Messages in this thread | | | Date | Mon, 31 May 2004 17:50:50 +1000 | From | Nick Piggin <> | Subject | Re: 2.6.7-rc2 mismatched preempt count in arch/i386/kernel/irq.c |
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Keith Owens wrote: > 2.6.7-rc2 (and earlier) arch/i386/kernel/irq.c::do_IRQ() calls > irq_exit() which expands into preempt_enable_no_resched(), amongst > others. With CONFIG_PREEMPT=y, preempt_enable_no_resched() does > dec_preempt_count(). Where is the corresponding inc_preempt_count? > AFAICT the use of preempt_enable_no_resched() is unbalanced. >
If preempt is enabled, IRQ_EXIT_OFFSET is HARDIRQ_OFFSET-1.
I believe that is where the preempt_enable_no_resched is balanced. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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