From 6b70a92080be508e16b2f53efba39e5155eff809 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Fri, 2 Nov 2012 12:56:43 +0100
Subject: s390/memory hotplug: use pfmf instruction to initialize storage keys

Move and rename init_storage_keys() to pageattr.c, so it can also be
used from the sclp memory hotplug code in order to initialize
storage keys.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/char/sclp_cmd.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

(limited to 'drivers/s390/char')

diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 71ea923c322d..0dfa88a30118 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -19,10 +19,11 @@
 #include <linux/memory.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <asm/ctl_reg.h>
 #include <asm/chpid.h>
-#include <asm/sclp.h>
 #include <asm/setup.h>
-#include <asm/ctl_reg.h>
+#include <asm/page.h>
+#include <asm/sclp.h>
 
 #include "sclp.h"
 
@@ -400,17 +401,15 @@ out:
 
 static int sclp_assign_storage(u16 rn)
 {
-	unsigned long long start, address;
+	unsigned long long start;
 	int rc;
 
 	rc = do_assign_storage(0x000d0001, rn);
 	if (rc)
-		goto out;
-	start = address = rn2addr(rn);
-	for (; address < start + rzm; address += PAGE_SIZE)
-		page_set_storage_key(address, PAGE_DEFAULT_KEY, 0);
-out:
-	return rc;
+		return rc;
+	start = rn2addr(rn);
+	storage_key_init_range(start, start + rzm);
+	return 0;
 }
 
 static int sclp_unassign_storage(u16 rn)
-- 
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