[Xen-devel] Re: [Xen-changelog] Convert x86/64 Linux to use the new memory map hypercall.

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Fri, 2006-05-26 at 02:17 -0700, Chris Wright wrote:
> This breaks the native build.  I fixed it with the ugly hack below in the
> tip.xen[1] tree when merging the changes with 2.6.17-rc5, but will need a
> cleaner solution.

Ooops. Sorry.

I'll move linux-2.6-xen-sparse/include/asm-x86_64/e820.h to
linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/e820.h then the
native build will pickup the unmodified e820.h.

>   Also, the upstream changes make the i386 e820 changes
> less useful from the point of view of minimizing diffs from upstream.
> For dom0 why not use the machine map to start with?  I don't see the
> extra value of the two stage map.

The machine map contains the actual physical memory layout, which has no
relationship with the para-virtual layout, even in dom0.

Ian.



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