Re: [PATCH 0/4] AHCI: Conserve interrupts withpci_enable_msi_block_part() interface

[Tejun Heo]

On Tue, Sep 03, 2013 at 09:55:41AM -0400, Tejun Heo wrote:
> Hmmm.... I've been looking at the code and and a curiosity.  Why does
> multiple MSI support implicitly enabled threaded IRQ handling?  Why
> are those two linked?  Also, do you have any numbers to show that this
> actually is better?  Handling the processing off to a thread isn't a
> light operation.

Also, it probably is a good idea to skip dummy ports when requesting
irqs from ahci_host_activate(), which BTW should probably be renamed
to ahci_host_activate_mmsi().

Thanks.

-- 
tejun
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