Hi Arnd, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ac8c6edd20bcb965b22ceb36752499b3d5cf5dd4 commit: 71b9114d2c13a648fbe6523dd859e611c316ad90 ARM: s3c: move into a common directory date: 5 months ago config: arm-randconfig-r004-20210201 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 275c6af7d7f1ed63a03d05b4484413e447133269) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b9114d2c13a648fbe6523dd859e611c316ad90 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 71b9114d2c13a648fbe6523dd859e611c316ad90 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): arch/arm/mach-s3c/irq-s3c24xx.c:360:39: warning: no previous prototype for function 's3c24xx_handle_irq' [-Wmissing-prototypes] asmlinkage void __exception_irq_entry s3c24xx_handle_irq(struct pt_regs *regs) ^ arch/arm/mach-s3c/irq-s3c24xx.c:360:12: note: declare 'static' if the function is not intended to be used outside of this translation unit asmlinkage void __exception_irq_entry s3c24xx_handle_irq(struct pt_regs *regs) ^ static arch/arm/mach-s3c/irq-s3c24xx.c:389:5: warning: no previous prototype for function 's3c24xx_set_fiq' [-Wmissing-prototypes] int s3c24xx_set_fiq(unsigned int irq, u32 *ack_ptr, bool on) ^ arch/arm/mach-s3c/irq-s3c24xx.c:389:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int s3c24xx_set_fiq(unsigned int irq, u32 *ack_ptr, bool on) ^ static arch/arm/mach-s3c/irq-s3c24xx.c:683:13: warning: no previous prototype for function 's3c2410_init_irq' [-Wmissing-prototypes] void __init s3c2410_init_irq(void) ^ arch/arm/mach-s3c/irq-s3c24xx.c:683:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init s3c2410_init_irq(void) ^ static arch/arm/mach-s3c/irq-s3c24xx.c:882:13: warning: no previous prototype for function 's3c2416_init_irq' [-Wmissing-prototypes] void __init s3c2416_init_irq(void) ^ arch/arm/mach-s3c/irq-s3c24xx.c:882:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init s3c2416_init_irq(void) ^ static arch/arm/mach-s3c/irq-s3c24xx.c:961:13: warning: no previous prototype for function 's3c2440_init_irq' [-Wmissing-prototypes] void __init s3c2440_init_irq(void) ^ arch/arm/mach-s3c/irq-s3c24xx.c:961:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init s3c2440_init_irq(void) ^ static >> arch/arm/mach-s3c/irq-s3c24xx.c:1034:13: warning: no previous prototype for >> function 's3c2442_init_irq' [-Wmissing-prototypes] void __init s3c2442_init_irq(void) ^ arch/arm/mach-s3c/irq-s3c24xx.c:1034:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init s3c2442_init_irq(void) ^ static arch/arm/mach-s3c/irq-s3c24xx.c:1308:12: warning: no previous prototype for function 's3c2410_init_intc_of' [-Wmissing-prototypes] int __init s3c2410_init_intc_of(struct device_node *np, ^ arch/arm/mach-s3c/irq-s3c24xx.c:1308:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __init s3c2410_init_intc_of(struct device_node *np, ^ static arch/arm/mach-s3c/irq-s3c24xx.c:1330:12: warning: no previous prototype for function 's3c2416_init_intc_of' [-Wmissing-prototypes] int __init s3c2416_init_intc_of(struct device_node *np, ^ arch/arm/mach-s3c/irq-s3c24xx.c:1330:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __init s3c2416_init_intc_of(struct device_node *np, ^ static 8 warnings generated. vim +/s3c2442_init_irq +1034 arch/arm/mach-s3c/irq-s3c24xx.c 6f8d7ea275eb2a arch/arm/mach-s3c24xx/irq.c Heiko Stuebner 2013-02-12 1033 70644ade48ae88 arch/arm/mach-s3c24xx/irq.c Heiko Stuebner 2013-02-12 @1034 void __init s3c2442_init_irq(void) 70644ade48ae88 arch/arm/mach-s3c24xx/irq.c Heiko Stuebner 2013-02-12 1035 { 70644ade48ae88 arch/arm/mach-s3c24xx/irq.c Heiko Stuebner 2013-02-12 1036 pr_info("S3C2442: IRQ Support\n"); 6f8d7ea275eb2a arch/arm/mach-s3c24xx/irq.c Heiko Stuebner 2013-02-12 1037 :::::: The code at line 1034 was first introduced by commit :::::: 70644ade48ae88f88f4935c4d2f3331c3ef177a1 ARM: S3C24XX: transform s3c2442 irqs into new structure :::::: TO: Heiko Stuebner <he...@sntech.de> :::::: CC: Kukjin Kim <kgene....@samsung.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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