Re: [PATCH v5 7/7] sched/fair: Fair server interface
From: kernel test robot
Date: Sat Nov 04 2023 - 20:55:56 EST
Hi Daniel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/sched/core]
[also build test WARNING on tip/master linus/master next-20231103]
[cannot apply to tip/auto-latest v6.6]
[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/Daniel-Bristot-de-Oliveira/sched-Unify-runtime-accounting-across-classes/20231104-201952
base: tip/sched/core
patch link: https://lore.kernel.org/r/26adad2378c8b15533e4f6216c2863341e587f57.1699095159.git.bristot%40kernel.org
patch subject: [PATCH v5 7/7] sched/fair: Fair server interface
config: i386-randconfig-013-20231105 (https://download.01.org/0day-ci/archive/20231105/202311050844.d45KQ8sK-lkp@xxxxxxxxx/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231105/202311050844.d45KQ8sK-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311050844.d45KQ8sK-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from kernel/sched/build_utility.c:72:0:
>> kernel/sched/debug.c:342:57: warning: integer overflow in expression [-Woverflow]
static unsigned long fair_server_period_max = (1 << 22) * NSEC_PER_USEC; /* ~4 seconds */
^
vim +342 kernel/sched/debug.c
341
> 342 static unsigned long fair_server_period_max = (1 << 22) * NSEC_PER_USEC; /* ~4 seconds */
343 static unsigned long fair_server_period_min = (100) * NSEC_PER_USEC; /* 100 us */
344
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