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authorOleg Nesterov <oleg@redhat.com>2009-06-17 16:27:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:03:49 -0700
commit48597760fad3d6a3e30a14241a3ce5ccb1a0e9bc (patch)
tree5081660166bf7e0412baf34de9901807a81d6f5c
parent9d35f8464dd51466e60447625784cf1740f03ff4 (diff)
ptrace: remove PT_DTRACE from arch/m32r
m32r: PTRACE_SINGLESTEP sets PT_DTRACE, it is never used except cleared after do_execve(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Hirokazu Takata <takata@linux-m32r.org> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/m32r/kernel/process.c5
-rw-r--r--arch/m32r/kernel/ptrace.c4
2 files changed, 0 insertions, 9 deletions
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 3e876f0baeb..67a01e1e428 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -302,11 +302,6 @@ asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv,
goto out;
error = do_execve(filename, uargv, uenvp, &regs);
- if (error == 0) {
- task_lock(current);
- current->ptrace &= ~PT_DTRACE;
- task_unlock(current);
- }
putname(filename);
out:
return error;
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 9aa615d3a5b..bf0abe9e1f7 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -676,10 +676,6 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
if (!valid_signal(data))
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- if ((child->ptrace & PT_DTRACE) == 0) {
- /* Spurious delayed TF traps may occur */
- child->ptrace |= PT_DTRACE;
- }
/* Compute next pc. */
pc = get_stack_long(child, PT_BPC);