While building Linux next 20211202 tag for sh with gcc-10 following warnings / errors noticed. make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=mips CROSS_COMPILE=mips-linux-gnu- 'CC=sccache mips-linux-gnu-gcc' 'HOSTCC=sccache gcc' In file included from /builds/linux/kernel/futex/futex.h:12, from /builds/linux/kernel/futex/core.c:41: /builds/linux/arch/mips/include/asm/futex.h: In function 'arch_futex_atomic_op_inuser': /builds/linux/arch/mips/include/asm/futex.h:89:9: error: implicit declaration of function 'arch_futex_atomic_op_inuser_local'; did you mean 'futex_atomic_op_inuser_local'? [-Werror=implicit-function-declaration] 89 | ret = arch_futex_atomic_op_inuser_local(op, oparg, oval,\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /builds/linux/arch/mips/include/asm/futex.h:89:9: note: in definition of macro '__futex_atomic_op' 89 | ret = arch_futex_atomic_op_inuser_local(op, oparg, oval,\ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /builds/linux/kernel/futex/futex.h:12, from /builds/linux/kernel/futex/core.c:41: /builds/linux/arch/mips/include/asm/futex.h:23:39: error: invalid storage class for function 'futex_atomic_cmpxchg_inatomic' 23 | #define futex_atomic_cmpxchg_inatomic futex_atomic_cmpxchg_inatomic | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /builds/linux/arch/mips/include/asm/futex.h:133:1: note: in expansion of macro 'futex_atomic_cmpxchg_inatomic' 133 | futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /builds/linux/kernel/futex/futex.h:12, from /builds/linux/kernel/futex/core.c:41: /builds/linux/arch/mips/include/asm/futex.h:132:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 132 | static inline int | ^~~~~~ In file included from /builds/linux/kernel/futex/core.c:41: /builds/linux/kernel/futex/futex.h:33:20: error: invalid storage class for function 'should_fail_futex' 33 | static inline bool should_fail_futex(bool fshared) | ^~~~~~~~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:134:19: error: invalid storage class for function 'futex_match' 134 | static inline int futex_match(union futex_key *key1, union futex_key *key2) | ^~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:169:20: error: invalid storage class for function 'futex_queue' 169 | static inline void futex_queue(struct futex_q *q, struct futex_hash_bucket *hb) | ^~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:183:20: error: invalid storage class for function 'futex_hb_waiters_inc' 183 | static inline void futex_hb_waiters_inc(struct futex_hash_bucket *hb) | ^~~~~~~~~~~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:198:20: error: invalid storage class for function 'futex_hb_waiters_dec' 198 | static inline void futex_hb_waiters_dec(struct futex_hash_bucket *hb) | ^~~~~~~~~~~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:205:19: error: invalid storage class for function 'futex_hb_waiters_pending' 205 | static inline int futex_hb_waiters_pending(struct futex_hash_bucket *hb) | ^~~~~~~~~~~~~~~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:238:1: error: invalid storage class for function 'double_lock_hb' 238 | double_lock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2) | ^~~~~~~~~~~~~~ /builds/linux/kernel/futex/futex.h:249:1: error: invalid storage class for function 'double_unlock_hb' 249 | double_unlock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2) | ^~~~~~~~~~~~~~~~ Build config: https://builds.tuxbuild.com/21igw2PcUSaVeHzl1QOiAUEwpkt/config Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> meta data: ----------- git describe: next-20211202 git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_sha: 9606f9efb1cec7f8f5912326f182fbfbcad34382 git_short_log: 9606f9efb1ce (\"Add linux-next specific files for 20211202\") target_arch: mips toolchain: gcc-10 steps to reproduce: tuxmake --runtime podman --target-arch mips --toolchain gcc-10 --kconfig ar7_defconfig https://builds.tuxbuild.com/21igw2PcUSaVeHzl1QOiAUEwpkt/tuxmake_reproducer.sh -- Linaro LKFT https://lkft.linaro.org