Intel In Field Scan (IFS) is a hardware feature to run circuit level tests on a CPU core to detect problems that are not caught by parity or ECC checks. This is to add IFS SAF(Scan At Field) & Array BIST support for GNR & SRF platforms.
The PR Link: https://gitee.com/anolis/anck-next/pulls/41
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/2688