Messages in this thread | | | Date | Wed, 16 Feb 2005 08:11:43 -0800 | From | "David S. Miller" <> | Subject | Re: queue_work from interrupt Real time preemption2.6.11-rc2-RT-V0.7.37-03 |
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On Wed, 16 Feb 2005 06:16:45 +0100 Ingo Molnar <mingo@elte.hu> wrote:
> Maybe the networking > stack would break if we allowed the TIMER softirq (thread) to preempt > the NET softirq (threads) (and vice versa)?
The major assumption is that softirq's run indivisibly per-cpu. Otherwise the per-cpu queues of RX and TX packet work would get corrupted.
See net/core/dev.c:softnet_data - 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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