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'

From: kernel test robot
Date: Thu Dec 02 2021 - 01:42:16 EST


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@xxxxxxxxx/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@xxxxxxxxx>

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@xxxxxxxxxxxx