[S390] ptrace: use common code for simple peek/poke operations (07805ac8) · Commits · 戴 / test

arch/s390/kernel/ptrace.c

+4 −15

Original line number	Diff line number	Diff line
		@@ -339,24 +339,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
		int copied, ret;

		switch (request) {
		case PTRACE_PEEKTEXT:
		case PTRACE_PEEKDATA:
		/* Remove high order bit from address (only for 31 bit). */
		addr &= PSW_ADDR_INSN;
		/* read word at location addr. */
		return generic_ptrace_peekdata(child, addr, data);

		case PTRACE_PEEKUSR:
		/* read the word at location addr in the USER area. */
		return peek_user(child, addr, data);

		case PTRACE_POKETEXT:
		case PTRACE_POKEDATA:
		/* Remove high order bit from address (only for 31 bit). */
		addr &= PSW_ADDR_INSN;
		/* write the word at location addr. */
		return generic_ptrace_pokedata(child, addr, data);

		case PTRACE_POKEUSR:
		/* write the word at location addr in the USER area */
		return poke_user(child, addr, data);
		@@ -386,9 +372,12 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
		copied += sizeof(unsigned long);
		}
		return 0;
		}
		default:
		/* Removing high order bit from addr (only for 31 bit). */
		addr &= PSW_ADDR_INSN;
		return ptrace_request(child, request, addr, data);
		}
		}

		#ifdef CONFIG_COMPAT
		/*