FLAGS_<basetarget>.o to take the
 path relative to $(obj)

Hi Masahiro,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc6 next-20190826]
[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/Masahiro-Yamada/kbuild-change-FLAGS_-basetarget-o-to-take-the-path-relative-to-obj/20190827-071627
config: i386-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/display/intel_fbdev.c:105:16: warning: initialized field overwritten [-Woverride-init]
     .fb_set_par = intel_fbdev_set_par,
                   ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/display/intel_fbdev.c:105:16: note: (near initialization for 'intelfb_ops.fb_set_par')
   drivers/gpu/drm/i915/display/intel_fbdev.c:109:20: warning: initialized field overwritten [-Woverride-init]
     .fb_pan_display = intel_fbdev_pan_display,
                       ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/display/intel_fbdev.c:109:20: note: (near initialization for 'intelfb_ops.fb_pan_display')
   drivers/gpu/drm/i915/display/intel_fbdev.c:110:14: warning: initialized field overwritten [-Woverride-init]
     .fb_blank = intel_fbdev_blank,
                 ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/i915/display/intel_fbdev.c:110:14: note: (near initialization for 'intelfb_ops.fb_blank')

vim +105 drivers/gpu/drm/i915/display/intel_fbdev.c

d9a946b52350bb drivers/gpu/drm/i915/intel_fbdev.c Rodrigo Vivi  2015-05-28  101  
79e539453b34e3 drivers/gpu/drm/i915/intel_fb.c    Jesse Barnes  2008-11-07  102  static struct fb_ops intelfb_ops = {
79e539453b34e3 drivers/gpu/drm/i915/intel_fb.c    Jesse Barnes  2008-11-07  103  	.owner = THIS_MODULE,
a36384dd941b48 drivers/gpu/drm/i915/intel_fbdev.c Stefan Christ 2016-11-14  104  	DRM_FB_HELPER_DEFAULT_OPS,
e991077ec67e08 drivers/gpu/drm/i915/intel_fbdev.c Daniel Vetter 2014-06-18 @105  	.fb_set_par = intel_fbdev_set_par,
21cff14847421f drivers/gpu/drm/i915/intel_fbdev.c Archit Taneja 2015-07-31  106  	.fb_fillrect = drm_fb_helper_cfb_fillrect,
21cff14847421f drivers/gpu/drm/i915/intel_fbdev.c Archit Taneja 2015-07-31  107  	.fb_copyarea = drm_fb_helper_cfb_copyarea,
21cff14847421f drivers/gpu/drm/i915/intel_fbdev.c Archit Taneja 2015-07-31  108  	.fb_imageblit = drm_fb_helper_cfb_imageblit,
d9a946b52350bb drivers/gpu/drm/i915/intel_fbdev.c Rodrigo Vivi  2015-05-28  109  	.fb_pan_display = intel_fbdev_pan_display,
03e515f7f8949c drivers/gpu/drm/i915/intel_fbdev.c Rodrigo Vivi  2015-03-09  110  	.fb_blank = intel_fbdev_blank,
785b93ef8c3097 drivers/gpu/drm/i915/intel_fb.c    Dave Airlie   2009-08-28  111  };
785b93ef8c3097 drivers/gpu/drm/i915/intel_fb.c    Dave Airlie   2009-08-28  112  

:::::: The code at line 105 was first introduced by commit
:::::: e991077ec67e08bd345fcee4f810e59740359da5 drm/i915: Properly track domain of the fbcon fb

:::::: TO: Daniel Vetter <daniel.vetter@...ll.ch>
:::::: CC: Daniel Vetter <daniel.vetter@...ll.ch>

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