Re: [Xen-devel] [v7][PATCH 06/16] hvmloader/pci: skip reserved ranges

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 14.07.15 at 12:54, <tiejun.chen@xxxxxxxxx> wrote:
>>> I think bitmap mechanism is a good idea but honestly, its not easy to
>>> cover all requirements here. And just like bootmem on Linux side, so its
>>> a little complicated to implement this entirely. So I prefer not to
>>> introduce this way in current phase.
>>
>> I'm afraid it's going to be hard to convince me of any approaches
>> further complicating the current mechanism instead of overhauling
>> it.
> 
> I agree we'd better overhaul this since we already found something 
> unreasonable here. But one or two weeks is really not enough to fix this 
> with a bitmap framework, and although a bitmap can make mmio allocation 
> better, but more complicated if we just want to allocate PCI mmio.
> 
> So could we do this next? I just feel if you'd like to pay more time 
> help me refine our current solution, its relatively realistic to this 
> case :) And then we can go into bitmap in details or work out a better 
> solution in sufficient time slot.

Looking at how long it took to get here (wasn't this series originally
even meant to go into 4.5?) and how much time I already spent
reviewing all the previous versions, I don't see a point in wasting
even more time on working out details of an approach that's getting
too complex/ugly already anyway.

Jan


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