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Message-ID: <202409112050.3zbvpbyT-lkp@intel.com>
Date: Wed, 11 Sep 2024 20:46:19 +0800
From: kernel test robot <lkp@...el.com>
To: Cindy Lu <lulu@...hat.com>, jasowang@...hat.com, mst@...hat.com,
michael.christie@...cle.com, linux-kernel@...r.kernel.org,
virtualization@...ts.linux-foundation.org
Cc: oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v1 6/7] vhost: Add kthread support in function
vhost_worker_create
Hi Cindy,
kernel test robot noticed the following build warnings:
[auto build test WARNING on mst-vhost/linux-next]
[also build test WARNING on linus/master v6.11-rc7 next-20240910]
[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/Cindy-Lu/vhost-Add-a-new-module_param-for-enable-kthread/20240909-093852
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
patch link: https://lore.kernel.org/r/20240909013531.1243525-7-lulu%40redhat.com
patch subject: [PATCH v1 6/7] vhost: Add kthread support in function vhost_worker_create
config: arc-randconfig-001-20240911 (https://download.01.org/0day-ci/archive/20240911/202409112050.3zbvpbyT-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409112050.3zbvpbyT-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/202409112050.3zbvpbyT-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/vhost/vhost.c: In function 'vhost_worker_queue':
drivers/vhost/vhost.c:273:13: error: 'use_kthread' undeclared (first use in this function)
273 | if (use_kthread) {
| ^~~~~~~~~~~
drivers/vhost/vhost.c:273:13: note: each undeclared identifier is reported only once for each function it appears in
drivers/vhost/vhost.c: In function 'vhost_workers_free':
drivers/vhost/vhost.c:805:13: error: 'use_kthread' undeclared (first use in this function)
805 | if (use_kthread)
| ^~~~~~~~~~~
drivers/vhost/vhost.c: In function 'vhost_worker_create':
drivers/vhost/vhost.c:986:13: error: 'use_kthread' undeclared (first use in this function)
986 | if (use_kthread)
| ^~~~~~~~~~~
drivers/vhost/vhost.c: In function 'vhost_free_worker':
drivers/vhost/vhost.c:1030:13: error: 'use_kthread' undeclared (first use in this function)
1030 | if (use_kthread)
| ^~~~~~~~~~~
drivers/vhost/vhost.c: In function 'vhost_worker_create':
>> drivers/vhost/vhost.c:990:1: warning: control reaches end of non-void function [-Wreturn-type]
990 | }
| ^
vim +990 drivers/vhost/vhost.c
983
984 static struct vhost_worker *vhost_worker_create(struct vhost_dev *dev)
985 {
986 if (use_kthread)
987 return vhost_worker_create_kthread(dev);
988 else
989 return vhost_worker_create_task(dev);
> 990 }
991
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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