From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41FAF408FD; Fri, 9 Jun 2023 19:26:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686338805; x=1717874805; h=date:from:to:cc:subject:message-id:mime-version; bh=T3G1dKhXZoZ0L+fduIGltxF4o4BVMOKjo0mz8e9pY0A=; b=ffqYC2a5h78TGn5JL7JwnXKuZszlx5MK5MbSjeTFTEigJnQ2+bNZgZsu O91a78+VcnIYhALR1WzYGsG+lVdFE2AE6xFm0IZLABwshEljHpFt002K3 ZMtba6cSeNKBGlfaddno4Yz+ArAbg74u5lwuPQc8pF5ilSCIeSzprqi/g KS1uK+qht0iGQk9Hg95y5eTovOp78IJ/2plCwSYC5P1hcsFoS8SZRxmS4 nuJSTxgWGEVUo4bcNjQqJ81QQXMkLjD8UKzAcp98nSw4FNFSTFxthyHmp /hkUJgMbECGzFh5vt/xjtCZiqqJ12/vG7gsckNLx7yOn3JzB16RzxXixe w==; X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="355161996" X-IronPort-AV: E=Sophos;i="6.00,230,1681196400"; d="scan'208";a="355161996" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2023 12:26:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="800318730" X-IronPort-AV: E=Sophos;i="6.00,230,1681196400"; d="scan'208";a="800318730" Received: from lkp-server01.sh.intel.com (HELO 15ab08e44a81) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 09 Jun 2023 12:26:42 -0700 Received: from kbuild by 15ab08e44a81 with local (Exim 4.96) (envelope-from ) id 1q7hkv-0009KW-0t; Fri, 09 Jun 2023 19:26:41 +0000 Date: Sat, 10 Jun 2023 03:26:35 +0800 From: kernel test robot To: Manivannan Sadhasivam Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Greg Kroah-Hartman , Hemant Kumar , Alex Elder , Sasha Levin Subject: [stable:linux-5.15.y 9400/9999] drivers/bus/mhi/host/pm.c:733:6: warning: stack frame size (2768) exceeds limit (2048) in 'mhi_pm_st_worker' Message-ID: <202306100303.KZViMwBJ-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Manivannan, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.15.y head: 7349e40704a0209a2af8b37fa876322209de9684 commit: 9fbf10148f31a63b6d8c2b0e56cb97eb173d600b [9400/9999] bus: mhi: Move host MHI code to "host" directory config: riscv-randconfig-r001-20230609 (https://download.01.org/0day-ci/archive/20230610/202306100303.KZViMwBJ-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=9fbf10148f31a63b6d8c2b0e56cb97eb173d600b git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git git fetch --no-tags stable linux-5.15.y git checkout 9fbf10148f31a63b6d8c2b0e56cb97eb173d600b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/bus/mhi/host/ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306100303.KZViMwBJ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/bus/mhi/host/pm.c:733:6: warning: stack frame size (2768) exceeds limit (2048) in 'mhi_pm_st_worker' [-Wframe-larger-than] void mhi_pm_st_worker(struct work_struct *work) ^ 1 warning generated. vim +/mhi_pm_st_worker +733 drivers/bus/mhi/host/pm.c a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 731 a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 732 /* Device State Transition worker */ a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 @733 void mhi_pm_st_worker(struct work_struct *work) a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 734 { a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 735 struct state_transition *itr, *tmp; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 736 LIST_HEAD(head); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 737 struct mhi_controller *mhi_cntrl = container_of(work, a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 738 struct mhi_controller, a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 739 st_worker); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 740 struct device *dev = &mhi_cntrl->mhi_dev->dev; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 741 a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 742 spin_lock_irq(&mhi_cntrl->transition_lock); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 743 list_splice_tail_init(&mhi_cntrl->transition_list, &head); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 744 spin_unlock_irq(&mhi_cntrl->transition_lock); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 745 a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 746 list_for_each_entry_safe(itr, tmp, &head, node) { a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 747 list_del(&itr->node); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 748 dev_dbg(dev, "Handling state transition: %s\n", a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 749 TO_DEV_STATE_TRANS_STR(itr->state)); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 750 a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 751 switch (itr->state) { a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 752 case DEV_ST_TRANSITION_PBL: a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 753 write_lock_irq(&mhi_cntrl->pm_lock); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 754 if (MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 755 mhi_cntrl->ee = mhi_get_exec_env(mhi_cntrl); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 756 write_unlock_irq(&mhi_cntrl->pm_lock); 560e3a045961ed drivers/bus/mhi/core/pm.c Bhaumik Bhatt 2020-05-21 757 mhi_fw_load_handler(mhi_cntrl); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 758 break; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 759 case DEV_ST_TRANSITION_SBL: a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 760 write_lock_irq(&mhi_cntrl->pm_lock); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 761 mhi_cntrl->ee = MHI_EE_SBL; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 762 write_unlock_irq(&mhi_cntrl->pm_lock); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 763 /* a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 764 * The MHI devices are only created when the client a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 765 * device switches its Execution Environment (EE) to a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 766 * either SBL or AMSS states a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 767 */ a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 768 mhi_create_devices(mhi_cntrl); 4884362f6977fc drivers/bus/mhi/core/pm.c Bhaumik Bhatt 2021-02-24 769 if (mhi_cntrl->fbc_download) 4884362f6977fc drivers/bus/mhi/core/pm.c Bhaumik Bhatt 2021-02-24 770 mhi_download_amss_image(mhi_cntrl); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 771 break; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 772 case DEV_ST_TRANSITION_MISSION_MODE: a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 773 mhi_pm_mission_mode_transition(mhi_cntrl); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 774 break; 66ac7985b2af31 drivers/bus/mhi/core/pm.c Carl Yin 2021-03-29 775 case DEV_ST_TRANSITION_FP: 66ac7985b2af31 drivers/bus/mhi/core/pm.c Carl Yin 2021-03-29 776 write_lock_irq(&mhi_cntrl->pm_lock); 66ac7985b2af31 drivers/bus/mhi/core/pm.c Carl Yin 2021-03-29 777 mhi_cntrl->ee = MHI_EE_FP; 66ac7985b2af31 drivers/bus/mhi/core/pm.c Carl Yin 2021-03-29 778 write_unlock_irq(&mhi_cntrl->pm_lock); 66ac7985b2af31 drivers/bus/mhi/core/pm.c Carl Yin 2021-03-29 779 mhi_create_devices(mhi_cntrl); 66ac7985b2af31 drivers/bus/mhi/core/pm.c Carl Yin 2021-03-29 780 break; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 781 case DEV_ST_TRANSITION_READY: a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 782 mhi_ready_state_transition(mhi_cntrl); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 783 break; bc7ccce5a5192c drivers/bus/mhi/core/pm.c Hemant Kumar 2020-05-21 784 case DEV_ST_TRANSITION_SYS_ERR: 556bbb442bbb44 drivers/bus/mhi/core/pm.c Bhaumik Bhatt 2020-11-09 785 mhi_pm_sys_error_transition(mhi_cntrl); bc7ccce5a5192c drivers/bus/mhi/core/pm.c Hemant Kumar 2020-05-21 786 break; 3c1bd0047124f5 drivers/bus/mhi/core/pm.c Hemant Kumar 2020-05-21 787 case DEV_ST_TRANSITION_DISABLE: a03c7a86e12721 drivers/bus/mhi/core/pm.c Bhaumik Bhatt 2020-11-09 788 mhi_pm_disable_transition(mhi_cntrl); 3c1bd0047124f5 drivers/bus/mhi/core/pm.c Hemant Kumar 2020-05-21 789 break; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 790 default: a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 791 break; a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 792 } a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 793 kfree(itr); a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 794 } a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 795 } a6e2e3522f2914 drivers/bus/mhi/core/pm.c Manivannan Sadhasivam 2020-02-20 796 :::::: The code at line 733 was first introduced by commit :::::: a6e2e3522f29141b95c1ef8580c665a3582b3e66 bus: mhi: core: Add support for PM state transitions :::::: TO: Manivannan Sadhasivam :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki