diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 58a064296987..9dbaef44e8ec 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -607,8 +607,6 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data) } #endif -#define PT32_IEEE_IP 0x13c - static int do_ptrace(struct task_struct *child, long request, long addr, long data) { @@ -617,24 +615,6 @@ do_ptrace(struct task_struct *child, long request, long addr, long data) if (request == PTRACE_ATTACH) return ptrace_attach(child); - /* - * Special cases to get/store the ieee instructions pointer. - */ - if (child == current) { - if (request == PTRACE_PEEKUSR && addr == PT_IEEE_IP) - return peek_user(child, addr, data); - if (request == PTRACE_POKEUSR && addr == PT_IEEE_IP) - return poke_user(child, addr, data); -#ifdef CONFIG_COMPAT - if (request == PTRACE_PEEKUSR && - addr == PT32_IEEE_IP && test_thread_flag(TIF_31BIT)) - return peek_user_emu31(child, addr, data); - if (request == PTRACE_POKEUSR && - addr == PT32_IEEE_IP && test_thread_flag(TIF_31BIT)) - return poke_user_emu31(child, addr, data); -#endif - } - ret = ptrace_check_attach(child, request == PTRACE_KILL); if (ret < 0) return ret;