linux-kernel - drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:1265:6: warning: stack frame size (1040) exceeds limit (1024) in '_iwl_dbg_tlv_time

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Message-ID: <202201162344.1eLplIwD-lkp@intel.com>
Date:   Sun, 16 Jan 2022 23:58:12 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mukesh Sisodiya <mukesh.sisodiya@...el.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Luca Coelho <luciano.coelho@...el.com>
Subject: drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:1265:6: warning:
 stack frame size (1040) exceeds limit (1024) in '_iwl_dbg_tlv_time_point'

Hi Mukesh,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4d66020dcef83314092f2c8c89152a8d122627e2
commit: 020cde4750c5b20be309e028dec9950520384c1e iwlwifi: yoyo: support for DBGC4 for dram
date:   6 weeks ago
config: mips-randconfig-r032-20220116 (https://download.01.org/0day-ci/archive/20220116/202201162344.1eLplIwD-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 650fc40b6d8d9a5869b4fca525d5f237b0ee2803)
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=020cde4750c5b20be309e028dec9950520384c1e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 020cde4750c5b20be309e028dec9950520384c1e
        # 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/net/wireless/intel/iwlwifi/

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/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:1265:6: warning: stack frame size (1040) exceeds limit (1024) in '_iwl_dbg_tlv_time_point' [-Wframe-larger-than]
   void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt,
        ^
   1 warning generated.


vim +/_iwl_dbg_tlv_time_point +1265 drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c

14124b25780db5 Shahar S Matityahu 2019-07-23  1264  
b8221b0f750a05 Johannes Berg      2021-08-02 @1265  void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt,

:::::: The code at line 1265 was first introduced by commit
:::::: b8221b0f750a05a7ae9cbca84932e2a36a3ee658 iwlwifi: prepare for synchronous error dumps

:::::: TO: Johannes Berg <johannes.berg@...el.com>
:::::: CC: Luca Coelho <luciano.coelho@...el.com>

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