From bd45fc2640d6a8e4f0fc5b3bce2454a0c3134f08 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 21 Oct 2012 22:33:39 -0400
Subject: [PATCH] --- yaml --- r: 340319 b: refs/heads/master c:
 ab75819d3942a34d151a34fd43f346d5d8a48148 h: refs/heads/master i:   340317:
 31e5e6982ac21a46ee9061b27ed5ee102b974a78   340315:
 9c01d993c65f7d3516d6ae00465565154b7722ef   340311:
 8bfdb4ba016d5b2cc415ce516c5697feaa04f83f   340303:
 3bbd355d5d3ec005b052bf153116222b07da7c9d   340287:
 ffdbc6b767e429da6524768c7a4ddbae0bd0bde6 v: v3

---
 [refs]                              | 2 +-
 trunk/arch/powerpc/kernel/process.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 27477119eec0..3e2331616499 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ea516b11545afa5b1420621981c1411a62bef87e
+refs/heads/master: ab75819d3942a34d151a34fd43f346d5d8a48148
diff --git a/trunk/arch/powerpc/kernel/process.c b/trunk/arch/powerpc/kernel/process.c
index 3665d287780f..f6d244db9203 100644
--- a/trunk/arch/powerpc/kernel/process.c
+++ b/trunk/arch/powerpc/kernel/process.c
@@ -745,7 +745,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 	/* Copy registers */
 	sp -= sizeof(struct pt_regs);
 	childregs = (struct pt_regs *) sp;
-	if (!regs) {
+	if (unlikely(p->flags & PF_KTHREAD)) {
 		struct thread_info *ti = (void *)task_stack_page(p);
 		memset(childregs, 0, sizeof(struct pt_regs));
 		childregs->gpr[1] = sp + sizeof(struct pt_regs);