* [vfs:Q12 31/55] fs/fs_context.c:380:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'?
@ 2018-11-19 23:20 kbuild test robot
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From: kbuild test robot @ 2018-11-19 23:20 UTC (permalink / raw)
To: David Howells; +Cc: kbuild-all, linux-fsdevel, Al Viro
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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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2018-11-19 23:20 [vfs:Q12 31/55] fs/fs_context.c:380:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'? kbuild test robot
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