diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/smp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 25762917e82..798fce50939 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -142,6 +142,11 @@ int smp_call_function (void (*func) (void *info), void *info, int retry, int i, cpus = num_online_cpus() - 1; int cpu = smp_processor_id(); + /* + * Can die spectacularly if this CPU isn't yet marked online + */ + BUG_ON(!cpu_online(cpu)); + if (!cpus) return 0; |