linux-kernel - drivers/staging/media/hantro/hantro_g2_hevc_dec.c:536:5: warning: stack frame size (1264) exceeds limit (1024) in 'hantro_g2_hevc_dec

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Date:   Thu, 2 Dec 2021 14:41:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org,
        Adrian Ratiu <adrian.ratiu@...labora.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Hans Verkuil <hverkuil@...all.nl>
Subject: drivers/staging/media/hantro/hantro_g2_hevc_dec.c:536:5: warning:
 stack frame size (1264) exceeds limit (1024) in 'hantro_g2_hevc_dec_run'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   58e1100fdc5990b0cc0d4beaf2562a92e621ac7d
commit: cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c media: hantro: Introduce G2/HEVC decoder
date:   6 months ago
config: mips-randconfig-r022-20211202 (https://download.01.org/0day-ci/archive/20211202/202112021403.foBPTSMx-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b553297ef3ee4dc2119d5429adf3072e90fac38)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/staging/media/hantro/

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/staging/media/hantro/hantro_g2_hevc_dec.c:536:5: warning: stack frame size (1264) exceeds limit (1024) in 'hantro_g2_hevc_dec_run' [-Wframe-larger-than]
   int hantro_g2_hevc_dec_run(struct hantro_ctx *ctx)
       ^
   1 warning generated.


vim +/hantro_g2_hevc_dec_run +536 drivers/staging/media/hantro/hantro_g2_hevc_dec.c

   535	
 > 536	int hantro_g2_hevc_dec_run(struct hantro_ctx *ctx)

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