tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git Q12 head: 00675e779ef442c0f7deb0dc637ea20d57a93514 commit: c5d5b3b429daa192590eee124acedecfe872dde0 [31/55] vfs: Implement logging through fs_context config: arm-allnoconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout c5d5b3b429daa192590eee124acedecfe872dde0 # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm Note: the vfs/Q12 HEAD 00675e779ef442c0f7deb0dc637ea20d57a93514 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): fs/fs_context.c: In function 'logfc': >> fs/fs_context.c:380:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'? [-Werror=implicit-function-declaration] vprintk_emit(0, LOGLEVEL_WARNING, NULL, 0, fmt, va); ^~~~~~~~~~~~ dev_printk_emit cc1: some warnings being treated as errors vim +380 fs/fs_context.c 366 367 /** 368 * logfc - Log a message to a filesystem context 369 * @fc: The filesystem context to log to. 370 * @fmt: The format of the buffer. 371 */ 372 void logfc(struct fs_context *fc, const char *fmt, ...) 373 { 374 va_list va; 375 376 va_start(va, fmt); 377 378 switch (fmt[0]) { 379 case 'w': > 380 vprintk_emit(0, LOGLEVEL_WARNING, NULL, 0, fmt, va); 381 break; 382 case 'e': 383 vprintk_emit(0, LOGLEVEL_ERR, NULL, 0, fmt, va); 384 break; 385 default: 386 vprintk_emit(0, LOGLEVEL_NOTICE, NULL, 0, fmt, va); 387 break; 388 } 389 390 pr_cont("\n"); 391 va_end(va); 392 } 393 EXPORT_SYMBOL(logfc); 394 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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