crc32vpm detection on Power7 incorrect (MariaDB-10.3)

$ uname -a Linux srv-001378 3.10.0-1160.31.1.el7.ppc64 #1 SMP Wed Jun 9 16:39:35 UTC 2021 ppc64 ppc64 ppc64 GNU/Linux $ lscpu Architecture: ppc64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Big Endian CPU(s): 56 On-line CPU(s) list: 0-55 Thread(s) per core: 4 Core(s) per socket: 1 Socket(s): 14 NUMA node(s): 4 Model: 2.1 (pvr 004a 0201) Model name: POWER7 (architected), altivec supported Hypervisor vendor: pHyp Virtualization type: para L1d cache: 32K L1i cache: 32K NUMA node0 CPU(s): 24-27,40-43 NUMA node1 CPU(s): 28-31,44-47 NUMA node2 CPU(s): 32-35,48-51 NUMA node3 CPU(s): 0-23,36-39,52-55 $ lsblk -a NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 350G 0 disk ├─sda1 8:1 0 4M 0 part ├─sda2 8:2 0 1G 0 part /boot └─sda3 8:3 0 349G 0 part   ├─centos-root 253:0 0 300G 0 lvm /   └─centos-swap 253:1 0 4G 0 lvm [SWAP] sr0 11:0 1 1024M 0 rom sr1 11:1 1 1024M 0 rom $ free -lht               total used free shared buff/cache available Mem: 107G 1,2G 105G 38M 1,3G 104G Low: 107G 2,5G 105G High: 0B 0B 0B Swap: 4,0G 0B 4,0G Total: 111G 1,2G 109G