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d="scan'208";a="2872114" Received: from igk-lkp-server01.igk.intel.com (HELO 3c253b998be3) ([10.211.93.152]) by orviesa009.jf.intel.com with ESMTP; 20 Oct 2026 10:24:21 -0700 Received: from kbuild by 3c253b998be3 with local (Exim 4.98.2) (envelope-from ) id 1xJDZT-000000006Ol-0K5r; Tue, 20 Oct 2026 17:24:19 +0000 Date: Tue, 20 Oct 2026 19:23:35 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Julia Lawall Subject: [lindholm-alpha:for-linus 57/57] arch/alpha/kernel/err_tsunami.c:653:22-23: WARNING opportunity for min() Message-ID: <202610201902.6BG70hxk-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: Magnus Lindholm CC: Matt Turner tree: https://git.kernel.org/pub/scm/linux/kernel/git/lindholm/alpha.git for-linus head: 71cf9644bcb35e686c3e12a703325335a0925946 commit: 71cf9644bcb35e686c3e12a703325335a0925946 [57/57] alpha: add bounded Clipper console-log scanning :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: alpha-randconfig-r2105-20261020 (https://download.01.org/0day-ci/archive/20261020/202610201902.6BG70hxk-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 12.5.0 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 | Reported-by: Julia Lawall | Closes: https://lore.kernel.org/r/202610201902.6BG70hxk-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> arch/alpha/kernel/err_tsunami.c:653:22-23: WARNING opportunity for min() vim +653 arch/alpha/kernel/err_tsunami.c 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 647 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 648 static void __init 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 649 tsunami_console_data_log(int cpu, struct percpu_struct *pcpu) 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 650 { 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 651 unsigned char *data = (void *)(IDENT_ADDR | pcpu->console_data_log_pa); 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 652 size_t length = pcpu->console_data_log_length; 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 @653 size_t dump = length < 1024 ? length : 1024; 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 654 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 655 printk("%sConsole data log for CPU %d (%zu bytes):\n", 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 656 err_print_prefix, cpu, length); 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 657 if (!(pcpu->console_data_log_pa & 7) && 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 658 length <= ~0UL - (unsigned long)data && 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 659 tsunami_console_log(data, length)) { 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 660 /* Acknowledge only after reaching a valid termination packet. */ 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 661 pcpu->console_data_log_pa = 0; 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 662 return; 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 663 } 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 664 printk("%s Incomplete console log; retaining firmware pointer\n", 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 665 err_print_prefix); 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 666 /* Byte reads preserve partial headers without rounding beyond length. */ 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 667 if (dump > ~0UL - (unsigned long)data) 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 668 return; 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 669 print_hex_dump(err_print_prefix, " ", DUMP_PREFIX_OFFSET, 16, 1, 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 670 data, dump, false); 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 671 if (dump < length) 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 672 printk("%s Raw console log truncated to %zu bytes\n", 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 673 err_print_prefix, dump); 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 674 } 71cf9644bcb35e6 Magnus Lindholm 2026-10-14 675 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki