Re: [Xen-devel] [PATCH v2 0/4] xen: arm: various improvements to boot time page table handling

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-07-18 at 17:11 +0100, Ian Campbell wrote:
> Since v2 I've made it correctly handle being loaded at exactly 2M (so
> virt == phys on boot) and made a few cleanups.
> 
> I've also tested with various offsets from the base of RAM:
>         0x00200000 (2M)
>         0x40000000 (1G)
>         0x40200000 (1G+2M)
>         0x80000000 (2G)
>         0x80400000 (2G+4M)
>         0x80401000 (2G+4M+2K)
> 
> On Midway (RAM starts at 0) and XGene (RAM starts at 256G). I think this
> covers the interesting cases at each level except the zeroeth where I
> have no hardware to test anything other than mappings in slot 0. I also
> couldn't test virt==phys on 64 bit since I've no such systems with RAM
> at 0.

I just realised that I forgot to add the check that head.S fits in 4K.
I'll do that in a patch 5/4 shortly.


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