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Re: [PATCH 1/2] docs/designs/launch: hyperlaunch design document
- To: Christopher Clark <christopher.w.clark@xxxxxxxxx>
- From: George Dunlap <George.Dunlap@xxxxxxxxxx>
- Date: Wed, 24 Mar 2021 13:15:48 +0000
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- Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>, Julien Grall <jgrall@xxxxxxxxxx>, "Julien Grall" <Julien.grall.oss@xxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Rich Persaud <persaur@xxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, "luca.fancellu@xxxxxxx" <luca.fancellu@xxxxxxx>, Paul Durrant <paul@xxxxxxx>, Adam Schwalm <adam.schwalm@xxxxxxxxxx>
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- Thread-topic: [PATCH 1/2] docs/designs/launch: hyperlaunch design document
> On Mar 24, 2021, at 12:53 PM, Christopher Clark
> <christopher.w.clark@xxxxxxxxx> wrote:
>
> Do you know if there is a need to perform work to support the
> assignment of PCI devices at the point of domain creation (ie. in
> domain_create), rather than handling it in a later step of domain
> configuration, prior to the domain being started?
AIUI, libxl actually does the latter: That is, PCI devices are added to the
domain after the domain and qemu have been set up, but before they have been
unpaused. One advantage of this is that it’s the same codepath for adding PCI
devices at domain creation as for hotplug.
-George
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