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-rw-r--r--arch/powerpc/kernel/smp.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index cbdbb14be4b..b6083f4f39b 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -95,7 +95,7 @@ int smt_enabled_at_boot = 1;
static void (*crash_ipi_function_ptr)(struct pt_regs *) = NULL;
#ifdef CONFIG_PPC64
-void __devinit smp_generic_kick_cpu(int nr)
+int __devinit smp_generic_kick_cpu(int nr)
{
BUG_ON(nr < 0 || nr >= NR_CPUS);
@@ -106,6 +106,8 @@ void __devinit smp_generic_kick_cpu(int nr)
*/
paca[nr].cpu_start = 1;
smp_mb();
+
+ return 0;
}
#endif
@@ -434,7 +436,11 @@ int __cpuinit __cpu_up(unsigned int cpu)
/* wake up cpus */
DBG("smp: kicking cpu %d\n", cpu);
- smp_ops->kick_cpu(cpu);
+ rc = smp_ops->kick_cpu(cpu);
+ if (rc) {
+ pr_err("smp: failed starting cpu %d (rc %d)\n", cpu, rc);
+ return rc;
+ }
/*
* wait to see if the cpu made a callin (is actually up).