From 0a2bb03fe20f81dc4cac96d7fe0e4194ae6efffd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Thu, 13 Aug 2015 01:32:17 -0300
Subject: Linux-libre 4.1.5-gnu

---
 arch/s390/kernel/sclp.S | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'arch/s390/kernel/sclp.S')

diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index 43c3169ea..ada0c07fe 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -270,6 +270,8 @@ ENTRY(_sclp_print_early)
 	jno	.Lesa2
 	ahi	%r15,-80
 	stmh	%r6,%r15,96(%r15)		# store upper register halves
+	basr	%r13,0
+	lmh	%r0,%r15,.Lzeroes-.(%r13)	# clear upper register halves
 .Lesa2:
 	lr	%r10,%r2			# save string pointer
 	lhi	%r2,0
@@ -291,6 +293,8 @@ ENTRY(_sclp_print_early)
 .Lesa3:
 	lm	%r6,%r15,120(%r15)		# restore registers
 	br	%r14
+.Lzeroes:
+	.fill	64,4,0
 
 .LwritedataS4:
 	.long	0x00760005			# SCLP command for write data
-- 
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