Hi Mario, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: abaf6f60176f1ae9d946d63e4db63164600b7b1a commit: f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 [7714/11865] platform/x86: Move all dell drivers to their own subdirectory config: x86_64-randconfig-r014-20210220 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 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 f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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/platform/x86/dell/dell-smbios-smm.c:27:35: warning: unused variable 'dell_device_table' [-Wunused-const-variable] static const struct dmi_system_id dell_device_table[] __initconst = { ^ 1 warning generated. vim +/dell_device_table +27 drivers/platform/x86/dell/dell-smbios-smm.c 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 26 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 @27 static const struct dmi_system_id dell_device_table[] __initconst = { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 28 { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 29 .ident = "Dell laptop", 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 30 .matches = { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 31 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 32 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 33 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 34 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 35 { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 36 .matches = { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 37 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 38 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /*Laptop*/ 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 39 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 40 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 41 { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 42 .matches = { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 43 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 44 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /*Notebook*/ 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 45 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 46 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 47 { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 48 .ident = "Dell Computer Corporation", 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 49 .matches = { 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 50 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 51 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 52 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 53 }, 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 54 { } 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 55 }; 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 56 MODULE_DEVICE_TABLE(dmi, dell_device_table); 549b4930f05765 drivers/platform/x86/dell-smbios-smm.c Mario Limonciello 2017-11-01 57 :::::: The code at line 27 was first introduced by commit :::::: 549b4930f057658dc50d8010e66219233119a4d8 platform/x86: dell-smbios: Introduce dispatcher for SMM calls :::::: TO: Mario Limonciello <mario.limonciello@xxxxxxxx> :::::: CC: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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