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Commit 0f7451ff authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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s390/ipl: use load normal for LPAR re-ipl 



Avoid clearing memory for CCW-type re-ipl within a logical
partition. This can save a significant amount of time if a logical
partition contains a lot of memory.

On the other hand we still clear memory if running within a second
level hypervisor, since the hypervisor can simply free all memory that
was used for the guest.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Acked-by: default avatarMichael Holzheu <holzheu@linux.vnet.ibm.com>
Reviewed-by: default avatarPeter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 6c22c986

arch/s390/kernel/ipl.c

+4 −1
Original line number Diff line number Diff line
@@ -1085,6 +1085,9 @@ static void __reipl_run(void *unused) 
		break;

	case REIPL_METHOD_CCW_DIAG:

		diag308(DIAG308_SET, reipl_block_ccw);

		if (MACHINE_IS_LPAR)

			diag308(DIAG308_DUMP, NULL);

		else

			diag308(DIAG308_IPL, NULL);

		break;

	case REIPL_METHOD_FCP_RW_DIAG: