do_emulate_mrs 640 arch/arm64/include/asm/cpufeature.h extern int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt); do_emulate_mrs 2206 arch/arm64/kernel/cpufeature.c return do_emulate_mrs(regs, sys_reg, rt); do_emulate_mrs 510 arch/arm64/kernel/traps.c if (do_emulate_mrs(regs, sysreg, rt) != 0)