USER_XSTATE_FX_SW_WORDS   45 arch/x86/include/asm/fpu/xstate.h extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];
USER_XSTATE_FX_SW_WORDS   57 arch/x86/include/asm/user.h 		__u64 xstate_fx_sw[USER_XSTATE_FX_SW_WORDS];
USER_XSTATE_FX_SW_WORDS 1309 arch/x86/kernel/ptrace.c u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];