[S390] Use IPL CLEAR for reipl under z/VM
If we use the CLEAR ipl option, reipl is faster, since then VM can release
the memory, which has been paged out.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 8b8f136..66b5190 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -735,10 +735,10 @@
case REIPL_METHOD_CCW_VM:
reipl_get_ascii_loadparm(loadparm);
if (strlen(loadparm) == 0)
- sprintf(buf, "IPL %X",
+ sprintf(buf, "IPL %X CLEAR",
reipl_block_ccw->ipl_info.ccw.devno);
else
- sprintf(buf, "IPL %X LOADPARM '%s'",
+ sprintf(buf, "IPL %X CLEAR LOADPARM '%s'",
reipl_block_ccw->ipl_info.ccw.devno, loadparm);
__cpcmd(buf, NULL, 0, NULL);
break;