Commit 48597760fad3d6a3e30a14241a3ce5ccb1a0e9bc

Authored by Oleg Nesterov
Committed by Linus Torvalds
1 parent 9d35f8464d

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>

Showing 2 changed files with 0 additions and 9 deletions Side-by-side Diff

arch/m32r/kernel/process.c
... ... @@ -302,11 +302,6 @@
302 302 goto out;
303 303  
304 304 error = do_execve(filename, uargv, uenvp, &regs);
305   - if (error == 0) {
306   - task_lock(current);
307   - current->ptrace &= ~PT_DTRACE;
308   - task_unlock(current);
309   - }
310 305 putname(filename);
311 306 out:
312 307 return error;
arch/m32r/kernel/ptrace.c
... ... @@ -676,10 +676,6 @@
676 676 if (!valid_signal(data))
677 677 break;
678 678 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
679   - if ((child->ptrace & PT_DTRACE) == 0) {
680   - /* Spurious delayed TF traps may occur */
681   - child->ptrace |= PT_DTRACE;
682   - }
683 679  
684 680 /* Compute next pc. */
685 681 pc = get_stack_long(child, PT_BPC);