Debug the x86 FPU code

configname: CONFIG_X86_DEBUG_FPU

Linux Kernel Configuration
└─>Kernel hacking
└─>$(SRCARCH) Debugging
└─>Debug the x86 FPU code
In linux kernel since version 4.1 (release Date: 2015-06-21)  
If this option is enabled then there will be extra sanity
checks and (boot time) debug printouts added to the kernel.
This debugging adds some small amount of runtime overhead
to the kernel.

If unsure, say N.