On Sat, 2013-10-05 at 16:20 +0200, Alexander Gordeev wrote: > So my point is - drivers should first obtain a number of MSIs they *can* > get, then *derive* a number of MSIs the device is fine with and only then > request that number. Not terribly different from memory or any other type > of resource allocation ;) What if the limit is for a group of devices ? Your interface is racy in that case, another driver could have eaten into the limit in between the calls. Ben.
