From 2cfc5f9ce7f5e17553e84d36ea9563e677e369d1 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Tue, 2 Feb 2016 14:40:40 +0100
Subject: s390/xor: optimized xor routing using the XC instruction

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/include/asm/xor.h | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'arch/s390/include')

diff --git a/arch/s390/include/asm/xor.h b/arch/s390/include/asm/xor.h
index c82eb12a5b18..c988df744a70 100644
--- a/arch/s390/include/asm/xor.h
+++ b/arch/s390/include/asm/xor.h
@@ -1 +1,20 @@
-#include <asm-generic/xor.h>
+/*
+ * Optimited xor routines
+ *
+ * Copyright IBM Corp. 2016
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+#ifndef _ASM_S390_XOR_H
+#define _ASM_S390_XOR_H
+
+extern struct xor_block_template xor_block_xc;
+
+#undef XOR_TRY_TEMPLATES
+#define XOR_TRY_TEMPLATES				\
+do {							\
+	xor_speed(&xor_block_xc);			\
+} while (0)
+
+#define XOR_SELECT_TEMPLATE(FASTEST)	(&xor_block_xc)
+
+#endif /* _ASM_S390_XOR_H */
-- 
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