Re: [Xen-devel] [PATCH v13 18/19] xen/pvh: Piggyback on PVHVM XenBus.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 3 Jan 2014, Konrad Rzeszutek Wilk wrote:
> From: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
> 
> PVH is a PV guest with a twist - there are certain things
> that work in it like HVM and some like PV. For the XenBus
> mechanism we want to use the PVHVM mechanism.
> 
> Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

>  drivers/xen/xenbus/xenbus_client.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/xen/xenbus/xenbus_client.c 
> b/drivers/xen/xenbus/xenbus_client.c
> index ec097d6..01d59e6 100644
> --- a/drivers/xen/xenbus/xenbus_client.c
> +++ b/drivers/xen/xenbus/xenbus_client.c
> @@ -45,6 +45,7 @@
>  #include <xen/grant_table.h>
>  #include <xen/xenbus.h>
>  #include <xen/xen.h>
> +#include <xen/features.h>
>  
>  #include "xenbus_probe.h"
>  
> @@ -743,7 +744,7 @@ static const struct xenbus_ring_ops ring_ops_hvm = {
>  
>  void __init xenbus_ring_ops_init(void)
>  {
> -     if (xen_pv_domain())
> +     if (!xen_feature(XENFEAT_auto_translated_physmap))
>               ring_ops = &ring_ops_pv;
>       else
>               ring_ops = &ring_ops_hvm;
> -- 
> 1.8.3.1
> 

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