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[PATCH] s390: kexec fixes and improvements.

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Disable pseudo page fault handling before starting the new kernel and try
to use diag308 to reset the machine.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens
2005-08-01 21:11:33 -07:00
committed by Linus Torvalds
parent 4374ae10e5
commit 5d3f229fcd
5 changed files with 109 additions and 5 deletions
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6
arch/s390/kernel/smp.c
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@@ -537,7 +537,8 @@ int __devinit start_secondary(void *cpuvoid)
#endif
#ifdef CONFIG_PFAULT
/* Enable pfault pseudo page faults on this cpu. */
pfault_init();
if (MACHINE_IS_VM)
pfault_init();
#endif
/* Mark this cpu as online */
cpu_set(smp_processor_id(), cpu_online_map);
@@ -690,7 +691,8 @@ __cpu_disable(void)
#ifdef CONFIG_PFAULT
/* Disable pfault pseudo page faults on this cpu. */
pfault_fini();
if (MACHINE_IS_VM)
pfault_fini();
#endif
/* disable all external interrupts */