2007-10-04 11:36:49

by Martin Schwidefsky

[permalink] [raw]
Subject: [patch 28/34] Use IPL CLEAR for reipl under z/VM

From: Michael Holzheu <[email protected]>

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 <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
---

arch/s390/kernel/ipl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Index: quilt-2.6/arch/s390/kernel/ipl.c
===================================================================
--- quilt-2.6.orig/arch/s390/kernel/ipl.c
+++ quilt-2.6/arch/s390/kernel/ipl.c
@@ -735,10 +735,10 @@ void do_reipl(void)
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;

--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.