[kbuild-all] [linux-rt-devel:linux-5.10.y-rt-rebase 276/283] arch/powerpc/include/asm/page_32.h:54:2: error: implicit declaration of function 'WARN_ON'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.10.y-rt-rebase head: 91d922a595bd1730c2215adf09dd716f858ad811 commit: 45664075f34bb1799470c82491b04a064a76eb77 [276/283] POWERPC: Allow to enable RT config: powerpc-randconfig-r014-20210211 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/com... git remote add linux-rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git git fetch --no-tags linux-rt-devel linux-5.10.y-rt-rebase git checkout 45664075f34bb1799470c82491b04a064a76eb77 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from arch/powerpc/include/asm/page.h:249, from arch/powerpc/include/asm/thread_info.h:13, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/page_32.h: In function 'clear_page': 54 | WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1)); | ^~~~~~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:12, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/cpu_has_feature.h: In function 'cpu_has_feature': 33 | printk("Warning! cpu_has_feature() used prior to jump label init!\n"); | ^~~~~~ 34 | dump_stack(); | ^~~~~~~~~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:13, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/inst.h: In function '__ppc_inst_as_str': 130 | sprintf(str, "%08x %08x", ppc_inst_val(x), ppc_inst_suffix(x)); | ^~~~~~~ arch/powerpc/include/asm/inst.h:1:1: note: include '<stdio.h>' or provide a declaration of 'sprintf' +++ |+#include <stdio.h> 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ In file included from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/thread_info.h: In function 'copy_overflow': 144 | WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count); | ^~~~ include/linux/thread_info.h: In function 'check_copy_size': 160 | if (WARN_ON_ONCE(bytes > INT_MAX)) | ^~~~~~~~~~~~ In file included from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/printk.h: At top level: 165 | int printk(const char *fmt, ...); | ^~~~~~ include/linux/printk.h:165:1: note: a parameter list with an ellipsis can't match an empty parameter name list declaration 165 | int printk(const char *fmt, ...); | ^~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:12, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/cpu_has_feature.h:33:3: note: previous implicit declaration of 'printk' was here 33 | printk("Warning! cpu_has_feature() used prior to jump label init!\n"); | ^~~~~~ In file included from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: 198 | extern asmlinkage void dump_stack(void) __cold; | ^~~~~~~~~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:12, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/cpu_has_feature.h:34:3: note: previous implicit declaration of 'dump_stack' was here 34 | dump_stack(); | ^~~~~~~~~~ cc1: some warnings being treated as errors -- WARNING: unmet direct dependencies detected for FSL_EMB_PERFMON Depends on E500 || PPC_83xx Selected by - PPC_FSL_BOOK3E In file included from arch/powerpc/include/asm/page.h:249, from arch/powerpc/include/asm/thread_info.h:13, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/page_32.h: In function 'clear_page': arch/powerpc/include/asm/page_32.h:54:2: error: implicit declaration of function 'WARN_ON' 54 | WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1)); | ^~~~~~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:12, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/cpu_has_feature.h: In function 'cpu_has_feature': arch/powerpc/include/asm/cpu_has_feature.h:33:3: error: implicit declaration of function 'printk' 33 | printk("Warning! cpu_has_feature() used prior to jump label init!n"); | ^~~~~~ arch/powerpc/include/asm/cpu_has_feature.h:34:3: error: implicit declaration of function 'dump_stack' 34 | dump_stack(); | ^~~~~~~~~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:13, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/inst.h: In function '__ppc_inst_as_str': arch/powerpc/include/asm/inst.h:130:3: error: implicit declaration of function 'sprintf' 130 | sprintf(str, "%08x %08x", ppc_inst_val(x), ppc_inst_suffix(x)); | ^~~~~~~ arch/powerpc/include/asm/inst.h:1:1: note: include '<stdio.h>' or provide a declaration of 'sprintf' +++ |+#include <stdio.h> 1 | /Dockerfile /Gemfile /Gemfile.lock /bin /boot /c /cephfs /db /dev /etc /home /htmldocs /include /kbuild /lib /lib32 /lib64 /libx32 /lkp-cloud /lkp-src /media /mnt /opt /patch /pkg /proc /root /run /sbin /share /srv /sys /tmp /usr /var SPDX-License-Identifier: GPL-2.0-or-later arch/ include/ kernel/ scripts/ source/ usr/ In file included from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/thread_info.h: In function 'copy_overflow': include/linux/thread_info.h:144:2: error: implicit declaration of function 'WARN' 144 | WARN(1, "Buffer overflow detected (%d < %lu)!n", size, count); | ^~~~ include/linux/thread_info.h: In function 'check_copy_size': include/linux/thread_info.h:160:6: error: implicit declaration of function 'WARN_ON_ONCE' 160 | if (WARN_ON_ONCE(bytes > INT_MAX)) | ^~~~~~~~~~~~ In file included from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/printk.h: At top level: 165 | int printk(const char ...); | ^~~~~~ include/linux/printk.h:165:1: note: a parameter list with an ellipsis can't match an empty parameter name list declaration 165 | int printk(const char ...); | ^~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:12, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/cpu_has_feature.h:33:3: note: previous implicit declaration of 'printk' was here 33 | printk("Warning! cpu_has_feature() used prior to jump label init!n"); | ^~~~~~ In file included from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: 198 | extern asmlinkage void dump_stack(void) __cold; | ^~~~~~~~~~ In file included from arch/powerpc/include/asm/hw_breakpoint.h:12, from arch/powerpc/include/asm/processor.h:41, from arch/powerpc/include/asm/thread_info.h:40, from include/linux/thread_info.h:38, from arch/powerpc/include/asm/ptrace.h:254, from arch/powerpc/include/asm/hw_irq.h:12, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/asm-generic/cmpxchg-local.h:6, from arch/powerpc/include/asm/cmpxchg.h:526, from arch/powerpc/include/asm/atomic.h:11, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from include/linux/rtmutex.h:23, from include/linux/spinlock_types.h:18, from include/linux/ratelimit_types.h:7, from include/linux/printk.h:10, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from arch/powerpc/include/asm/bug.h:109, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/powerpc/include/asm/cpu_has_feature.h:34:3: note: previous implicit declaration of 'dump_stack' was here 34 | dump_stack(); | ^~~~~~~~~~ cc1: some warnings being treated as errors Makefile arch include kernel scripts source usr [scripts/Makefile.build:117: kernel/bounds.s] Error 1 Target '__build' not remade because of errors. Makefile arch include kernel scripts source usr [Makefile:1206: prepare0] Error 2 Target 'prepare' not remade because of errors. make: Makefile arch include kernel scripts source usr [Makefile:185: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FSL_EMB_PERFMON Depends on E500 || PPC_83xx Selected by - PPC_FSL_BOOK3E vim +/WARN_ON +54 arch/powerpc/include/asm/page_32.h 7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 44 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 45 /* 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 46 * Clear page using the dcbz instruction, which doesn't cause any 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 47 * memory traffic (except to write out any cache lines which get 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 48 * displaced). This only works on cacheable memory. 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 49 */ 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 50 static inline void clear_page(void *addr) 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 51 { 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 52 unsigned int i; 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 53 7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 @54 WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1)); 7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 55 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 56 for (i = 0; i < PAGE_SIZE / L1_CACHE_BYTES; i++, addr += L1_CACHE_BYTES) 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 57 dcbz(addr); 5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09 58 } 5cd16ee934eafc include/asm-powerpc/page_32.h Michael Ellerman 2005-11-11 59 extern void copy_page(void *to, void *from); 5cd16ee934eafc include/asm-powerpc/page_32.h Michael Ellerman 2005-11-11 60 :::::: The code at line 54 was first introduced by commit :::::: 7ab0b7cb8951d4095d73e203759b74d41916e455 powerpc/32: Add warning on misaligned copy_page() or clear_page() :::::: TO: Christophe Leroy <christophe.leroy(a)c-s.fr&gt; :::::: CC: Michael Ellerman <mpe(a)ellerman.id.au&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org