Re: [PATCH] kernel BUG at sched.c:944! only with CONFIG_PREEMPT=y]

From: Robert Love (rml@tech9.net)
Date: Fri Sep 13 2002 - 02:40:25 EST


On Fri, 2002-09-13 at 03:36, Robert Love wrote:

> - if (unlikely(in_atomic()))
> - BUG();
> + if (unlikely(in_atomic() && preempt_count() != PREEMPT_ACTIVE)) {
> + printk(KERN_ERROR "schedule() called while non-atomic!\n");
> + show_stack(NULL);
> + }

Actually, looking at this again, we probably want to still BUG() if
in_interrupt() but _not_ if in_atomic().

        Robert Love

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