https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203994
Bug ID: 203994
Summary: bhyve kernel module may need to relax some checks when
running nested under KVM
Product: Base System
Version: 11.0-CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: gre...@freebsd.org
It has been reported that bhyve doesn't run nested under KVM
http://docs.FreeBSD.org/cgi/mid.cgi?78cd6c472dfa583c81442d766e620bf7
The thread showed that the issues were related to vmm.ko checking
for particular features that aren't implemented in KVM - the INS/OUTS vmexit
capability, and also VPPID support in EPT.
These features (and perhaps others that haven't been hit) are not strictly
necessary to run bhyve. It may be worth relaxing the checks and implementing
workarounds for when the features aren't available, so that bhyve can run
nested in this mode.
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