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-rw-r--r--arch/powerpc/kernel/ptrace32.c33
-rw-r--r--include/asm-powerpc/ptrace.h2
2 files changed, 7 insertions, 28 deletions
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 6612304e11e..0f6eea086a2 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -85,33 +85,13 @@ static long compat_ptrace_old(struct task_struct *child, long request,
return ret;
}
-long compat_sys_ptrace(int request, int pid, unsigned long addr,
- unsigned long data)
+long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
+ compat_ulong_t caddr, compat_ulong_t cdata)
{
- struct task_struct *child;
+ unsigned long addr = caddr;
+ unsigned long data = cdata;
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;
- }
-
- if (request == PTRACE_ATTACH) {
- ret = ptrace_attach(child);
- goto out_tsk;
- }
-
- ret = ptrace_check_attach(child, request == PTRACE_KILL);
- if (ret < 0)
- goto out_tsk;
-
switch (request) {
/*
* Read 4 bytes of the other process' storage
@@ -375,9 +355,6 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr,
ret = compat_ptrace_request(child, request, addr, data);
break;
}
-out_tsk:
- put_task_struct(child);
-out:
- unlock_kernel();
+
return ret;
}
diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h
index ffc150f602b..891d68932f3 100644
--- a/include/asm-powerpc/ptrace.h
+++ b/include/asm-powerpc/ptrace.h
@@ -55,6 +55,8 @@ struct pt_regs {
#ifdef __powerpc64__
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
/* Size of dummy stack frame allocated when calling signal handler. */