Re: 2.6.17-rc6-mm1

[Stefan Richter]

Chris Wright wrote:
> * Stefan Richter (stefanr@xxxxxxxxxxxxxxxxx) wrote:
> > The pending_packet_queue is only accessed from within 
> > drivers/ieee1394/ieee1394_core.c, and only via net/core/skbuff.c's 
> > access functions for queueing/ dequeueing/ queuewalking. Or am I missing 
> > something?
>
> Quick grep show following two irq handlers as examples:
>
> ohci_irq_handler() | lynx_irq_handler()
>   hpsb_bus_reset()
>     abort_requests()
>       skb_dequeue()
>         spin_lock_irqsave()
>     
> That spin_lock is called directly from within irq handler.

Yes, definitely. What I wanted to reassure myself about was rather that 
no other net/ code besides skbuff.c's touches this queue. IOW only the 
ieee1394 low and mid layer control the contexts within which the queue 
lock is used.
--
Stefan Richter
-=====-=-==- -==- -=---
http://arcgraph.de/sr/
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