linux-kernel - drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c:645:5: warning: stack frame size of 3248 bytes in function 'amdgpu_ucode_init

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Message-ID: <202104291645.qSjBwdVH-lkp@intel.com>
Date:   Thu, 29 Apr 2021 16:11:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c:645:5: warning: stack
 frame size of 3248 bytes in function 'amdgpu_ucode_init_bo'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d72cd4ad4174cfd2257c426ad51e4f53bcfde9c9
commit: 97e4910232fa1f81e806aa60c25a0450276d99a2 linux/compiler-clang.h: define HAVE_BUILTIN_BSWAP*
date:   7 weeks ago
config: powerpc64-randconfig-r001-20210428 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 87fc97169e7901dfe56ca0da0d92da0c02d2ef48)
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
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97e4910232fa1f81e806aa60c25a0450276d99a2
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 97e4910232fa1f81e806aa60c25a0450276d99a2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc64 

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/amd/amdgpu/amdgpu_ucode.c:645:5: warning: stack frame size of 3248 bytes in function 'amdgpu_ucode_init_bo' [-Wframe-larger-than=]
   int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
       ^
   1 warning generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for LEDS_TRIGGER_DISK
   Depends on NEW_LEDS && LEDS_TRIGGERS && (IDE_GD_ATA || ATA
   Selected by
   - ADB_PMU_LED_DISK && MACINTOSH_DRIVERS && ADB_PMU_LED && LEDS_CLASS


vim +/amdgpu_ucode_init_bo +645 drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

c8963ea4ce1783 Rex Zhu 2018-10-09  644  
c8963ea4ce1783 Rex Zhu 2018-10-09 @645  int amdgpu_ucode_init_bo(struct amdgpu_device *adev)

:::::: The code at line 645 was first introduced by commit
:::::: c8963ea4ce1783034e1f9cf0d702fa490eb77836 drm/amdgpu: Split amdgpu_ucode_init/fini_bo into two functions

:::::: TO: Rex Zhu <Rex.Zhu@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>

---
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" (29864 bytes)