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Sat, 24 May 2025 15:45:22 +0000 (GMT) Message-ID: <4ed46786-7b9c-43ef-87e7-42c4f10b07c7@linux.ibm.com> Date: Sat, 24 May 2025 21:15:22 +0530 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 4/5] sched/core: Push current task when cpu is parked To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev References: <20250523181448.3777233-5-sshegde@linux.ibm.com> <202505241517.5L95fW8h-lkp@intel.com> From: Shrikanth Hegde Content-Language: en-US In-Reply-To: <202505241517.5L95fW8h-lkp@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=AOOMbaiN c=1 sm=1 tr=0 ts=6831e996 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=anyJmfQTAAAA:8 a=NEAV23lmAAAA:8 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=i3X5FwGiAAAA:8 a=QyXUC8HyAAAA:8 a=o-2g_wVk12G3IjXy7ngA:9 a=QEXdDO2ut3YA:10 a=mmqRlSCDY2ywfjPLJ4af:22 X-Proofpoint-ORIG-GUID: 7EpGPlVyKEgawakWUtZgxEZFppaWJuJK X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTI0MDE0MiBTYWx0ZWRfXwfDDXNMZG/qw NwjVrnxN8JtE9AtABqNQpfStpyKGRL14JqucW9/pMEOrPAm4DkuqEXM7wvU15B3E3cRIiftCwxc B6xrDPwBRD4xD+UJN/7qxPUyHkuzg46tdizkW8feRrzGtOEqjKH8KFKeojJeZPrFGsQ/5kx4eA5 a6HLOeGVUWZUyxAOIIhRzPmTocGIzpGw3YbG9b8wgxT5+CtgQVXyRsTJ//omosy8HmkLSv9SwIw J2c6uqaTvk+EWbJPaIMB90mT5FXcSWa0GaByd1hihs1pbeh99vsxU8dJneXd4C2C6lrp3DuwkuA uRXdIR7IopUfPogEaKybcWseNUTa8kHPkWBQJb+mfA597BNffn3+dZgri+oMxip3NkzGnHi34tp smXB4efw8C3E6kYHMKJazWPHAUVc9DR8WhcQG7Fgc0RHVuy7X7/+6q/A2jbtRJLTI+xhPGEx X-Proofpoint-GUID: 7EpGPlVyKEgawakWUtZgxEZFppaWJuJK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-24_06,2025-05-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 adultscore=0 bulkscore=0 mlxscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 malwarescore=0 lowpriorityscore=0 phishscore=0 clxscore=1011 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505240142 On 5/24/25 13:09, kernel test robot wrote: > Hi Shrikanth, > > [This is a private test report for your RFC patch.] > kernel test robot noticed the following build errors: > > [auto build test ERROR on tip/sched/core] > [also build test ERROR on powerpc/next powerpc/fixes peterz-queue/sched/core linus/master tip/smp/core v6.15-rc7 next-20250523] > [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/Shrikanth-Hegde/cpumask-Introduce-cpu-parked-mask/20250524-021851 > base: tip/sched/core > patch link: https://lore.kernel.org/r/20250523181448.3777233-5-sshegde%40linux.ibm.com > patch subject: [RFC PATCH 4/5] sched/core: Push current task when cpu is parked > config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20250524/202505241517.5L95fW8h-lkp@intel.com/config) > compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505241517.5L95fW8h-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 > | Closes: https://lore.kernel.org/oe-kbuild-all/202505241517.5L95fW8h-lkp@intel.com/ > > All errors (new ones prefixed by >>): > Thanks for the report. This is due to NR_CPUS=1. will get this fixed in v2. >>> kernel/sched/core.c:5660:6: error: call to undeclared function 'cpu_parked'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 5660 | if (cpu_parked(cpu)) > | ^ > kernel/sched/core.c:7667:12: warning: array index -1 is before the beginning of the array [-Warray-bounds] > 7667 | preempt_modes[preempt_dynamic_mode] : "undef", > | ^ ~~~~~~~~~~~~~~~~~~~~ > kernel/sched/core.c:7642:1: note: array 'preempt_modes' declared here > 7642 | const char *preempt_modes[] = { > | ^ > 1 warning and 1 error generated. > >