[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [v3][PATCH 07/16] hvmloader/pci: skip reserved ranges
>>> On 17.06.15 at 10:26, <tiejun.chen@xxxxxxxxx> wrote: > Something hits me to generate another idea, > > #1. Still allocate all devices as before. > #2. Lookup all actual bars to check if they're conflicting RMRR > > We can skip these bars to keep zero. Then later it would make lookup easily. > > #3. Need to reallocate these conflicting bars. > #3.1 Trying to reallocate them with the remaining resources > #3.2 If the remaining resources aren't enough, we need to allocate them > from high_mem_resource. That's possible onyl for 64-bit BARs. > I just feel this way may be easy and better. And even, this way also can > help terminate the preexisting allocation failures, right? I think this complicates things rather than simplifying them: The more passes (and adjustments to previous settings) you do, the more error prone the whole logic will become. It may well be that you need to basically re-write what is there right now... Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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