Symbol: EFER_FFXSR
sys/cpu/x86_64/include/specialreg.h
863
#define EFER_FFXSR 0x00004000 /* Fast FXSAVE/FXRSTOR Enable */
sys/dev/virtual/nvmm/x86/nvmm_x86.h
715
#define EFER_FFXSR __BIT(14) /* Fast FXSAVE/FXRSTOR Enable */