From 155af2f95f905c830688dd0ca7c7cac4107334fd Mon Sep 17 00:00:00 2001
From: Hans-Joachim Picht <hans@linux.vnet.ibm.com>
Date: Tue, 16 Jun 2009 10:30:52 +0200
Subject: [S390] s390: hibernation support for s390

This patch introduces the hibernation backend support to the
s390 architecture. Now it is possible to suspend a mainframe Linux
guest using the following command:

echo disk > /sys/power/state

Signed-off-by: Hans-Joachim Picht <hans@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/kernel/mem_detect.c | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)

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

diff --git a/arch/s390/kernel/mem_detect.c b/arch/s390/kernel/mem_detect.c
index 9872999c66d1..559af0d07878 100644
--- a/arch/s390/kernel/mem_detect.c
+++ b/arch/s390/kernel/mem_detect.c
@@ -1,6 +1,7 @@
 /*
- *    Copyright IBM Corp. 2008
- *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ * Copyright IBM Corp. 2008, 2009
+ *
+ * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
  */
 
 #include <linux/kernel.h>
@@ -9,20 +10,6 @@
 #include <asm/sclp.h>
 #include <asm/setup.h>
 
-static inline int tprot(unsigned long addr)
-{
-	int rc = -EFAULT;
-
-	asm volatile(
-		"	tprot	0(%1),0\n"
-		"0:	ipm	%0\n"
-		"	srl	%0,28\n"
-		"1:\n"
-		EX_TABLE(0b,1b)
-		: "+d" (rc) : "a" (addr) : "cc");
-	return rc;
-}
-
 #define ADDR2G (1ULL << 31)
 
 static void find_memory_chunks(struct mem_chunk chunk[])
-- 
cgit v1.2.3