Hi Elena, [auto build test ERROR on mmotm/master] [also build test ERROR on next-20170220] [cannot apply to linus/master linux/master v4.10] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Elena-Reshetova/mm-subsystem-refcounter-conversions/20170220-190351 base: git://git.cmpxchg.org/linux-mmotm.git master config: blackfin-BF561-EZKIT-SMP_defconfig (attached as .config) compiler: bfin-uclinux-gcc (GCC) 6.2.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=blackfin All errors (new ones prefixed by >>): arch/blackfin/mach-common/smp.c: In function 'cpu_die': >> arch/blackfin/mach-common/smp.c:426:13: error: passing argument 1 of >> 'atomic_dec' from incompatible pointer type >> [-Werror=incompatible-pointer-types] atomic_dec(&init_mm.mm_count); ^ In file included from arch/blackfin/include/asm/atomic.h:45:0, from include/linux/atomic.h:4, from arch/blackfin/include/asm/spinlock.h:14, from include/linux/spinlock.h:87, from include/linux/seqlock.h:35, from include/linux/time.h:5, from include/linux/stat.h:18, from include/linux/module.h:10, from arch/blackfin/mach-common/smp.c:10: include/asm-generic/atomic.h:211:20: note: expected 'atomic_t * {aka struct <anonymous> *}' but argument is of type 'refcount_t * {aka struct refcount_struct *}' static inline void atomic_dec(atomic_t *v) ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/atomic_dec +426 arch/blackfin/mach-common/smp.c 0b39db28 Graf Yang 2009-12-28 410 return -EPERM; 0b39db28 Graf Yang 2009-12-28 411 0b39db28 Graf Yang 2009-12-28 412 set_cpu_online(cpu, false); 0b39db28 Graf Yang 2009-12-28 413 return 0; 0b39db28 Graf Yang 2009-12-28 414 } 0b39db28 Graf Yang 2009-12-28 415 13dff62d Paul Gortmaker 2013-06-18 416 int __cpu_die(unsigned int cpu) 0b39db28 Graf Yang 2009-12-28 417 { a17b4b74 Paul E. McKenney 2015-02-26 418 return cpu_wait_death(cpu, 5); 0b39db28 Graf Yang 2009-12-28 419 } 0b39db28 Graf Yang 2009-12-28 420 0b39db28 Graf Yang 2009-12-28 421 void cpu_die(void) 0b39db28 Graf Yang 2009-12-28 422 { a17b4b74 Paul E. McKenney 2015-02-26 423 (void)cpu_report_death(); 0b39db28 Graf Yang 2009-12-28 424 afdf6066 Elena Reshetova 2017-02-20 425 refcount_dec(&init_mm.mm_users); 0b39db28 Graf Yang 2009-12-28 @426 atomic_dec(&init_mm.mm_count); 0b39db28 Graf Yang 2009-12-28 427 0b39db28 Graf Yang 2009-12-28 428 local_irq_disable(); 0b39db28 Graf Yang 2009-12-28 429 platform_cpu_die(); 0b39db28 Graf Yang 2009-12-28 430 } 0b39db28 Graf Yang 2009-12-28 431 #endif :::::: The code at line 426 was first introduced by commit :::::: 0b39db28b953945232719e7ff6fb802aa8a2be5f Blackfin: SMP: add PM/CPU hotplug support :::::: TO: Graf Yang <[email protected]> :::::: CC: Mike Frysinger <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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