Re: [PATCH 4/4] ahci: switch from 'threaded' to 'hardirq' interrupt handling

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Hello, Mark.

On Mon, Nov 16, 2015 at 08:52:35AM -0500, Mark Lord wrote:
> >Let's remove it for now and do the conditional thing if anybody misses
> >it.  No need to keep around dead code proactively.
> 
> Aren't threaded IRQs there to improve overall system real-time response?
> If so, it would seem a step backwards to remove them completely,
> especially considering the low cost of maintaining them here.

For ahci, it was added without any justification.  It just came with
the MSI changes.  If there's any data indicating that this makes any
noticeable difference, it's easy to restore.

Thanks.

-- 
tejun
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