linux-kernel - [linux-next:master 14157/14231] kernel/resource.c:505:5: sparse: sparse: symbol '__region_intersects' was not declared. Should it be static?

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Date:   Thu, 22 Apr 2021 08:18:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alistair Popple <apopple@...dia.com>
Cc:     kbuild-all@...ts.01.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        linux-kernel@...r.kernel.org
Subject: [linux-next:master 14157/14231] kernel/resource.c:505:5: sparse:
 sparse: symbol '__region_intersects' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b74523885a715463203d4ccc3cf8c85952d3701a
commit: edede6a2ecfe8553e8232eb863a7a13ef40da3a2 [14157/14231] kernel/resource: allow region_intersects users to hold resource_lock
config: i386-randconfig-s002-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=edede6a2ecfe8553e8232eb863a7a13ef40da3a2
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout edede6a2ecfe8553e8232eb863a7a13ef40da3a2
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=i386 

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


sparse warnings: (new ones prefixed by >>)
>> kernel/resource.c:505:5: sparse: sparse: symbol '__region_intersects' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (36153 bytes)