Re: [Xen-devel] [Embedded-pv-devel] [PATCH RFC 00/18] System adjustment to customer needs.

[Julien Grall <julien.grall@xxxxxxx>]

Hello Andrii,

On 20/05/16 18:09, Andrii Anisov wrote:
> > If I understand correctly, all the initiators but the GPU will be used by
> > DOM0 which is already direct mapped. The only issue here is allocating
> > memory enough memory below 4GB.
> It's not about memory allocation for domain. It is rather about SDRAM
> mapping on the bus. J6 has first 2GB for iomems, starting from
> 0x80000000 2GB of SDRAM mapping plus more SDRAM mapped over 4GB line.
> Changing rambase_pfn is painful for J6 release kernel so we just make
> it configurable by
>      - [PATCH RFC 04/18] libxl: add ability to set rambase_pfn via cfg file.
>      - [PATCH RFC 13/18] xen: introduce and use 'dom0_rambase_pfn'
> setting for kernel Dom0
I am not sure to understand why you need to change the rambase_pfn. Is 
it because the kernel is using hardcoded address rather than using the 
device tree?
Regards,

--
Julien Grall

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