Steven Rostedt wrote:
> On Thu, 4 Sep 2008, Gregory Haskins wrote:
>
>> diff --git a/kernel/sched.c b/kernel/sched.c
>> index af4c6fa..ddc3877 100644
>> --- a/kernel/sched.c
>> +++ b/kernel/sched.c
>> @@ -2525,6 +2525,14 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev)
>> {
>> struct mm_struct *mm = rq->prev_mm;
>> long prev_state;
>> +#ifdef CONFIG_SMP
>> + int post_schedule = 0;
>> +
>> + if (current->sched_class->needs_post_schedule) {
>> + BUG_ON(!current->sched_class->post_schedule);
>>
>
> The only one to ever hit this BUG_ON is a kernel developer creating a new
> sched class. Since they should be smart enough to figure out why they get
> a segv later on, we really don't need it. Because this BUG_ON is also in
> a hot path, I strongly suggest nuking it.
>
Ack. Will do a respin after you review the last few patches.
-Greg
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