Is it a clang problem? GCC is okay. I would appreciate any help on the problem. On Tue, Jun 21, 2022 at 3:58 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi, > > I love your patch! Yet something to improve: > > [auto build test ERROR on soc/for-next] > [also build test ERROR on linus/master v5.19-rc2 next-20220617] > [cannot apply to tip/locking/core] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/intel-lab-lkp/linux/commits/guoren-kernel-org/riscv-Add-qspinlock-support/20220620-235653 > base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next > config: riscv-rv32_defconfig (https://download.01.org/0day-ci/archive/20220621/202206210303.Vjl4rpPv-lkp@xxxxxxxxx/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f) > 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 riscv cross compiling tool for clang build > # apt-get install binutils-riscv-linux-gnu > # https://github.com/intel-lab-lkp/linux/commit/326f4a13941845b6ef1c4f4eaba049fe265f52bf > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review guoren-kernel-org/riscv-Add-qspinlock-support/20220620-235653 > git checkout 326f4a13941845b6ef1c4f4eaba049fe265f52bf > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv prepare > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All error/warnings (new ones prefixed by >>): > > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:7: > In file included from include/linux/gfp.h:6: > In file included from include/linux/mmzone.h:8: > In file included from include/linux/spinlock.h:62: > In file included from include/linux/lockdep.h:14: > In file included from include/linux/smp.h:13: > In file included from include/linux/cpumask.h:13: > In file included from include/linux/atomic.h:7: > >> arch/riscv/include/asm/atomic.h:299:1: error: expected expression > ATOMIC_OPS() > ^ > arch/riscv/include/asm/atomic.h:292:2: note: expanded from macro 'ATOMIC_OPS' > ATOMIC_OP(int, , 4) > ^ > arch/riscv/include/asm/atomic.h:249:9: note: expanded from macro 'ATOMIC_OP' > return __xchg_relaxed(&(v->counter), n, size); \ > ^ > arch/riscv/include/asm/cmpxchg.h:21:3: note: expanded from macro '__xchg_relaxed' > u32 temp; \ > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:7: > In file included from include/linux/gfp.h:6: > In file included from include/linux/mmzone.h:8: > In file included from include/linux/spinlock.h:62: > In file included from include/linux/lockdep.h:14: > In file included from include/linux/smp.h:13: > In file included from include/linux/cpumask.h:13: > In file included from include/linux/atomic.h:7: > >> arch/riscv/include/asm/atomic.h:299:1: error: use of undeclared identifier 'temp'; did you mean 'bcmp'? > arch/riscv/include/asm/atomic.h:292:2: note: expanded from macro 'ATOMIC_OPS' > ATOMIC_OP(int, , 4) > ^ > arch/riscv/include/asm/atomic.h:249:9: note: expanded from macro 'ATOMIC_OP' > return __xchg_relaxed(&(v->counter), n, size); \ > ^ > arch/riscv/include/asm/cmpxchg.h:31:28: note: expanded from macro '__xchg_relaxed' > : "=&r" (__ret), "=&r" (temp), "+A" (*__ptr) \ > ^ > include/linux/string.h:159:12: note: 'bcmp' declared here > extern int bcmp(const void *,const void *,__kernel_size_t); > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:7: > In file included from include/linux/gfp.h:6: > In file included from include/linux/mmzone.h:8: > In file included from include/linux/spinlock.h:62: > In file included from include/linux/lockdep.h:14: > In file included from include/linux/smp.h:13: > In file included from include/linux/cpumask.h:13: > In file included from include/linux/atomic.h:7: > >> arch/riscv/include/asm/atomic.h:299:1: error: invalid lvalue in asm output > ATOMIC_OPS() > ^~~~~~~~~~~~ > arch/riscv/include/asm/atomic.h:292:2: note: expanded from macro 'ATOMIC_OPS' > ATOMIC_OP(int, , 4) > ^~~~~~~~~~~~~~~~~~~~~ > arch/riscv/include/asm/atomic.h:249:9: note: expanded from macro 'ATOMIC_OP' > return __xchg_relaxed(&(v->counter), n, size); \ > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/riscv/include/asm/cmpxchg.h:31:28: note: expanded from macro '__xchg_relaxed' > : "=&r" (__ret), "=&r" (temp), "+A" (*__ptr) \ > ^~~~ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:7: > In file included from include/linux/gfp.h:6: > In file included from include/linux/mmzone.h:8: > In file included from include/linux/spinlock.h:62: > In file included from include/linux/lockdep.h:14: > In file included from include/linux/smp.h:13: > In file included from include/linux/cpumask.h:13: > In file included from include/linux/atomic.h:7: > >> arch/riscv/include/asm/atomic.h:299:1: warning: mixing declarations and code is incompatible with standards before C99 [-Wdeclaration-after-statement] > arch/riscv/include/asm/atomic.h:292:2: note: expanded from macro 'ATOMIC_OPS' > ATOMIC_OP(int, , 4) > ^ > arch/riscv/include/asm/atomic.h:249:9: note: expanded from macro 'ATOMIC_OP' > return __xchg_relaxed(&(v->counter), n, size); \ > ^ > arch/riscv/include/asm/cmpxchg.h:22:7: note: expanded from macro '__xchg_relaxed' > u32 shif = ((ulong)__ptr & 2) ? 16 : 0; \ > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] > return (set->sig[3] | set->sig[2] | > ^ ~ > include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here > unsigned long sig[_NSIG_WORDS]; > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds] > return (set->sig[3] | set->sig[2] | > ^ ~ > include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here > unsigned long sig[_NSIG_WORDS]; > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] > return (set1->sig[3] == set2->sig[3]) && > ^ ~ > include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here > unsigned long sig[_NSIG_WORDS]; > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] > return (set1->sig[3] == set2->sig[3]) && > ^ ~ > include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here > unsigned long sig[_NSIG_WORDS]; > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds] > (set1->sig[2] == set2->sig[2]) && > ^ ~ > include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here > unsigned long sig[_NSIG_WORDS]; > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:114:21: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds] > (set1->sig[2] == set2->sig[2]) && > ^ ~ > include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here > unsigned long sig[_NSIG_WORDS]; > ^ > In file included from arch/riscv/kernel/asm-offsets.c:10: > In file included from include/linux/mm.h:700: > In file included from include/linux/huge_mm.h:8: > In file included from include/linux/fs.h:33: > In file included from include/linux/percpu-rwsem.h:7: > In file included from include/linux/rcuwait.h:6: > In file included from include/linux/sched/signal.h:6: > include/linux/signal.h:156:1: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] > _SIG_SET_BINOP(sigorsets, _sig_or) > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > include/linux/signal.h:137:8: note: expanded from macro '_SIG_SET_BINOP' > a3 = a->sig[3]; a2 = a->sig[2]; \ > ^ ~ > > > vim +299 arch/riscv/include/asm/atomic.h > > fab957c11efe2f Palmer Dabbelt 2017-07-10 298 > 5ce6c1f3535fa8 Andrea Parri 2018-03-09 @299 ATOMIC_OPS() > fab957c11efe2f Palmer Dabbelt 2017-07-10 300 > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/
