On Mon, Apr 11, 2016 at 03:44:09PM +0300, Felipe Balbi wrote:
> Hi guys,
> 
> this patchset introduces support for threaded IRQs
> for host controllers drivers to use. Right now, only
> XHCI has been converted, but more drivers could
> easily be converted as well.
> 
> With this series we can, eventually, spend much less
> time with IRQs disabled. Note that, because we're
> masking XHCI's IRQs, we could run our thread
> handlers with IRQs enabled, but I haven't tested
> that yet.

Does it really benifit anything?  Do you have any measurements?  Why the
added work for no real need, and increased latency?

thanks,

greg k-h
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