Re: [Xen-devel] [RFC][PATCH 04/13] tools/libxl: detect and avoid conflicts with RDM

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, May 19, 2015 at 01:32:27AM +0000, Tian, Kevin wrote:
> > From: Wei Liu [mailto:wei.liu2@xxxxxxxxxx]
> > Sent: Tuesday, May 19, 2015 4:00 AM
> > 

[...]

> > 
> > Yes, but this policy is hardcoded in code (as in, you bail when
> > detecting conflict in highmem region). I don't think we have the
> > expertise to un-hardcode it in the future (it might require x86 specific
> > insider information and specific hardware to test). So I would like to
> > make it as future proof as possible.
> > 
> > I know you're limited by hvm_info. I would accept this hardcoded policy
> > as short term solution, but I would like commitment from Intel to
> > maintain this piece of code and properly work out a flexible solution to
> > deal with >4G case.
> > 
> 
> We made this simplification by balancing implementation complexity and
> real-world possibility. Yes Intel will commit to maintain it if future 
> platform
> does break this assumption.
> 

Thanks. This is what I need at this stage. I'm fine with the way going
forward.

Wei.

> Thanks
> Kevin

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