linux-kernel - [rppt:pks/v0.0 15/27] arch/x86/mm/pgtable.c:17:34: error: 'gpc

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Date:   Sat, 6 Nov 2021 00:05:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Rick Edgecombe <rick.p.edgecombe@...el.com>
Cc:     kbuild-all@...ts.01.org, Mike Rapoport <rppt@...nel.org>,
        linux-kernel@...r.kernel.org, Mike Rapoport <rppt@...ux.ibm.com>
Subject: [rppt:pks/v0.0 15/27] arch/x86/mm/pgtable.c:17:34: error: 'gpc_pks'
 defined but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git pks/v0.0
head:   eed09ce6622d550ab5b10a86e7dd6c2ff6bd59d9
commit: 42999ce092b58fa8310c49a262c00700e947ac40 [15/27] x86, mm: Use cache of page tables
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/commit/?id=42999ce092b58fa8310c49a262c00700e947ac40
        git remote add rppt https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git
        git fetch --no-tags rppt pks/v0.0
        git checkout 42999ce092b58fa8310c49a262c00700e947ac40
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

>> arch/x86/mm/pgtable.c:17:34: error: 'gpc_pks' defined but not used [-Werror=unused-variable]
      17 | static struct grouped_page_cache gpc_pks;
         |                                  ^~~~~~~
   cc1: all warnings being treated as errors


vim +/gpc_pks +17 arch/x86/mm/pgtable.c

    16	
  > 17	static struct grouped_page_cache gpc_pks;
    18	static bool pks_page_en;
    19	#ifdef CONFIG_HIGHPTE
    20	#define PGTABLE_HIGHMEM __GFP_HIGHMEM
    21	#else
    22	#define PGTABLE_HIGHMEM 0
    23	#endif
    24	

---
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" (66033 bytes)