Re: [Xen-devel] [PATCH 02/13] xen/events: remove unnecessary init_evtchn_cpu_bindings()

[David Vrabel <dvrabel@xxxxxxxxxx>]

On 24/09/2013 15:40, Konrad Rzeszutek Wilk wrote:
> On Fri, Sep 13, 2013 at 05:59:50PM +0100, David Vrabel wrote:
>> From: David Vrabel <david.vrabel@xxxxxxxxxx>
>>
>> Event channels are always explicitly bound to a specific VCPU before
>> they are first enabled.  There is no need to initialize all possible
>> events as bound to VCPU 0 at start of day or after a resume.
> 
> How long has this presumption about explicit bounding been in the
> hypervisor?

This is about the Linux-side binding -- i.e., the adjustment of the
per-cpu masks.  There's always an explicit call to update this masks
after an event channel is bound.

David

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