rseq_syscall 722 arch/arm/kernel/signal.c rseq_syscall(regs); rseq_syscall 1863 arch/arm64/kernel/ptrace.c rseq_syscall(regs); rseq_syscall 264 arch/x86/entry/common.c rseq_syscall(regs); rseq_syscall 1978 include/linux/sched.h void rseq_syscall(struct pt_regs *regs);