Messages in this thread | | | Date | Tue, 15 Mar 2022 21:24:52 +0800 | From | kernel test robot <> | Subject | Re: [PATCH] sched: dynamic config sd_flags if described in DT |
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Hi Qing,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on arm64/for-next/core] [also build test ERROR on driver-core/driver-core-testing tip/sched/core linus/master v5.17-rc8 next-20220310] [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]
url: https://github.com/0day-ci/linux/commits/Qing-Wang/sched-dynamic-config-sd_flags-if-described-in-DT/20220315-160039 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: riscv-randconfig-r025-20220314 (https://download.01.org/0day-ci/archive/20220315/202203152145.vPr4Qv42-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6b2f50fb47da3baeee10b1906da6e30ac5d26ec) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/3322560249c42b0a3e719b19842a3ace7d5ffb6a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Qing-Wang/sched-dynamic-config-sd_flags-if-described-in-DT/20220315-160039 git checkout 3322560249c42b0a3e719b19842a3ace7d5ffb6a # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/base/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/base/arch_topology.c:648:23: error: use of undeclared identifier 'cpu' if (!cache_topology[cpu][cache_level]) ^ drivers/base/arch_topology.c:654:23: error: use of undeclared identifier 'cpu' if (cache_topology[cpu][cache_level] == cache_topology[cpu_id][cache_level]) { ^ 2 errors generated.
vim +/cpu +648 drivers/base/arch_topology.c
639 640 int cpus_share_self_cache(const struct cpumask *cpu_map) 641 { 642 int cache_level, cpu_id; 643 int first, last; 644 int id = cpumask_first(cpu_map); 645 int size = cpumask_weight(cpu_map); 646 647 for (cache_level = 0; cache_level < MAX_CACHE_LEVEL; cache_level++) { > 648 if (!cache_topology[cpu][cache_level]) 649 return -1; 650 651 first = -1; 652 last = id; 653 for (cpu_id = 0; cpu_id < NR_CPUS; cpu_id++) { 654 if (cache_topology[cpu][cache_level] == cache_topology[cpu_id][cache_level]) { 655 if (cpu_id < id || cpu_id >= id + size) 656 return 0; 657 658 first = (first == -1)?cpu_id:first; 659 last = cpu_id; 660 } 661 } 662 663 if (first == id && last == id + size) 664 return 1; 665 } 666 667 return 0; 668 } 669
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