tree: https://github.com/ceph/ceph-client.git tls_logger head: b980c3ea5fcc54aa543fd5e96212b7fb892d42a5 commit: 764e50ba296da76e7332d2d08223d3e484aea2b3 [3/5] tls: adding an allocation histogram config: arc-randconfig-001-20250302 (https://download.01.org/0day-ci/archive/20250302/202503020506.Qrxa9ubO-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250302/202503020506.Qrxa9ubO-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/202503020506.Qrxa9ubO-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): net/ceph/ceph_san.c: In function 'log_cephsan': >> net/ceph/ceph_san.c:29:34: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses] 29 | int head_idx = tls->head_idx + 1 & (CEPH_SAN_MAX_LOGS - 1); | ~~~~~~~~~~~~~~^~~ vim +29 net/ceph/ceph_san.c 15 16 17 static inline void *cephsan_pagefrag_get_ptr(struct cephsan_pagefrag *pf, u64 val); 18 /* The definitions for struct ceph_san_log_entry and struct ceph_san_tls_logger 19 * have been moved to cephsan.h (under CONFIG_DEBUG_FS) to avoid duplication. 20 */ 21 22 void log_cephsan(char *buf) { 23 /* Use the per-core TLS logger */ 24 u64 buf_idx; 25 int len = strlen(buf); 26 struct ceph_san_tls_logger *tls = this_cpu_ptr(&ceph_san_tls); 27 struct cephsan_pagefrag *pf = this_cpu_ptr(&ceph_san_pagefrag); 28 > 29 int head_idx = tls->head_idx + 1 & (CEPH_SAN_MAX_LOGS - 1); 30 int pre_len = tls->logs[head_idx].len; 31 32 buf[len-1] = '\0'; 33 tls->logs[head_idx].pid = current->pid; 34 tls->logs[head_idx].ts = jiffies; 35 memcpy(tls->logs[head_idx].comm, current->comm, TASK_COMM_LEN); 36 37 cephsan_pagefrag_free(pf, pre_len); 38 tls->logs[head_idx].len = 0; 39 40 buf_idx = cephsan_pagefrag_alloc(pf, len); 41 if (buf_idx) { 42 tls->head_idx = head_idx; 43 tls->histogram.counters[len >> 3]++; 44 tls->logs[head_idx].len = len; 45 tls->logs[head_idx].buf = cephsan_pagefrag_get_ptr(pf, buf_idx); 46 memcpy(tls->logs[head_idx].buf, buf, len); 47 } 48 } 49 EXPORT_SYMBOL(log_cephsan); 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
