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Allow sysctl kern.vm_guest to return bhyve when running under bhyve.
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Authored by araujo on Jun 8 2017, 3:38 AM.
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Details

Summary

Without this patch the kern.vm_guest always returns generic when
a vm is running under bhyve, after the patch it return bhyve.

Test Plan

[root@freenas] ~# sysctl kern.vm_guest
kern.vm_guest: generic

[root@freenas] ~# sysctl kern.vm_guest
kern.vm_guest: bhyve

Submitted by: Sean Fagan <sef@ixsystems.com>

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rS FreeBSD src repository - subversion
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