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Message-ID: <202409101256.eWKWH1mw-lkp@intel.com>
Date: Tue, 10 Sep 2024 13:12:27 +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: [RESEND PATCH v1 1/7] vhost: Add a new module_param for enable
kthread
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-20240909]
[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-kthread-support-in-function-vhost_worker_queue/20240909-110046
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
patch link: https://lore.kernel.org/r/20240909020138.1245873-2-lulu%40redhat.com
patch subject: [RESEND PATCH v1 1/7] vhost: Add a new module_param for enable kthread
config: x86_64-randconfig-123-20240910 (https://download.01.org/0day-ci/archive/20240910/202409101256.eWKWH1mw-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240910/202409101256.eWKWH1mw-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/202409101256.eWKWH1mw-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/vhost/vhost.c:44:6: sparse: sparse: symbol 'enforce_kthread' was not declared. Should it be static?
drivers/vhost/vhost.c:1898:54: sparse: sparse: self-comparison always evaluates to false
drivers/vhost/vhost.c:1899:54: sparse: sparse: self-comparison always evaluates to false
drivers/vhost/vhost.c:1900:55: sparse: sparse: self-comparison always evaluates to false
drivers/vhost/vhost.c:2155:46: sparse: sparse: self-comparison always evaluates to false
drivers/vhost/vhost.c:2235:48: sparse: sparse: self-comparison always evaluates to false
vim +/enforce_kthread +44 drivers/vhost/vhost.c
35
36 static ushort max_mem_regions = 64;
37 module_param(max_mem_regions, ushort, 0444);
38 MODULE_PARM_DESC(max_mem_regions,
39 "Maximum number of memory regions in memory map. (default: 64)");
40 static int max_iotlb_entries = 2048;
41 module_param(max_iotlb_entries, int, 0444);
42 MODULE_PARM_DESC(max_iotlb_entries,
43 "Maximum number of iotlb entries. (default: 2048)");
> 44 bool enforce_kthread = true;
45 module_param(enforce_kthread, bool, 0444);
46 MODULE_PARM_DESC(enforce_kthread, "enable vhost to use kthread (default: Y)");
47
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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