CONFIG_PPC_SPLPAR is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
Support for shared-processor logical partitions
modulename: vphn.ko
configname: CONFIG_PPC_SPLPAR
Linux Kernel Configuration
└─>Support for shared-processor logical partitions
In linux kernel since version 2.6.15 (release Date: 2006-01-02)
Enabling this option will make the kernel run more efficiently
on logically-partitioned pSeries systems which use shared
processors, that is, which share physical processors between
two or more partitions.
on logically-partitioned pSeries systems which use shared
processors, that is, which share physical processors between
two or more partitions.