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Re: [Xen-devel] [PATCH v7 4/4] xen/x86: Allow stubdom access to irq created for msi.
- To: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Wed, 25 Sep 2019 15:26:17 +0200
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- Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Simon Gaiser <simon@xxxxxxxxxxxxxxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Brian Woods <brian.woods@xxxxxxx>
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On Wed, Sep 25, 2019 at 02:29:41PM +0200, Marek Marczykowski-Górecki wrote:
> On Wed, Sep 25, 2019 at 11:41:50AM +0200, Roger Pau Monné wrote:
> > It would still be nice to get the missing bits (interrupt enabling),
> > or else this patch is kind of pointless, since it still doesn't allow
> > stubdomains to work correctly with passed through devices.
>
> Well, that part, as discussed, doesn't need to be in Xen. For example
> the solution deployed in current Qubes stable version is based on
> pciback for this purpose.
Ack. Do you think it would make sense to submit that part to Linux
then?
It would be nice to have this feature working upstream IMO, and will
also allow Qubes to get rid of those patches.
Thanks, Roger.
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