[PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi_cap() interface

[Tejun Heo]

Hello,

On Wed, Sep 25, 2013 at 10:58:05PM +0200, Alexander Gordeev wrote:
> Unfortunately, pSeries is a shows-topper here :( It seems we have to
> introduce pci_get_msi{,x}_limit() interfaces to honour the quota
> thing.  I just hope the hardware set for pSeries is limited and we
> won't need to use it for all drivers.

Can you please go into a bit of detail on that?  Why does it matter?
Is it because you're worried you might cause performance regression by
forcing prevoius partial multiple allocations to single interrupt
operation?

Thanks.

-- 
tejun