[S390] smp: always reboot on cpu 0
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>
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 131d7ee..a922d51 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -54,11 +54,11 @@
{
}
-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 @@
(*data_mover)(&image->head, image->start);
for (;;);
}
+
+void machine_kexec(struct kimage *image)
+{
+ smp_send_stop();
+ smp_switch_to_ipl_cpu(__machine_kexec, image);
+}