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Re: [Xen-devel] [PATCH 2/2] xen/arm: Fix compile errors when drivers are compiled as modules.



CCing Russell since I believe this is the fix for the "BUG: ARM build
failures due to Xen" failure he reported yesterday,

On Tue, 2012-11-06 at 22:13 +0000, Konrad Rzeszutek Wilk wrote:
> We end up with:
> 
> ERROR: "HYPERVISOR_event_channel_op" [drivers/xen/xen-gntdev.ko] undefined!
> ERROR: "privcmd_call" [drivers/xen/xen-privcmd.ko] undefined!
> ERROR: "HYPERVISOR_grant_table_op" [drivers/net/xen-netback/xen-netback.ko] 
> undefined!
> 
> and this patch exports said function (which is implemented in hypercall.S).
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
>  arch/arm/xen/enlighten.c |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
> index 59bcb96..96d969d 100644
> --- a/arch/arm/xen/enlighten.c
> +++ b/arch/arm/xen/enlighten.c
> @@ -166,3 +166,8 @@ void free_xenballooned_pages(int nr_pages, struct page 
> **pages)
>       *pages = NULL;
>  }
>  EXPORT_SYMBOL_GPL(free_xenballooned_pages);
> +
> +/* In the hypervisor.S file. */
> +EXPORT_SYMBOL_GPL(HYPERVISOR_event_channel_op);
> +EXPORT_SYMBOL_GPL(HYPERVISOR_grant_table_op);
> +EXPORT_SYMBOL_GPL(privcmd_call);



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