CONFIG_BLK_DEV_SIMDISK is not available for thedefaultarchitecture x86.
Result is shown for architecture xtensa
Host file-based simulated block device support
modulename: simdisk.ko
configname: CONFIG_BLK_DEV_SIMDISK
Linux Kernel Configuration
└─>Platform options
└─>Host file-based simulated block device support
In linux kernel since version 3.1 (release Date: 2011-10-24)
Create block devices that map to files in the host file system.
Device binding to host file may be changed at runtime via proc
interface provided the device is not in use.
Device binding to host file may be changed at runtime via proc
interface provided the device is not in use.