From: kbuild test robot <lkp@intel.com>
To: David Howells <dhowells@redhat.com>
Cc: kbuild-all@01.org, linux-fsdevel@vger.kernel.org,
Al Viro <viro@zeniv.linux.org.uk>
Subject: [vfs:Q21 32/62] fs/fs_context.c:380:3: error: implicit declaration of function 'vprintk_emit'; did you mean 'dev_printk_emit'?
Date: Sat, 1 Dec 2018 09:39:15 +0800 [thread overview]
Message-ID: <201812010912.Mw2AVonb%fengguang.wu@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git Q21
head: dd1edbd771e695b48670899e24ce352471bbe544
commit: c223aae800e4a6259b3145cb8d514f567e529ced [32/62] vfs: Implement logging through fs_context
config: riscv-tinyconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 8.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout c223aae800e4a6259b3145cb8d514f567e529ced
# save the attached .config to linux build tree
GCC_VERSION=8.1.0 make.cross ARCH=riscv
Note: the vfs/Q21 HEAD dd1edbd771e695b48670899e24ce352471bbe544 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
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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