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[S390] smp: always reboot on cpu 0

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Always reboot on logical cpu 0. This makes sure that the IPL cpu is
always the same and usually avoids strange numbering schemes between
physical and logical cpus.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2010-02-26 22:37:34 +01:00
committed by Martin Schwidefsky
parent abd1ecf209
commit 2c2df118a6
7 changed files with 191 additions and 11 deletions
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10
arch/s390/kernel/machine_kexec.c
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@@ -54,11 +54,11 @@ void machine_shutdown(void)
{
}
void machine_kexec(struct kimage *image)
static void __machine_kexec(void *data)
{
relocate_kernel_t data_mover;
struct kimage *image = data;
smp_send_stop();
pfault_fini();
s390_reset_system();
@@ -68,3 +68,9 @@ void machine_kexec(struct kimage *image)
(*data_mover)(&image->head, image->start);
for (;;);
}
void machine_kexec(struct kimage *image)
{
smp_send_stop();
smp_switch_to_ipl_cpu(__machine_kexec, image);
}