Messages in this thread | | | Subject | Re: [PATCH 00/10] x86: Add support for running as secondary Jailhouse guest | From | "H. Peter Anvin" <> | Date | Sat, 18 Nov 2017 13:15:51 -0800 |
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On 11/15/17 23:26, Jan Kiszka wrote: > This series paves the way to run Linux in so-called non-root cells > (guest partitions) of the Jailhouse hypervisor. > > Jailhouse [1] was started 4 years ago as an open-source (GPL) leight- > weight hypervisor that statically partitions SMP systems. It's unique in > that it uses one Linux instance, the root cell, as boot loader and > management console. Jailhouse targets use cases for hard real-time and > safety-critical systems that KVM cannot cater due to its inherent > complexity. > > Jaihouse can run bare-metal, free and closed-source RTOSes as secondary > guests and, with this series, also x86 Linux instances. While ARM and > ARM64 non-root Linux guests are feasible without extra patches, thanks > to the high configurability via device trees, x86 requires special > platform support, mostly to step away from non-existing resources in a > non-root Jailhouse cell. >
Could you please write a single summary about the virtualization holes in Jailhouse that you are papering over?
-hpa
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