From: Michael Holzheu <holzheu@de.ibm.com>
Date: Fri, 12 Oct 2007 14:11:42 +0000 (+0200)
Subject: [S390] Use IPL CLEAR for reipl under z/VM
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6517156cd0225d666f53ecaf49b5b4784b0df8b6;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[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 8b8f136d9cc7..66b51901c87d 100644
--- a/arch/s390/kernel/ipl.c
+++ b/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;