Steven Rostedt wrote:
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> On Thu, 4 Sep 2008, Gregory Haskins wrote:
>  =20
>> 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, s=
truct task_struct *prev)
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>>  {
>>  	struct mm_struct *mm =3D rq->prev_mm;
>>  	long prev_state;
>> +#ifdef CONFIG_SMP
>> +	int post_schedule =3D 0;
>> +
>> +	if (current->sched_class->needs_post_schedule) {
>> +		BUG_ON(!current->sched_class->post_schedule);
>>    =20
>
> The only one to ever hit this BUG_ON is a kernel developer creating a n=
ew
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> sched class. Since they should be smart enough to figure out why they g=
et=20
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> a segv later on, we really don't need it. Because this BUG_ON is also i=
n=20
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> a hot path, I strongly suggest nuking it.
>  =20
Ack.  Will do a respin after you review the last few patches.

-Greg