Re: [RFCv2 00/10] xhci: re-work command queue management

[Dan Williams]

On Wed, Feb 5, 2014 at 9:05 AM, David Laight <David.Laight@xxxxxxxxxx> wrote:
> From: Dan Williams
>> Yes, but I think we need to centralize the context under which
>> commands are submitted.  The complicating factor is the mix of
>> synchronous command submission and interrupt driven asynchronous
>> command queuing.  I think we can simplify it by making it all
>> submitted from a single event queue context.  I'm investigating if
>> that is a workable solution...
>
> Given that the entire network stack runs from (I believe) 'process level'
> contexts (NAPI functions),

Not really.  Much of the network stack runs under softirq context.
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