Hi Kees, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 53ab6975c12d1ad86c599a8927e8c698b144d669 commit: df8fc4e934c12b906d08050d7779f292b9c5c6b5 [3357/8413] kbuild: Enable -fstrict-flex-arrays=3 config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230610/202306100035.VTusNhm4-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df8fc4e934c12b906d08050d7779f292b9c5c6b5 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout df8fc4e934c12b906d08050d7779f292b9c5c6b5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/ 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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306100035.VTusNhm4-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/scsi/BusLogic.c:51: >> drivers/scsi/FlashPoint.c:1712:12: warning: stack frame size (1056) exceeds limit (1024) in 'FlashPoint_HandleInterrupt' [-Wframe-larger-than] 1712 | static int FlashPoint_HandleInterrupt(void *pcard) | ^ 1 warning generated. vim +/FlashPoint_HandleInterrupt +1712 drivers/scsi/FlashPoint.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 1702 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1703 /*--------------------------------------------------------------------- ^1da177e4c3f41 Linus Torvalds 2005-04-16 1704 * d8b6b8bd8a99ee Alexey Dobriyan 2006-03-08 1705 * Function: FlashPoint_HandleInterrupt ^1da177e4c3f41 Linus Torvalds 2005-04-16 1706 * ^1da177e4c3f41 Linus Torvalds 2005-04-16 1707 * Description: This is our entry point when an interrupt is generated ^1da177e4c3f41 Linus Torvalds 2005-04-16 1708 * by the card and the upper level driver passes it on to ^1da177e4c3f41 Linus Torvalds 2005-04-16 1709 * us. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1710 * ^1da177e4c3f41 Linus Torvalds 2005-04-16 1711 *---------------------------------------------------------------------*/ 391e2f25601e34 Khalid Aziz 2013-05-16 @1712 static int FlashPoint_HandleInterrupt(void *pcard) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1713 { 69eb2ea4779336 Alexey Dobriyan 2006-03-08 1714 struct sccb *currSCCB; 554b117e8fab4f Colin Ian King 2022-07-30 1715 unsigned char thisCard, result, bm_status; c823feeb33161c Alexey Dobriyan 2006-03-08 1716 unsigned short hp_int; db038cf86fc63d Alexey Dobriyan 2006-03-08 1717 unsigned char i, target; 391e2f25601e34 Khalid Aziz 2013-05-16 1718 struct sccb_card *pCurrCard = pcard; 391e2f25601e34 Khalid Aziz 2013-05-16 1719 u32 ioport; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1720 391e2f25601e34 Khalid Aziz 2013-05-16 1721 thisCard = pCurrCard->cardIndex; 391e2f25601e34 Khalid Aziz 2013-05-16 1722 ioport = pCurrCard->ioPort; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1723 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1724 MDISABLE_INT(ioport); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1725 554b117e8fab4f Colin Ian King 2022-07-30 1726 if (RD_HARPOON(ioport + hp_int_status) & EXT_STATUS_ON) 391e2f25601e34 Khalid Aziz 2013-05-16 1727 bm_status = RD_HARPOON(ioport + hp_ext_status) & 391e2f25601e34 Khalid Aziz 2013-05-16 1728 (unsigned char)BAD_EXT_STATUS; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1729 else ^1da177e4c3f41 Linus Torvalds 2005-04-16 1730 bm_status = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1731 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1732 WR_HARPOON(ioport + hp_int_mask, (INT_CMD_COMPL | SCSI_INTERRUPT)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1733 391e2f25601e34 Khalid Aziz 2013-05-16 1734 while ((hp_int = RDW_HARPOON((ioport + hp_intstat)) & 391e2f25601e34 Khalid Aziz 2013-05-16 1735 FPT_default_intena) | bm_status) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1736 391e2f25601e34 Khalid Aziz 2013-05-16 1737 currSCCB = pCurrCard->currentSCCB; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1738 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1739 if (hp_int & (FIFO | TIMEOUT | RESET | SCAM_SEL) || bm_status) { 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1740 result = 391e2f25601e34 Khalid Aziz 2013-05-16 1741 FPT_SccbMgr_bad_isr(ioport, thisCard, pCurrCard, 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1742 hp_int); 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1743 WRW_HARPOON((ioport + hp_intstat), 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1744 (FIFO | TIMEOUT | RESET | SCAM_SEL)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1745 bm_status = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1746 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1747 if (result) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1748 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1749 MENABLE_INT(ioport); 5c1b85e209af41 Alexey Dobriyan 2006-03-08 1750 return result; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1751 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1752 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1753 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1754 else if (hp_int & ICMD_COMP) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1755 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1756 if (!(hp_int & BUS_FREE)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1757 /* Wait for the BusFree before starting a new command. We ^1da177e4c3f41 Linus Torvalds 2005-04-16 1758 must also check for being reselected since the BusFree ^1da177e4c3f41 Linus Torvalds 2005-04-16 1759 may not show up if another device reselects us in 1.5us or ^1da177e4c3f41 Linus Torvalds 2005-04-16 1760 less. SRR Wednesday, 3/8/1995. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1761 */ 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1762 while (! 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1763 (RDW_HARPOON((ioport + hp_intstat)) & 5c04a7b8981f28 Alexey Dobriyan 2006-03-08 1764 (BUS_FREE | RSEL))) ; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1765 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1766 391e2f25601e34 Khalid Aziz 2013-05-16 1767 if (pCurrCard->globalFlags & F_HOST_XFER_ACT) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1768 47b5d69c4aa753 James Bottomley 2005-04-24 1769 FPT_phaseChkFifo(ioport, thisCard); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1770 :::::: The code at line 1712 was first introduced by commit :::::: 391e2f25601e34a7d7e5dc155e487bc58dffd8c6 [SCSI] BusLogic: Port driver to 64-bit. :::::: TO: Khalid Aziz <khalid.aziz@xxxxxxxxxx> :::::: CC: James Bottomley <JBottomley@xxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
