Hi Waiman, [auto build test ERROR on ext4/dev] [also build test ERROR on v4.6-rc2 next-20160408] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Waiman-Long/ext4-Improve-parallel-I-O-performance-on-NVDIMM/20160409-002128 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev config: alpha-defconfig (attached as .config) 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=alpha Note: the linux-review/Waiman-Long/ext4-Improve-parallel-I-O-performance-on-NVDIMM/20160409-002128 HEAD 712a939b92b9178cb79df4050bba8e6b1d03ca63 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): In file included from lib/percpu_stats.c:5:0: include/linux/percpu_stats.h: In function 'percpu_stats_add': >> include/linux/percpu_stats.h:29:2: error: implicit declaration of function 'raw_local_irq_save' [-Werror=implicit-function-declaration] this_cpu_add(pcs->stats[stat], cnt); ^ >> include/linux/percpu_stats.h:29:2: error: implicit declaration of function 'raw_local_irq_restore' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors vim +/raw_local_irq_save +29 include/linux/percpu_stats.h 23 * @cnt: The value to be added to the statistics count 24 */ 25 static inline void 26 percpu_stats_add(struct percpu_stats *pcs, int stat, int cnt) 27 { 28 BUG_ON((unsigned int)stat >= pcs->nstats); > 29 this_cpu_add(pcs->stats[stat], cnt); 30 } 31 32 static inline void percpu_stats_inc(struct percpu_stats *pcs, int stat) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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