[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Hypercall continuation and wait_event
On 09/04/2012 18:51, "Ruslan Nikolaev" <nruslan_devel@xxxxxxxxx> wrote: > Hi > > I am curious how I can properly support hypercall continuation and wait_event. > I have a dedicated VCPU in a domain which makes a special hypercall, and the > hypercall waits for certain event to arrive. I am using queues available in > Xen, so wait_event will be invoked in the hypercall once its ready to accept > events. However, my understanding that even though I have a dedicated VCPU for > this hypercall, I still may need to support hypercall continuation properly. > (Is this the case?) So, my question is how exactly the need for hypercall No it's not the case, the old hypercall_create_continuation() mechanism does not need to be used with wait_event(). -- Keir > preemption may affect wait_event() and wait() operations, and where would I > need to do hypercall_preempt_check()? > > Thank you! > Ruslan > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |