Re: [Xen-devel] [PATCH ARM v6 00/14] mini-os: initial ARM support

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-07-16 at 22:29 +0100, Julien Grall wrote:

> > There are two assumptions the code makes that may need changing in the 
> > future, but
> > which hopefully don't need to hold up this initial support:
> >
> > - The assumption that the kernel will be loaded at start of RAM + 0x8000.
> >
> > - The assumption that Xen will mark the GIC address range as device memory.
> >    This should probably be fixed when the C code gains the ability to 
> > control
> >    the translation tables, map 4K pages, etc.
> 
> I'm fine with the assumptions for an initial support. Did you write-down 
> somewhere those restrictions? So if an issue happen in the future, we 
> will be able to find quickly the issue.

Yeah. we can live with them for now, I think. It should be documented
though.

What sort of time line are you foreseeing for fixing them, in terms of
before or after 4.5?

We should probably consider sticking a "tech preview" or similar label
on mini-os/ARM in 4.5 if these issues remain (the load address one in
particular).

Ian.


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