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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id u142sm10729045wmu.3.2021.02.11.07.44.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Feb 2021 07:44:46 -0800 (PST) Subject: Re: [linux-next:master 7895/10581] arch/mips/include/asm/spinlock.h:17:28: error: redefinition of 'queued_spin_unlock' To: kernel test robot , Ben Gardon Cc: kbuild-all@lists.01.org, Linux Memory Management List References: <202102112351.Wahnhdlq-lkp@intel.com> From: Paolo Bonzini Message-ID: Date: Thu, 11 Feb 2021 16:44:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <202102112351.Wahnhdlq-lkp@intel.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 11/02/21 16:09, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 671176b0016c80b3943cb5387312c886aba3308d > commit: 26128cb6c7e6731fe644c687af97733adfdb5ee9 [7895/10581] locking/rwlocks: Add contention detection for rwlocks > config: mips-allyesconfig (attached as .config) > compiler: mips-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/next/linux-next.git/commit/?id=26128cb6c7e6731fe644c687af97733adfdb5ee9 > 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 26128cb6c7e6731fe644c687af97733adfdb5ee9 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot This was already reported and will be fixed in tomorrow's linux-next (commit d8d0da4eee5c in kvm.git's "next" branch, "locking/arch: Move qrwlock.h include after qspinlock.h"). Paolo > All errors (new ones prefixed by >>): > > In file included from include/linux/spinlock.h:90, > from include/linux/ipc.h:5, > from include/uapi/linux/sem.h:5, > from include/linux/sem.h:5, > from include/linux/compat.h:14, > from arch/mips/kernel/asm-offsets.c:12: >>> arch/mips/include/asm/spinlock.h:17:28: error: redefinition of 'queued_spin_unlock' > 17 | #define queued_spin_unlock queued_spin_unlock > | ^~~~~~~~~~~~~~~~~~ > arch/mips/include/asm/spinlock.h:22:20: note: in expansion of macro 'queued_spin_unlock' > 22 | static inline void queued_spin_unlock(struct qspinlock *lock) > | ^~~~~~~~~~~~~~~~~~ > In file included from include/asm-generic/qrwlock.h:17, > from ./arch/mips/include/generated/asm/qrwlock.h:1, > from arch/mips/include/asm/spinlock.h:13, > from include/linux/spinlock.h:90, > from include/linux/ipc.h:5, > from include/uapi/linux/sem.h:5, > from include/linux/sem.h:5, > from include/linux/compat.h:14, > from arch/mips/kernel/asm-offsets.c:12: > include/asm-generic/qspinlock.h:94:29: note: previous definition of 'queued_spin_unlock' was here > 94 | static __always_inline void queued_spin_unlock(struct qspinlock *lock) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] > 26 | void output_ptreg_defines(void) > | ^~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] > 78 | void output_task_defines(void) > | ^~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] > 93 | void output_thread_info_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] > 110 | void output_thread_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] > 138 | void output_thread_fpu_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] > 181 | void output_mm_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] > 220 | void output_sc_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes] > 255 | void output_signal_defined(void) > | ^~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes] > 322 | void output_pbe_defines(void) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes] > 334 | void output_pm_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] > 348 | void output_kvm_defines(void) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:392:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes] > 392 | void output_cps_defines(void) > | ^~~~~~~~~~~~~~~~~~ > -- > In file included from include/linux/spinlock.h:90, > from include/linux/ipc.h:5, > from include/uapi/linux/sem.h:5, > from include/linux/sem.h:5, > from include/linux/compat.h:14, > from arch/mips/kernel/asm-offsets.c:12: >>> arch/mips/include/asm/spinlock.h:17:28: error: redefinition of 'queued_spin_unlock' > 17 | #define queued_spin_unlock queued_spin_unlock > | ^~~~~~~~~~~~~~~~~~ > arch/mips/include/asm/spinlock.h:22:20: note: in expansion of macro 'queued_spin_unlock' > 22 | static inline void queued_spin_unlock(struct qspinlock *lock) > | ^~~~~~~~~~~~~~~~~~ > In file included from include/asm-generic/qrwlock.h:17, > from ./arch/mips/include/generated/asm/qrwlock.h:1, > from arch/mips/include/asm/spinlock.h:13, > from include/linux/spinlock.h:90, > from include/linux/ipc.h:5, > from include/uapi/linux/sem.h:5, > from include/linux/sem.h:5, > from include/linux/compat.h:14, > from arch/mips/kernel/asm-offsets.c:12: > include/asm-generic/qspinlock.h:94:29: note: previous definition of 'queued_spin_unlock' was here > 94 | static __always_inline void queued_spin_unlock(struct qspinlock *lock) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] > 26 | void output_ptreg_defines(void) > | ^~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] > 78 | void output_task_defines(void) > | ^~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] > 93 | void output_thread_info_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] > 110 | void output_thread_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] > 138 | void output_thread_fpu_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] > 181 | void output_mm_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] > 220 | void output_sc_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes] > 255 | void output_signal_defined(void) > | ^~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes] > 322 | void output_pbe_defines(void) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes] > 334 | void output_pm_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] > 348 | void output_kvm_defines(void) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:392:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes] > 392 | void output_cps_defines(void) > | ^~~~~~~~~~~~~~~~~~ > make[2]: *** [scripts/Makefile.build:117: arch/mips/kernel/asm-offsets.s] Error 1 > make[2]: Target '__build' not remade because of errors. > make[1]: *** [Makefile:1206: prepare0] Error 2 > make[1]: Target 'modules_prepare' not remade because of errors. > make: *** [Makefile:185: __sub-make] Error 2 > make: Target 'modules_prepare' not remade because of errors. > -- > In file included from include/linux/spinlock.h:90, > from include/linux/ipc.h:5, > from include/uapi/linux/sem.h:5, > from include/linux/sem.h:5, > from include/linux/compat.h:14, > from arch/mips/kernel/asm-offsets.c:12: >>> arch/mips/include/asm/spinlock.h:17:28: error: redefinition of 'queued_spin_unlock' > 17 | #define queued_spin_unlock queued_spin_unlock > | ^~~~~~~~~~~~~~~~~~ > arch/mips/include/asm/spinlock.h:22:20: note: in expansion of macro 'queued_spin_unlock' > 22 | static inline void queued_spin_unlock(struct qspinlock *lock) > | ^~~~~~~~~~~~~~~~~~ > In file included from include/asm-generic/qrwlock.h:17, > from ./arch/mips/include/generated/asm/qrwlock.h:1, > from arch/mips/include/asm/spinlock.h:13, > from include/linux/spinlock.h:90, > from include/linux/ipc.h:5, > from include/uapi/linux/sem.h:5, > from include/linux/sem.h:5, > from include/linux/compat.h:14, > from arch/mips/kernel/asm-offsets.c:12: > include/asm-generic/qspinlock.h:94:29: note: previous definition of 'queued_spin_unlock' was here > 94 | static __always_inline void queued_spin_unlock(struct qspinlock *lock) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] > 26 | void output_ptreg_defines(void) > | ^~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] > 78 | void output_task_defines(void) > | ^~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] > 93 | void output_thread_info_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] > 110 | void output_thread_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] > 138 | void output_thread_fpu_defines(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] > 181 | void output_mm_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] > 220 | void output_sc_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes] > 255 | void output_signal_defined(void) > | ^~~~~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes] > 322 | void output_pbe_defines(void) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes] > 334 | void output_pm_defines(void) > | ^~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] > 348 | void output_kvm_defines(void) > | ^~~~~~~~~~~~~~~~~~ > arch/mips/kernel/asm-offsets.c:392:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes] > 392 | void output_cps_defines(void) > | ^~~~~~~~~~~~~~~~~~ > make[2]: *** [scripts/Makefile.build:117: arch/mips/kernel/asm-offsets.s] Error 1 > make[2]: Target '__build' not remade because of errors. > make[1]: *** [Makefile:1206: prepare0] Error 2 > make[1]: Target 'prepare' not remade because of errors. > make: *** [Makefile:185: __sub-make] Error 2 > make: Target 'prepare' not remade because of errors. > > > vim +/queued_spin_unlock +17 arch/mips/include/asm/spinlock.h > > 346e91ee090b07 Will Deacon 2019-02-22 16 > 346e91ee090b07 Will Deacon 2019-02-22 @17 #define queued_spin_unlock queued_spin_unlock > 346e91ee090b07 Will Deacon 2019-02-22 18 /** > 346e91ee090b07 Will Deacon 2019-02-22 19 * queued_spin_unlock - release a queued spinlock > 346e91ee090b07 Will Deacon 2019-02-22 20 * @lock : Pointer to queued spinlock structure > 346e91ee090b07 Will Deacon 2019-02-22 21 */ > 346e91ee090b07 Will Deacon 2019-02-22 22 static inline void queued_spin_unlock(struct qspinlock *lock) > 346e91ee090b07 Will Deacon 2019-02-22 23 { > 346e91ee090b07 Will Deacon 2019-02-22 24 /* This could be optimised with ARCH_HAS_MMIOWB */ > 346e91ee090b07 Will Deacon 2019-02-22 25 mmiowb(); > 346e91ee090b07 Will Deacon 2019-02-22 26 smp_store_release(&lock->locked, 0); > 346e91ee090b07 Will Deacon 2019-02-22 27 } > 346e91ee090b07 Will Deacon 2019-02-22 28 > > :::::: The code at line 17 was first introduced by commit > :::::: 346e91ee090b07da8d15e36bc3169ddea6968713 mips/mmiowb: Add unconditional mmiowb() to arch_spin_unlock() > > :::::: TO: Will Deacon > :::::: CC: Will Deacon > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org >