linux-kernel - [deller-parisc:for-next-v5.15 16/16] drivers/gpu/drm/etnaviv/etnaviv_iommu.c:16: warning: "PT

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Date:   Mon, 11 Oct 2021 01:23:34 +0800
From:   kernel test robot <lkp@...el.com>
To:     Helge Deller <deller@....de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [deller-parisc:for-next-v5.15 16/16]
 drivers/gpu/drm/etnaviv/etnaviv_iommu.c:16: warning: "PT_SIZE" redefined

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git for-next-v5.15
head:   0380fbf0ad2f3564930f16a4407119419e68be81
commit: 0380fbf0ad2f3564930f16a4407119419e68be81 [16/16] parisc: Move thread info into task struct
config: parisc-randconfig-r012-20211010 (attached as .config)
compiler: hppa-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/commit/?id=0380fbf0ad2f3564930f16a4407119419e68be81
        git remote add deller-parisc https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
        git fetch --no-tags deller-parisc for-next-v5.15
        git checkout 0380fbf0ad2f3564930f16a4407119419e68be81
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc SHELL=/bin/bash drivers/gpu/drm/etnaviv/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/etnaviv/etnaviv_iommu.c:16: warning: "PT_SIZE" redefined
      16 | #define PT_SIZE         SZ_2M
         | 
   In file included from arch/parisc/include/asm/asm-offsets.h:1,
                    from arch/parisc/include/asm/smp.h:51,
                    from include/linux/smp.h:114,
                    from include/linux/lockdep.h:14,
                    from include/linux/rcupdate.h:29,
                    from include/linux/rculist.h:11,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from include/linux/dma-mapping.h:7,
                    from drivers/gpu/drm/etnaviv/etnaviv_iommu.c:7:
   ./include/generated/asm-offsets.h:191: note: this is the location of the previous definition
     191 | #define PT_SIZE 472 /* sizeof(struct pt_regs) */
         | 


vim +/PT_SIZE +16 drivers/gpu/drm/etnaviv/etnaviv_iommu.c

a8c21a5451d831 The etnaviv authors 2015-12-03  15  
a8c21a5451d831 The etnaviv authors 2015-12-03 @16  #define PT_SIZE		SZ_2M
a8c21a5451d831 The etnaviv authors 2015-12-03  17  #define PT_ENTRIES	(PT_SIZE / sizeof(u32))
a8c21a5451d831 The etnaviv authors 2015-12-03  18  

:::::: The code at line 16 was first introduced by commit
:::::: a8c21a5451d831e67b7a6fb910f9ca8bc7b43554 drm/etnaviv: add initial etnaviv DRM driver

:::::: TO: The etnaviv authors <dri-devel@...ts.freedesktop.org>
:::::: CC: Lucas Stach <l.stach@...gutronix.de>

---
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" (37173 bytes)