On Wed, May 22, 2013 at 9:59 AM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > We try must+optional as first, then if there is any ioport or mmio fail > we will stick to must only then extend must to meet optional. > but mmio range and mmio-pref could be connected each other, > so extend will fail... > > problem here, some root bus will not have ioport range, so it will always have > ioport allocation fail. > > looks like right fix for v3.9 should be as attached patch. > it will keep must+optional for mmio, if only ioport fails.... looks like i missed change to realloc_head list. Ben/Shan, can you check attached v2? thanks Yinghai
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root_bus_ioport_skip_9_v2.patch
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