On Thu, Sep 26, 2013 at 12:34:36PM +0100, David Laight wrote:
> I was thinking that the first call would be done during driver probe
> (assuming such a time exists) so that the subsystem could determine
> how many interrupts all the drivers would like, so it can then
> hand out a smaller number to some of the early drivers in order
> to have some left to satisfy the minimum requirement of later
> ones.
>
> So all it would do is sum the requirements of all the drivers.
It is already implemented - please see commit 448e2ca ("powerpc/pseries:
Implement a quota system for MSIs")
All other archs do not have MSI vector space limitations.
> David
--
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
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