Re: [PATCH v5 08/18] rcu: Add per-CB tracing for queuing, flush and invocation.

From: kernel test robot
Date: Fri Sep 02 2022 - 15:01:49 EST


Hi "Joel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on paulmck-rcu/dev]
[also build test WARNING on pcmoore-selinux/next drm-intel/for-linux-next linus/master v6.0-rc3]
[cannot apply to vbabka-slab/for-next rostedt-trace/for-next tip/timers/core next-20220901]
[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/Joel-Fernandes-Google/Implement-call_rcu_lazy-and-miscellaneous-fixes/20220902-062156
base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20220903/202209030201.w42TEYCt-lkp@xxxxxxxxx/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/c0f09b1d42d06649680f74a78ca363e7f1c158b2
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Joel-Fernandes-Google/Implement-call_rcu_lazy-and-miscellaneous-fixes/20220902-062156
git checkout c0f09b1d42d06649680f74a78ca363e7f1c158b2
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

In file included from include/linux/init.h:6,
from arch/sparc/kernel/head_64.S:13:
>> include/linux/types.h:233:44: warning: missing terminating ' character
233 | // at HZ=1000 before wrapping. That's enough for debug.
| ^


vim +233 include/linux/types.h

230
231 struct cb_debug_info {
232 // 16-bit jiffie deltas can provide about 60 seconds of resolution
> 233 // at HZ=1000 before wrapping. That's enough for debug.
234 u16 cb_queue_jiff;
235 u16 first_bp_jiff;
236 u16 cb_flush_jiff;
237 enum cb_debug_flags flags:16;
238 };
239 #endif
240

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0-DAY CI Kernel Test Service
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