regset_fpregs_active 10 arch/x86/include/asm/fpu/regset.h extern user_regset_active_fn regset_fpregs_active, regset_xregset_fpregs_active; regset_fpregs_active 20 arch/x86/include/asm/fpu/regset.h #define xstateregs_active regset_fpregs_active regset_fpregs_active 1269 arch/x86/kernel/ptrace.c .active = regset_fpregs_active, .get = fpregs_get, .set = fpregs_set