Re: [PATCH v12 11/18] xen/pvh: Piggyback on PVHVM for event channels(v2)
From: David Vrabel
Date: Thu Jan 02 2014 - 10:43:28 EST
On 01/01/14 04:35, 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. There is
> a similar mode - PVHVM where we run in HVM mode with
> PV code enabled - and this patch explores that.
> The most notable PV interfaces are the XenBus and event channels.
> We will piggyback on how the event channel mechanism is
> used in PVHVM - that is we want the normal native IRQ mechanism
> and we will install a vector (hvm callback) for which we
> will call the event channel mechanism.
> This means that from a pvops perspective, we can use
> native_irq_ops instead of the Xen PV specific. Albeit in the
> future we could support pirq_eoi_map. But that is
> a feature request that can be shared with PVHVM.
> Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>
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