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xen-ia64-devel
Re: [Xen-ia64-devel] [patch] calculate dom0 metaphysical load address co
On Thu, May 24, 2007 at 11:42:56AM +0900, Isaku Yamahata wrote:
> elilo tries the physical address given by its elf header at first,
> then tries to relocate the image only when administrater allows elilo
> to relocate explicitly with warning message.
I only took look at elilo code so that I don't know how distros
handle relocations.
I don't think relocation harms current dom0 builder as long as
the loading address is properly chosen.
> + /*
> + * We cannot rely on the load address in the ELF headers to
> + * determine the meta physical address the image is loaded
> + * at since meta physical memory needs to match physical
> + * memory of the system for NUMA awareness. Patch the address
> + * to match the real one, based on xen_pstart
> + */
I don't understand this comment.
I think it's quite feasible to support NUMA with current memory model.
The pseudo physical address model is independ of NUMA support.
Presumably you have many patches locally behind this patch.
thanks.
--
yamahata
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