CONFIG_DEBUG_ENTRY is not available for the selected architecture x86.
Result is shown for architecture s390
Debug low-level entry code
configname: CONFIG_DEBUG_ENTRY
Linux Kernel Configuration
└─>Debug low-level entry code
In linux kernel since version 3.10 (release Date: 2013-06-30)
This option enables sanity checks in s390 low-level entry code.
Some of these sanity checks may slow down kernel entries and
exits or otherwise impact performance.
If unsure, say N.
Some of these sanity checks may slow down kernel entries and
exits or otherwise impact performance.
If unsure, say N.