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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-02-26 22:37:34 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-02-26 22:37:30 +0100
commit2c2df118a6440748e6fd71a510a66ee708c31494 (patch)
tree4e19684886c0c1e7261a1d68de9885302c0565f1 /arch/s390/kernel/machine_kexec.c
parentabd1ecf209b30a0ed43f0aae50f8b8ce1be2c3d1 (diff)
[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>
Diffstat (limited to 'arch/s390/kernel/machine_kexec.c')
-rw-r--r--arch/s390/kernel/machine_kexec.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 131d7ee8b416..a922d51df6bf 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -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);
+}