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-rw-r--r--arch/s390/kernel/setup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5ba5a5485da..5204778b8e5 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -261,8 +261,11 @@ void (*_machine_power_off)(void) = machine_power_off_smp;
* Reboot, halt and power_off routines for non SMP.
*/
extern void reipl(unsigned long devno);
+extern void reipl_diag(void);
static void do_machine_restart_nonsmp(char * __unused)
{
+ reipl_diag();
+
if (MACHINE_IS_VM)
cpcmd ("IPL", NULL, 0);
else
@@ -634,6 +637,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
struct cpuinfo_S390 *cpuinfo;
unsigned long n = (unsigned long) v - 1;
+ preempt_disable();
if (!n) {
seq_printf(m, "vendor_id : IBM/S390\n"
"# processors : %i\n"
@@ -658,6 +662,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
cpuinfo->cpu_id.ident,
cpuinfo->cpu_id.machine);
}
+ preempt_enable();
return 0;
}