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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-11-02 12:56:43 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-11-23 11:14:30 +0100
commit6b70a92080be508e16b2f53efba39e5155eff809 (patch)
treea8bce16cd2f31284a392b29b4054230afce87168 /drivers/s390/char
parent1e466fcf3882e4c17c7df918185d0069cc334811 (diff)
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>
Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/sclp_cmd.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 71ea923c322..0dfa88a3011 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)