write to these files. Many common debugging facilities, such as
ftrace, require the existence of debugfs.
-# remove KERNEL_MIPS_FPU_EMULATOR after kernel 4.14 and 4.14 are gone
+# remove KERNEL_MIPS_FPU_EMULATOR after kernel 4.19 is gone
config KERNEL_MIPS_FPU_EMULATOR
bool "Compile the kernel with MIPS FPU Emulator"
default y if TARGET_pistachio