On 16/08/18 19:34, Stefano Stabellini wrote: > On Thu, 16 Aug 2018, Juergen Gross wrote: >> In the Xen x86 community call we have been discussing whether anyone >> really is depending on 32-bit PV guests. We'd like to evaluate whether >> anyone would see problems with: >> >> - deprecating 32-bit PV guest support in Xen, meaning that we'd >> eventually switch to support 32-bit PV guests only via PV-shim from >> Xen 4.12 or 4.13 >> >> - dropping 32-bit PV support from upstream Linux kernel, resulting in >> current 32-bit PV guests no longer being able to upgrade to the newest >> kernel version any longer >> >> And related to that: >> >> - is there any Linux distribution still shipping 32-bit PV-capable >> systems? >> >> - what about BSD? Is 32-bit PV support important there? > > Hi Juergen, > > Although I can see that deprecating 32-bit PV guest support is > desirable, and it might not cause any problems to Linux and > BSDs, we need to be careful about unikernels. > > There are probably unikernels out there that only support PV 32bit > still. And why not? If you are designing a unikernel today, it would > still make sense to use PV 32bit or PVH.
PVH will still work, of course. 32- and 64-bit. Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
