Re: [Xen-ia64-devel] [patch 07/16] Kexec: Call xen_machine_kexec_register_resources

[Alex Williamson <alex.williamson@xxxxxx>]

On Wed, 2007-09-12 at 17:28 +0900, Simon Horman wrote:
> plain text document attachment
> (ia64-kexec-efi_initialize_iomem_resources.patch)
> For kexec on xen xen_machine_kexec_register_resources() needs
> to be called at boot time.

> Index: linux-2.6.18-xen.hg/arch/ia64/kernel/efi.c
> ===================================================================
> --- linux-2.6.18-xen.hg.orig/arch/ia64/kernel/efi.c   2007-07-10 
> 10:57:17.000000000 +0900
> +++ linux-2.6.18-xen.hg/arch/ia64/kernel/efi.c        2007-07-10 
> 11:11:09.000000000 +0900
> @@ -1128,6 +1128,9 @@ efi_initialize_iomem_resources(struct re
>                          insert_resource(res, &boot_param_res);
>                       if (crashk_res.end > crashk_res.start)
>                               insert_resource(res, &crashk_res);
> +#ifdef CONFIG_XEN
> +                     xen_machine_kexec_register_resources(res);
> +#endif
>  #endif

  Won't this break transparent paravirt?  Might need a CONFIG_KEXEC too.
Is kexec supposed to do anything on non-dom0 domains?  If not, wrap it
in an 'if (is_initial_xendomain())', otherwise use is_running_on_xen().
Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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