[Xen-devel] Re: Xen-changelog Digest, Vol 38, Issue 55

[Ben Guthro <bguthro@xxxxxxxxxxxxxxx>]

I pulled in the latest changes after seeing the Changelog Digests go by 
- but seem to be having problems
compiling against the latest 2.6.18-xen kernel changeset (523:f128849f9e78)
http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/f128849f9e78

xen-changelog-request@xxxxxxxxxxxxxxxxxxx wrote:
>    6. [linux-2.6.18-xen] linux/x86: set up machine_e820 in
>       copy_e820_map() for it to be usable (Xen patchbot-linux-2.6.18-xen)
>
> ----------------------------------------------------------------------
>   
This is the chunk of the patch that is giving me problems: (errors below)
> +
> +#ifdef CONFIG_XEN
> +       if (is_initial_xendomain()) {
> +               struct xen_memory_map memmap;
> +
> +               memmap.nr_entries = E820MAX;
> +               set_xen_guest_handle(memmap.buffer, machine_e820.map);
> +
> +               if (HYPERVISOR_memory_op(XENMEM_machine_memory_map, &memmap))
> +                       BUG();
> +               machine_e820.nr_map = memmap.nr_entries;
> +       } else
> +               machine_e820 = e820;
> +#endif
> +
>         return 0;
>  }
>   
CC arch/x86_64/kernel/e820.o
/home/bguthro/dev/unstable/linux-2.6.18-xen.hg/arch/x86_64/kernel/e820-xen.c: 
In function ‘copy_e820_map’:
/home/bguthro/dev/unstable/linux-2.6.18-xen.hg/arch/x86_64/kernel/e820-xen.c:613: 
error: ‘machine_e820’ undeclared (first use in this function)
/home/bguthro/dev/unstable/linux-2.6.18-xen.hg/arch/x86_64/kernel/e820-xen.c:613: 
error: (Each undeclared identifier is reported only once
/home/bguthro/dev/unstable/linux-2.6.18-xen.hg/arch/x86_64/kernel/e820-xen.c:613: 
error: for each function it appears in.)

Is this changeset complete - or did an extern declaration get left out 
somehow?
Ben Guthro

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