[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 3/7] RFC arm/domain: Reject invalid combinations of domain creation flags
On 13/03/18 14:42, Julien Grall wrote: > Hi, > > On 12/03/18 16:32, Wei Liu wrote: >> On Sun, Mar 11, 2018 at 07:59:16PM +0000, Julien Grall wrote: >>> Hi Andrew, >>> >>> On 03/09/2018 01:18 PM, Andrew Cooper wrote: >>>> ARM guests are HVM and have hardware assisted paging. There are no >>>> PV guests >>>> or shadow paging, and all other creation flags are x86 specific. >>>> >>>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> >>>> --- >>>> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx> >>>> CC: Julien Grall <julien.grall@xxxxxxx> >>>> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> >>>> CC: Wei Liu <wei.liu2@xxxxxxxxxx> >>>> >>>> RFC. This is untested, but I noticed it when putting together the >>>> preceeding >>>> patch. There is a moderate chance that this will cause things to >>>> explode >>>> because of how libxl handles ARM guest construction, but something >>>> along these >>>> lines is the right thing to do. >>> >>> Tools and hypervisor are considering ARM guests as PV. So this patch is >>> going to break boot. There are an action (XEN-102) to move ARM >>> guests to >>> behave more like PVH from the tools POV. I am not sure when I will >>> have time >>> to look at it thought. >>> >>> For the time being, I am wondering if we could override the flags >>> for Arm in >>> the toolstack? >>> >> >> Is that necessary? I don't think the rest of this series will break ARM >> at first glance. > > AFAICT, the rest of the series will not break ARM. So I think it would > be fine to just drop this patch for the time being. I'll drop the patch for now. This was just meant to get the problem on peoples radar. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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