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Diffstat (limited to 'arch/s390/kernel/machine_kexec.c')
-rw-r--r--arch/s390/kernel/machine_kexec.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 4685337fa7c6..fb0901ec4306 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -103,21 +103,18 @@ static int __init machine_kdump_pm_init(void)
return 0;
}
arch_initcall(machine_kdump_pm_init);
-#endif
/*
* Start kdump: We expect here that a store status has been done on our CPU
*/
static void __do_machine_kdump(void *image)
{
-#ifdef CONFIG_CRASH_DUMP
int (*start_kdump)(int) = (void *)((struct kimage *) image)->start;
- setup_regs();
__load_psw_mask(PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA);
start_kdump(1);
-#endif
}
+#endif
/*
* Check if kdump checksums are valid: We call purgatory with parameter "0"
@@ -249,18 +246,18 @@ static void __do_machine_kexec(void *data)
*/
static void __machine_kexec(void *data)
{
- struct kimage *image = data;
-
__arch_local_irq_stosm(0x04); /* enable DAT */
pfault_fini();
tracing_off();
debug_locks_off();
- if (image->type == KEXEC_TYPE_CRASH) {
+#ifdef CONFIG_CRASH_DUMP
+ if (((struct kimage *) data)->type == KEXEC_TYPE_CRASH) {
+
lgr_info_log();
- s390_reset_system(__do_machine_kdump, data);
- } else {
- s390_reset_system(__do_machine_kexec, data);
- }
+ s390_reset_system(setup_regs, __do_machine_kdump, data);
+ } else
+#endif
+ s390_reset_system(NULL, __do_machine_kexec, data);
disabled_wait((unsigned long) __builtin_return_address(0));
}