linux-kernel - Re: [PATCH] eventfd: introduce ratelimited wakeup for non-semaphore eventfd

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Date: Mon, 20 May 2024 01:14:57 +0800
From: kernel test robot <lkp@...el.com>
To: Wen Yang <wen.yang@...ux.dev>, Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>, Alexander Viro <viro@...iv.linux.org.uk>
Cc: oe-kbuild-all@...ts.linux.dev, Wen Yang <wen.yang@...ux.dev>,
	Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@....de>,
	Dylan Yudaken <dylany@...com>, David Woodhouse <dwmw@...zon.co.uk>,
	Paolo Bonzini <pbonzini@...hat.com>, Dave Young <dyoung@...hat.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] eventfd: introduce ratelimited wakeup for non-semaphore
 eventfd

Hi Wen,

kernel test robot noticed the following build errors:

[auto build test ERROR on brauner-vfs/vfs.all]
[also build test ERROR on linus/master v6.9 next-20240517]
[cannot apply to vfs-idmapping/for-next hch-configfs/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Wen-Yang/eventfd-introduce-ratelimited-wakeup-for-non-semaphore-eventfd/20240519-224440
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link:    https://lore.kernel.org/r/20240519144124.4429-1-wen.yang%40linux.dev
patch subject: [PATCH] eventfd: introduce ratelimited wakeup for non-semaphore eventfd
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240520/202405200111.frRQbI4n-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240520/202405200111.frRQbI4n-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405200111.frRQbI4n-lkp@intel.com/

All errors (new ones prefixed by >>):

   m68k-linux-ld: fs/eventfd.o: in function `eventfd_write':
>> eventfd.c:(.text+0x998): undefined reference to `__udivdi3'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki