From bba7fc0a21d76ef951cdac6d11896dc6b5a9ffa7 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 17 Jun 2009 16:27:25 -0700
Subject: ptrace: remove PT_DTRACE from avr32, mn10300, parisc, s390, sh,
 xtensa

avr32, mn10300, parisc, s390, sh, xtensa:

They never set PT_DTRACE, but clear it after do_execve().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Chris Zankel <chris@zankel.net>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/s390/kernel/process.c | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'arch/s390/kernel/process.c')

diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 355f7a3..5a43f27 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -266,9 +266,6 @@ SYSCALL_DEFINE0(vfork)
 
 asmlinkage void execve_tail(void)
 {
-	task_lock(current);
-	current->ptrace &= ~PT_DTRACE;
-	task_unlock(current);
 	current->thread.fp_regs.fpc = 0;
 	if (MACHINE_HAS_IEEE)
 		asm volatile("sfpc %0,%0" : : "d" (0));
-- 
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