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SubjectRe: [PATCH 03/12] evtchn delivery on HVM
On 05/18/2010 03:22 AM, Stefano Stabellini wrote:
> From: Sheng Yang <sheng@linux.intel.com>
>
> Set the callback to receive evtchns from Xen, using the
> callback vector delivery mechanism.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Signed-off-by: Sheng Yang <sheng@linux.intel.com>
> ---
> arch/x86/xen/enlighten.c | 35 +++++++++++++++++++++++++++++++++++
> drivers/xen/events.c | 31 ++++++++++++++++++++++++-------
> include/xen/events.h | 3 +++
> include/xen/hvm.h | 9 +++++++++
> include/xen/interface/features.h | 3 +++
> 5 files changed, 74 insertions(+), 7 deletions(-)
>
> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> index 87a3b10..502c4f8 100644
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
> @@ -37,8 +37,11 @@
> #include <xen/interface/vcpu.h>
> #include <xen/interface/memory.h>
> #include <xen/interface/hvm/hvm_op.h>
> +#include <xen/interface/hvm/params.h>
> #include <xen/features.h>
> #include <xen/page.h>
> +#include <xen/hvm.h>
> +#include <xen/events.h>
> #include <xen/hvc-console.h>
>
> #include <asm/paravirt.h>
> @@ -79,6 +82,8 @@ struct shared_info xen_dummy_shared_info;
>
> void *xen_initial_gdt;
>
> +int xen_have_vector_callback;
>

BTW, this can be a __read_mostly.

J


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