From 58254e1002a82eb383c5977ad9fd5a451b91fe29 Mon Sep 17 00:00:00 2001
From: Al Viro
Date: Wed, 12 Sep 2012 18:32:42 -0400
Subject: powerpc: split ret_from_fork

... and get rid of in-kernel syscalls in kernel_thread()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/powerpc/kernel/entry_64.S | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'arch/powerpc/kernel/entry_64.S')

diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index b40e0b4815b3..d7f4fafc7515 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -370,6 +370,16 @@ _GLOBAL(ret_from_fork)
 	li	r3,0
 	b	syscall_exit
 
+_GLOBAL(ret_from_kernel_thread)
+	bl	.schedule_tail
+	REST_NVGPRS(r1)
+	REST_GPR(2,r1)
+	mtlr	r14
+	mr	r3,r15
+	blrl
+	li	r3,0
+	b	.do_exit	# no return
+
 	.section	".toc","aw"
 DSCR_DEFAULT:
 	.tc dscr_default[TC],dscr_default
-- 
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