From 941af343e2e25ff7afce43a3c7e2922643b8cd48 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Wed, 30 Apr 2008 13:38:49 +0200 Subject: [PATCH] [S390] use generic sys_ptrace After the PT_IEEE_IP hack has been removed s390 can now use the common code sys_ptrace function. Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/ptrace.c | 37 +------------------------------------ include/asm-s390/ptrace.h | 2 -- 2 files changed, 1 insertion(+), 38 deletions(-) diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 9dbaef44e8..7f42701637 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -607,18 +607,8 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data) } #endif -static int -do_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, long addr, long data) { - int ret; - - if (request == PTRACE_ATTACH) - return ptrace_attach(child); - - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - return ret; - switch (request) { case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ @@ -673,31 +663,6 @@ do_ptrace(struct task_struct *child, long request, long addr, long data) return -EIO; } -asmlinkage long -sys_ptrace(long request, long pid, long addr, long data) -{ - struct task_struct *child; - int ret; - - lock_kernel(); - if (request == PTRACE_TRACEME) { - ret = ptrace_traceme(); - goto out; - } - - child = ptrace_get_task_struct(pid); - if (IS_ERR(child)) { - ret = PTR_ERR(child); - goto out; - } - - ret = do_ptrace(child, request, addr, data); - put_task_struct(child); -out: - unlock_kernel(); - return ret; -} - asmlinkage void syscall_trace(struct pt_regs *regs, int entryexit) { diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h index 61f6952f2e..441d7c2608 100644 --- a/include/asm-s390/ptrace.h +++ b/include/asm-s390/ptrace.h @@ -463,8 +463,6 @@ struct user_regs_struct }; #ifdef __KERNEL__ -#define __ARCH_SYS_PTRACE 1 - /* * These are defined as per linux/ptrace.h, which see. */ -- 2.39.5