Disable host haltpoll when loading haltpoll driver
configname: CONFIG_ARCH_CPUIDLE_HALTPOLL
Linux Kernel Configuration
└─>Processor type and features
└─>Linux guest support
└─>Disable host haltpoll when loading haltpoll driver
In linux kernel since version 5.1 (release Date: 2019-05-05)
If virtualized under KVM, disable host haltpoll.