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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Radical proposal: ship not-fully-tidied shim as 4.10.1
On 1/8/18 11:45 AM, Ian Jackson wrote: > But this is not a usual situation. This time, we don't have the time > to wait. > > Opinions ? I'm going to follow up with a top post with my feelings and from info on various parts of the thread. We have 2 versions of PV shim, the Citrix version and the Amazon version. The proposal here is to go with the Citrix version. I'll compare the two how I see them. Citrix Version -------------- - based on PVH which means 4.10 only - supported on 4.8 and 4.9 if we backport changes to the toolstack - no solution for 4.7 and prior versions - no backports currently available - supports *most* Xen PV features - no support for PCI pass through - confirmed to not work on HVM [1] [2] Amazon Version -------------- - based on HVM - tested and deployed across Amazon's large fleet - works from Xen 3.4 and up - backported to 4.9 and 4.10 [3] - supports *most* Xen PV features - ballooning is broken but Anthony has committed to providing a v3 with this support. [4] - migration is currently untested If the primary driver for getting these patches in is for end users and consumers of Xen, a large portion of them who have not yet deployed Xen 4.10 then why are we moving forard with an approach that requires them to potentially upgrade or change a lot more of their environment. This seems down right hostile to their concerns and needs. [1] https://lists.xenproject.org/archives/html/xen-devel/2018-01/msg00711.html [2] https://lists.xenproject.org/archives/html/xen-devel/2018-01/msg00778.html [3] https://lists.xenproject.org/archives/html/xen-devel/2018-01/msg00751.html [4] https://lists.xenproject.org/archives/html/xen-devel/2018-01/msg00736.html -- Doug Goldstein Attachment:
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