On Wed, Sep 25, 2013 at 12:02:20PM -0600, Bjorn Helgaas wrote:
> On Fri, Sep 20, 2013 at 07:27:36AM -0500, Tejun Heo wrote:
> > On Fri, Sep 20, 2013 at 10:24:59AM +0200, Alexander Gordeev wrote:
> > > * Make pci_enable_msix() return 0/-errno
> >
> > My choice would be this one.
>
> I agree; it sounds like you've identified several bugs related to the
> current confusing interface, so fixing that seems like the first step.
Yeah, I am trying to. Turns out to be a nice exercise ;)
> I hope we can avoid adding a plethora of interfaces to address unusual
> corner cases. But if we do the above and it turns out not to be enough,
> we can always extend it later.
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.
> Bjorn
--
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
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