Difference in event channel implementation for Xen PV vs HVM guests
Justin T. Gibbs
gibbs at freebsd.org
Thu Mar 21 13:03:56 UTC 2013
On Mar 21, 2013, at 6:50 AM, Roger Pau Monné <roger.pau at citrix.com> wrote:
> On 21/03/13 13:43, Roger Pau Monné wrote:
>> On 18/03/13 14:08, Justin T. Gibbs wrote:
>>> Hi Roger,
>>>
>>> I know of no reasons why XENHVM cannot use the full event channel
>>> interface. In fact, Spectra Logic implemented PV timers and a
>>> general cleanup of the HVM event channel interface. I haven't merged
>>> it back yet because I know the changes break PV and I haven't found
>>> time to clean up the PV code, merge the HVM and PV event channel
>>> systems, and move IPI/MSI delivery to event channels.
>>>
>>> I've uploaded Spectra's changes here:
>>>
>>> http://people.freebsd.org/~gibbs/xen_ev/
>>
>> Hi Justin,
>>
>> There's at least one file which seems to be missing:
>
> Ops, there at least two files missing:
>
> sys/x86/xen/hvm.c
> sys/xen/evtchn/evtchnvar.h
I've regenerated the archive with those two files added.
--
Justin
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